travelling at 60 mph

Speed Distance Time Calculator

Please enter the speed and distance values to calculate the travel time in hours, minutes and seconds.

About Speed Distance Time Calculator

This online calculator tool can be a great help for calculating time basing on such physical concepts as speed and distance. Therefore, in order to calculate the time, both distance and speed parameters must be entered. For the speed , you need to enter its value and select speed unit by using the scroll down menu in the calculator. For distance , you should enter its value and also select the proper length measurement unit from the scroll down menu. You'll receive the result in standard time format (HH:MM:SS).

Time Speed Distance Formula

Distance is equal to speed × time. Time is equal Distance/Speed.

Calculate Time from Distance and Speed Examples

Recent comments.

Going 65mph for 30 seconds how far would you get? None of these formulas work without distance. How would I find the distance from time and speed?

if i travel 0.01 inches per second and I need to travel 999999999 kilometers, it takes 556722071 Days and 20:24:34 WHAT

4. How long does it take to do 100m at 3kph ? No I thought you would just divide 100 ÷ 3 = which 33.33333 so 33 seconds or so I thought. But apparently it 2 mins.

This was the best tool ive ever used that was on point from speed to distance and time Calculator

This was somewhat unhelpful as I know the time and distance, but not the speed. Would be helpful if this calculator also could solve the other two as well.

If a total distance of 2 miles is driven, with the first mile being driven at a speed of 15mph, and the second mile driven at a speed of 45 mph: What is the average speed of the full 2 mile trip?

hi sorry im newly introduced to this and i dont understand how to use it but in need to find the distance if i was travelling in the average speed of 15km/hr in 4 hours how far would i travel

D= 697 km T= 8 hours and 12 minutes S= ?

if a train is going 130 miles in 50 minutes, how fast is it going in miles per hour ??

whats the speed if you travel 2000 miles in 20hours?

How long would it take me to drive to Mars at 100 miles per hour and how much gas would I use in a 2000 Ford Mustang000000/ Also, how much CO2 would I release into the air?

great tool helped me alot

A car can go from rest to 45 km/hr in 5 seconds. What is its acceleration?

Guys how much time will a cyclist take to cover 132 METRES With a speed of 8 km/ph

@Mike Depends on how fast that actually is. For every 10 mph above 60, but below 120, you save 5 seconds a mile. But between the 30-60 area, every ten saves 10 seconds a mile (if I am remembering correctly), and every 10 between 15-30 is 20 seconds. Realistically, it isn't likely isn't worth it, unless it is a relatively straight drive with no stops, in which case you will likely go up a gear for the drive and thus improve gas efficiency for the trip. Only really saves time if it is over long trips 300+ miles (in which case, assuming you were on the interstate) that 5 seconds a mile would save you 25 minutes from the drive, making it go from 4h35m to 4h10m. For me, I have family across the U.S., so family visits are usually 900-1400 miles. Even only driving 5 above usually saves me 90-150 minutes or so (since I often have stretches where I drive on US highways which have 55 mph speed limits)

I would like to know if driving fast is worth it for short trips. If I drive 10 MPH over the speed limit for 10 miles, how much time do i save ? Is there an equation for that ?

it helps me in lot of stuff

awesome, helped me notice how long my taiga (electric seedoo) is going to last.

Very good! This helped me a lot.

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Speed Distance Time Calculator

Initially, this amazing calculator was developed especially for athletes, cyclists or joggers. However, all people who are required due to their activities to calculate an unknown variable with the help of the other two variables, will find use in it. You can use it in two ways. First, enter two particular variables in order to find the third one. Second, you may find the variable by entering the details.

Time can be entered as hh:mm:ss , mm:ss or ss (hh=hours mm=minutes ss=seconds).

Example Time Formats:

• 1:20:45 = 1 hour, 20 minutes and 45 seconds
• 18:25 = 18 minutes and 25 seconds
• 198 = 198 seconds = 3 minutes and 18 seconds

Speed: miles yards feet inches kilometers meters centimeters per hour minute second

Distance: miles yards feet inches kilometers meters centimeters millimeters

You may set the number of decimal places in the online calculator. By default there are only two decimal places.

0 1 2 3 4 5 6 7 8 9 Decimal Places

Speed    miles/hr miles/min miles/sec yards/hr yards/min yards/sec feet/hr feet/min feet/sec inch/hr inch/min inch/sec km/hr km/min km/sec meter/hr meter/min meter/sec cm/hr cm/min cm/sec mm/hr mm/min mm/sec

Distance    miles yards feet inches kilometers meters centimeters millimeters

Time (hh:mm:ss)

This calculator includes the following algorithms:

Speed = Distance divided by Time

Distance = Speed multiplied by Time

Time = Distance divided by Speed

You may also be interested in our Running Pace Calculator or Steps to Miles Calculator

• Currently 4.10/5

Rating: 4.1 /5 (243 votes)

Keep Your (Braking) Distance: More Than Just Slowing Down

Although we at Edmunds.com spend a lot of time writing about rpm, torque, 0-to-60-mph acceleration, etc., nothing is more important than your car's ability to stop itself. Knowing something about braking distances (how much ground a vehicle covers before it can fully stop) can make for safer and more enjoyable driving.

Let's start with the basics. A vehicle traveling at 60 mph covers 88 feet per second. But stopping that vehicle takes over 4.5 seconds and covers a distance of 271 feet. Why? Because there's more involved in braking than the actual time your brakes are applied to the wheels (called "effective braking"). In particular, "perception time" and "reaction time" add considerable distance to stopping your car.

Perception time is the three-quarters of a second it takes for you to realize that you need to brake. Reaction time is the three-quarters of a second it takes to move your foot to the brake pedal. When you combine perception and reaction time, a full 132 feet will pass before your car even begins to slow down from 60 mph. So from the time you perceive a braking situation until the time your car comes to a complete stop, a total of 4.6 seconds elapses. During that time your car travels — it bears repeating — a total of more than 270 feet. That's almost the length of a football field. Of course, the faster you go, the more time and distance it takes to stop.

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There are other factors as well, such as road conditions. When weather is bad, your braking distance grows exponentially. On wet pavement, total braking time increases from 4.6 seconds to 6.1 seconds, and total braking distance shoots up from 271 feet to 333 feet. And it gets worse. In snowy conditions, even with snow tires, total stopping time jumps to 10.6 seconds and 533 feet. As a basis of comparison, this is roughly the same distance — actually, a little further — as the same vehicle coming to a complete stop from 90 mph on dry pavement, an effective doubling of the braking distance. Let us repeat that: a 100-percent increase .

So what do we do with all these numbers? There's nothing we can do about the weather or about road surfaces, but we can do something about the way we drive. Arming ourselves with knowledge can prevent the loss of property and human life.

First, if you drive a truck or SUV, be especially cognizant of your speed in bad weather. Sitting higher off the road than everyone else only means you'll have a better view of the passing countryside as you slam sideways into a snowbank.

Second, remember this law: That which makes you go won't make you stop. If you drive a four-wheeler, you're not immune to the laws of physics, in fact you're a bit more susceptible (if for no other reason than your overconfidence). Whether you drive an Escort or an Excursion, it doesn't matter. In fact, the heavier weight of a truck or SUV means it will take much longer to come to a stop, given its greater momentum. Repeat: four-wheel drive does not help you stop . We're tired of seeing you folks spun around on the side of the road facing the wrong way. Slow down before you hurt somebody.

Third, remember to keep a "space cushion" around your vehicle at all times — ahead, to the sides and behind your car. This can be difficult to accomplish, especially in heavy traffic where everyone is darting in and out. How close is too close when it comes to following the car ahead of you? There's a handy "3-second rule." When the vehicle ahead of you passes a certain point, such as a sign, count "one-thousand-one, one-thousand-two, one-thousand-three." This takes about 3 seconds. If you pass that certain point before you finish counting, you are following too closely. We suggest a 4-second (or more) cushion in inclement weather.

Fourth, the tires you choose and their condition are another important, yet often overlooked, factor. See our articles, " Tire Safety: Don't Ignore the Rubber on the Road " and " Tires: Traffic Safety Tips " for all the details on tire selection and maintenance.

There are a few other factors that affect braking distances. As stated before, the heavier your vehicle is, the longer it will take to stop. Bear that in mind when you shop for a car or when you load it up. Also, the looser the road surface (gravel, dirt, mud), the harder it is to stop.

Finally, we strongly recommend that buyers choose a car equipped with antilock brakes (ABS), which, with few exceptions, help decrease braking distances on any road surface and in any weather. Whenever a driver slams on the brakes (and it's happened to everyone), the tires have the potential to lock up, sending you skidding. In a skid, tires have little traction, you lose steering control and braking distance is greatly increased. Antilock braking systems are designed to prevent tire lockup by automatically and rapidly "pumping" the brakes, potentially decreasing braking distances in extreme situations.

Of course, in order to get the most out of ABS in emergency braking situations, you have to know how to use it. And really, it couldn't be easier; you just stomp on the pedal. Some drivers are inclined to ease up on the brake pedal when they feel the vibration (and hear the noise) of the ABS doing its work, but it's important to maintain constant, controlled pressure. Aware that people often don't supply enough braking pressure, many manufacturers now supplement their antilock systems with "brake assist," which senses panic braking situations and automatically provides full power braking to shorten the stopping distance.

Many new cars come with antilock brakes as standard equipment, but you must often purchase them as an option on low- to moderately priced cars. And on some models, you may have to step up to a higher trim level to get ABS. Regardless, antilock brakes are a worthwhile feature and we highly recommend that you spend the extra money to get them.

What about disc brakes? Do they make a difference? Today we usually find four-wheel-disc brakes as standard equipment on most midpriced coupes, sedans, wagons and SUVs. Many economy vehicles and pickup trucks, however, continue to utilize a front-disc/rear-drum brake setup, which in most cases provides adequate performance for the general consumer. Nevertheless, vehicles with four-wheel discs usually deliver shorter stopping distances and are less susceptible to fade (loss of braking performance due to heat).

Whether you're reacting to sudden slowdowns on the highway or to a child darting into the street, nothing is more important than safe, well-maintained brakes (and the tires that work with them). Have them inspected according to the maintenance schedule in the owner's manual, and don't wait to have them checked out if you notice a pedal vibration or excessive noise when braking. That squeal you hear is probably telling you something — something that would be cheaper to fix now rather than later.

Additionally, being aware of all the variables — your proximity to other vehicles, weather conditions, road surface — will help you judge proper speed and give you time to react to whatever comes your way.

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Safe Driving Distance Fact Sheet: What is a Safe Following Distance?

Do you tailgate (as in, follow too closely)? You may have driven too close to the vehicle in front of you at some point in time, especially if you drive an SUV or sports car. Studies have shown  that family and economy cars tailgate less than sports cars and SUVs by a ratio of two to one.

In fact, the same study compared the amount of tailgating in various U.S. states and found that these five states exhibited the worst tailgating, finding it difficult to maintain a safe following distance:

• Colorado (25%)
• Georgia (20%)
• Pennsylvania (20%)
• Michigan (19%)
• Texas (19%)

The sad truth is that tailgating is dangerous and causes thousands of vehicle accidents every year, as well as numerous fatalities. By learning the safe following distances for various vehicles like snow plows, semi-trucks, emergency vehicles and the average car, you can better avoid tailgating and a potentially life-altering accident.

Take a look at the graphic below to learn proper following distances for vehicles traveling at 55 mph so you can drive safe. Share to spread the word!

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The rule of thumb is to maintain at least a three-second following distance, giving you time to react and avoid potentially dangerous situations. You can calculate this by using a fixed object, such as a pole or an overpass to determine how far in front of you the car is. When you’re driving in poor weather, it’s better to give yourself more space so you don’t wind up slamming on the brakes on a slick road. Here are some examples of safe driving distances:

• Farm Tractors: 50 feet (about four car lengths) – Farm equipment typically has max speeds of 25 mph.
• Snow Plow: 70 feet (about five car lengths) – Snowplows typically travel slower than 55 mph.
• Car: 243 feet (about 16 car lengths) – This gives you the necessary space to stop safely.
• Semi-Truck: 300 feet (about 20 car lengths) – Semis carry heavy loads, so more than slamming on the brakes, something can fall off or out of the truck, and you need time to react and avoid the debris.
• Emergency Vehicle – 500 feet (about 33 car lengths) – When lights are flashing, emergency vehicles are exceeding the speed limit, and you want to make sure you’re still obeying the law.

Rear end collisions are the most common form of accidents, where one driver (or both) is not paying attention. Most occur when drivers do not have enough time to react safety to slowed or stopped traffic. Follow the three-second rule, and think about the car in front of you. You should use more space for a semi-truck than a car, and more space for a car than a plow. Avoid distractions on the road, and increase your following distance when need be. It’s always better to be safe when behind the wheel.

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Stopping Distance Calculator

Created By : Naaz Fatima

Reviewed By : Phani Ponnapalli

Last Updated : Apr 10, 2023

Stopping Distance Calculator is a free tool that displays the stopping distance of a car. This tool makes it easy for you to calculate the stopping distance by taking the car speed, perception-reaction time, grade, road conditions and tap the calculate button.

Stopping Distance Calculator: Do you want to know the stopping distance of a car? Then take the help of our online tool. Read on to know what is the braking and stopping distance, the AASHTO formula, perception-reaction time and other useful details. Check out the simple step by step process to calculate the vehicle stopping distance and solved example questions.

Detailed Steps to Find the Stopping Distance

The following are the steps to get the stopping distance of a vehicle easily. Go through these guidelines and obtain the result in a blink of an eye.

• Make a note of the coefficient of friction, car speed, perception-reaction time.
• Multiply the speed of the car with 0.278 and perception-reaction time
• Add coefficient of friction, grade of the road and multiply it with 254
• Divide the square of car speed by the product.
• Add the results from step 2 and step 4 to get the stopping distance.

Stopping and Braking Distance | Perception-reaction Time

If you are driving your car on a street road. Suddenly, you notice an old person crossing the road ahead of you. The time from you see the event, before reacting to it is called the perception time. You might think that you hit the brake immediately, but there is a small delay between the moment you notice the danger and start to decelerate. This delay is also called the reaction time.

After hitting the brake, the car will move slowly towards the old person until it comes to stop. The distance travelled from the moment you press the brake is the braking distance. The total distance travelled during the perception-reaction time added with the braking distance is the stopping distance.

AASHTO Formula

Calculate stopping distance of car travels using the AASHTO (the American Association of State Highway and Transportation Officials). This AASHTO formula is used in road design for establishing the minimum stopping sight distance. The stopping distance depends on the road conditions such as dry or wet, speed of the car, perception-reaction time and others. AASHTO Formula is along the lines:

s = (0.278 x t x v) + v┬▓/(254 x (f + G))

f is the coefficient of friction between the tires and the road. It is equal to 0.7 for a dry road and ranges from 0.3 to 0.4 on a wet road.

s is the stopping distance

t is the perception-reaction time

v is the speed of the car

G is the grade (slope) of the road. It is positive for an uphill grade and negative for a road-going downhill.

Question: A car is moving with a velocity of 50 m/s on a dry road and suddenly applies brakes. If the perception-reaction time is 10 seconds, grade is 0.2% and find the stopping distance.

Given that,

velocity of car v = 50 m/s

perception-reaction time t = 10 seconds

Grade G = 0.2%

coefficient of friction f = 0.7

Stopping distance s = (0.278 x t x v) + v┬▓/(254 x (f + G))

s = (0.278 x 10 x 50) + 50┬▓/(254 x (0.7 + 0.2))

s = 139 + 2500/228.6

Therefore, the car stopping distance is 149.93 m.

Avail the handy calculators for any kind of physics concepts all under one roof Physicscalc.Com and clear all your concerns during your homework or assignments.

Frequently Asked Questions on Stopping Distance Calculator

1. How to calculate the stopping distance?

The stopping distance of a car can be calculated using the AASHTO formula. Get the perception-reaction time, grade, and speed details. Substitute the values in the formula and solve to get the car stopping distance.

2. What is the stopping distance at 30 mph?

Speed = 30 miles per hour = 13.41 meters per second

Stopping distance s = (0.278 x t x v) + v┬▓/(254 * (f + G))

s = (0.278 x 0 x 13.41) + 13.41┬▓/(254 * (0.3 + 0))

= 179.82/76.2 = 2.3

The stopping distance at 30 miles per hour is 23 meters

3. What is the AASHTO formula?

The AASHTO formula to find the stopping distance is s = (0.278 x t x v) + v┬▓/(254 x (f + G)). Here, s is the stopping distance, v is the speed of the car, t is the perception-reaction time, G is the grade of the road, f is the coefficient of friction between the tires and the road.

4. Define braking distance?

Braking distance is the distance a vehicle will travel from the point when its brakes are completely applied to when it comes to a complete stop position. It affects the actual speed of the vehicle and coefficient friction between the tires and the road surface.

US Standard Speed (Velocity)

These are the most common measurements:

• Feet per Second (fps)
• Miles per Hour (mph)

Speed in feet per second (fps)

If something is traveling at 1 fps it moves 1 foot every second .

It is a very slow walking pace.

An hour and a half at 1 fps moves you about 1 mile.

Speed in miles per hour (mph)

If something is traveling at 1 mph it moves 1 mile every hour .

It is a slow walking pace.

One hour walking at 1 mph moves you 1 mile.

Miles per hour is often used for car speeds.

Example: Highway speed is around 60 mph

One hour at 60 mph will move you 60 miles

One minute at 60 mph will move you 1 mile

You can convert from fps to mph:

• 1 mph = 1.4666... fps
• 1 fps = 0.68181818... mph

Example: What is 60 mph in fps?

A mile has 5,280 feet, and an hour has 3,600 seconds, so 60 miles per hour is:

• 60 x 5,280 / 3,600 = 88 fps

60 mph = 88 fps

Velocity is speed with a direction .

So if something is moving at 5 mph that is a speed .

But if you say it is moving at 5 mph westwards that is a velocity .

If something moves backwards and forwards very fast it has a high speed, but a low (or zero) velocity.

More Examples

3 mph (miles per hour) is about:

• typical walking speed of a human or dog

35 mph is about:

• the speed limit in the city
• going very fast on a bicycle
• the speed of a racehorse on a short track
• full running speed of a Bengal Tiger

60 mph is about:

• how fast you can legally go on a highway
• the maximum running speed of a cheetah
• the speed needed to drive one mile in a minute
• half the freefall speed of a skydiver

1 fps (foot per second) is:

• exactly 0.3048 meters per second
• approximately 0.6818 miles per hour
• exactly 1.09728 km per hour

Stopping Distance Calculator

Braking distance and stopping distance, stopping distance formula, perception-reaction times.

Our stopping distance calculator will tell you how long a moving car will travel before it comes to a stop .

Finding the stopping distance is a key factor in car safety research 🚗, and in this short article, we will explain everything you need to know about it, including:

• Braking distance and stopping distance difference;
• Braking distance formula;
• The stopping distance formula; and
• How to calculate stopping distance.

We should consider two similar definitions when calculating the distance before a car stops: the braking distance and the stopping distance .

The braking distance is the distance a moving car travels from when the driver presses the brakes to when the vehicle stops moving .

Similarly, we define the stopping distance as the distance between the moment the driver notices an obstacle (such as an animal crossing the road) and reacts by pressing the brakes and the instant the car stops moving.

Here, the key difference is the driver's perception-reaction time, which we account for in the stopping distance formula.

💡 You can also obtain braking times using the advanced-mode of this stopping distance calculator by inputting the deceleration of the brakes.

If you want to know how to calculate the stopping distance, AASHTO (the American Association of State Highway and Transportation Officials) gives us the stopping distance formula which is used in road design to protect the drivers:

• s s s is the stopping distance in meters.
• t t t is the perception time in seconds. You can read more about perception-reaction times values in the following section.
• v v v is the car's speed in km/h.
• G G G is the grade of the slope , which is positive for uphill and negative for downhill (leave as 0 for flat roads).
• f f f is the coefficient of friction , which is assumed to be 0.7 on dry roads and between 0.3 and 0.4 on wet roads .

🙋 Too complicated? Just fill in the parameters in our stopping distance calculator, and it will automatically do the work for you!

If we don't account for perception-reaction times or road inclination , we get the braking distance formula , which uses the same parameters:

Our stopping distance calculator allows you to input any perception-reaction times. However, it would be best if you had some values as guidelines:

• 1 second - A keen and alert driver.
• 1.5 seconds - An average driver.
• 2 seconds - A driver who is tired or an elderly person.
• 2.5 seconds - Worst case scenario. Even elderly or intoxicated drivers will probably manage to react within 2.5 seconds.

Inclined plane

Schwarzschild radius.

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Acceleration Calculator

Easily calculate the acceleration, starting and final speed, or time to reach a given speed with this acceleration calculator. Supported metrics are meters per second, miles per hour, miles per second, km per hour, km per second, yards/feet per second and knots. Output is in meters per second squared and standard gravity ( g, g-units ).

Related calculators

• About the acceleration calculator

Standard Gravity

• Acceleration formula
• Equations for initial velocity, final velocity, and time
• Calculation examples

    About the acceleration calculator

This acceleration calculator is useful for any kind of vehicle or object: car, bus, train, bike, motorcycle, plane, ship, space craft, projectile, etc. due to the many different units supported. You need to know 3 of the 4: acceleration, initial speed, final speed and time (acceleration duration) to calculate the fourth.

The output is always in the input unit squared (e.g. km/h 2 ), meters per second squared (m/s 2 ) and standard gravity units ( g n , often just g ).

The calculator can be used to calculate deceleration as well, simply by entering a lower value for the final speed. It can be used to estimate the deceleration required to come to a full stop in a given number of seconds, for example, or the breaking path of a vehicle decelerating at a given rate.

g n is equal to 9.80665 m/s 2 and is the standard acceleration due to Earth's gravity according to the International Service of Weights and Measures [1][2] . The value of ɡ n is a nominal midrange value on Earth, originally based on the acceleration of a body in free fall at sea level at a geodetic latitude of 45°, the actual acceleration of free fall on Earth varies according to location.

The human body can handle a different amount of g-force depending on whether it is perpendicular to or along the spine. If perpendicular, many humans can endure 20g for about 10 seconds, 10g for a minute, and 6g for up to 10 minutes, without any ill effects. However, the human body deals much worse with vertical g-forces that are aligned with the spine. A typical person can handle 5g for a short duration without passing out, while trained pilots with suits and other equipment can withstand 9g for prolonged periods of time. Negative g-force is much harder to handle, with the limit being between -2g and -3g.

    Acceleration formula

The formula for acceleration expressed in terms of the initial velocity (speed), final velocity and the acceleration duration (time) is:

where a is the acceleration, v 0 is the starting velocity, v 1 is the final velocity, and t is the time (acceleration duration or t 1 - t 0 ). The resulting unit will depend on the units for both time and distance, so if your input was in miles and hours, the acceleration will be in miles/h 2 . If it was in meters and seconds, it would be in m/s 2 (meters per second squared). Remember to always have the time unit of the speed measure being the same as the duration measure.

    Equations for initial velocity, final velocity, and time

Variants of the formula above are used when solving for initial velocity, final velocity or time. The equation is to be rearranged in the following way depending on what is to be found:

• to find the initial velocity (v 0 ) : v 1 - a / t
• to find the final velocity (v 1 ) : v 0 + a / t
• to find the time (t) : (v 1 - v 0 ) / a

Initial velocity is often incorrectly referred to as initial speed , but the correct term is usually velocity since it represents the magnitude of a vector and therefore has direction. Speed, on the other hand, is a scalar value and does not indicate direction.

    Calculation examples

Example 1: If your car starts at 0 mph and accelerates to 60 miles per hour in 8 seconds, what is its average acceleration during these eight seconds? The answer is (60 mph - 0 mph) / 8s = (26.8224 m/s - 0 m/s) / 8s = 3.3528 m/s 2 (meters per second squared) average car acceleration. That would be 27,000 miles per hour squared.

Example 2: If a truck is travelling at 50 km/h and increases its velocity to 65 km per hour in 10 seconds, what is its acceleration? The answer is (65 kmph - 50 kmph) / 10s = (18.055 m/s - 13.888888 m/s) / 10s = 0.416667 m/s 2 (meters per second squared).

Example 3: If a ship is moving at 20 knots and you want to know how hard you should decelerate in order to reach a full stop in 30 seconds, you need to calculate (0 knots - 20 knots) / 30s = -33.76 ft/s / 30s = -1.1252 ft/s 2 or -0.342963 m/s 2 .

Example 4: A plane takes off at a certain speed and then accelerates for 2 minutes by 1.6 m/s 2 on average to reach cruising altitude and velocity which is 900 km/h. What is the initial speed / initial velocity of the plane? To calculate this, use the first variant of the acceleration formula and replace the known variables: 900 km/h - 1.6 m/s 2 · 2 min. After the necessary unit conversion we arrive at the solution: 250 m/s - 1.6 m/s 2 · 120 s = 250 m/s - 192 m/s = 58 m/s or ~209 km/h.

    References

1 NIST Special Publication 330 (2008) - "The International System of Units (SI)", edited by Barry N.Taylor and Ambler Thompson, p. 52

2 "The International System of Units" (SI) (2006, 8th ed.). Bureau international des poids et mesures pp. 142–143. ISBN 92-822-2213-6

Cite this calculator & page

If you'd like to cite this online calculator resource and information as provided on the page, you can use the following citation: Georgiev G.Z., "Acceleration Calculator" , [online] Available at: https://www.gigacalculator.com/calculators/acceleration-calculator.php URL [Accessed Date: 13 Apr, 2024].

     Physics calculators

Speeding driver on Ridge Road eventually pulls over: Brooklyn Police Blotter

• Updated: Apr. 11, 2024, 12:01 p.m. |
• Published: Apr. 11, 2024, 8:10 a.m.
• John Benson, special to cleveland.com

BROOKLYN, Ohio

Fleeing: Ridge Road

On March 29, police observed a speeding blue 2015 Ford Focus traveling 60 mph in a 35 mph zone on Ridge Road.

While the officer attempted to pull over the Ford, the driver took off and refused to stop.

However, the driver had a change of heart and eventually pulled over near Brookside Drive.

The Cleveland woman was arrested for fleeing/eluding an officer. She was also cited for speeding.

Shoplifting: Brookpark Road

On March 27, a Walmart loss prevention officer called police after observing a woman stealing merchandise from the Brookpark Road store.

An arriving officer located the suspect, who was attempting to steal items valued at more than $211.

The Maple Heights woman was arrested for theft.

Stolen vehicle: Tiedeman Road

On March 27, police were dispatched to Waleski Transfer regarding a car theft.

An arriving officer talked to the caller, who reported that a 2014 Ford Econoline van had been stolen from the Tiedeman Road business.

There are no suspects. Police are investigating.

Attempted vehicle theft: Westbrook Drive

On March 26, police were dispatched to a Westbrook Drive address regarding a suspicious situation.

An arriving officer learned that someone had attempted to steal a 2013 Hyundai Sonata from the parking lot.

The officer said the wannabe thief damaged a window and peeled the steering column.

The owner of the Sonata was contacted regarding the incident.

Get police blotters by email every weekday for free with our new Police Blotter newsletter. Sign up at cleveland.com/newsletters

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Convert 60 Miles per Hour to Feet per Second

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Car Crash Calculator

Table of contents

Our car crash calculator is a tool that you can use to estimate what g-force acts on you in a car crash. Everybody knows that automobile collisions are very dangerous, but what is the physics behind them? Can we predict the consequences of a car crash? The answer is yes and no. The damages to health in an accident can be severe, and they depend on many factors, e.g.:

• Car speed – the higher the speed, the more energy you have;
• Seat belt – we will show that seat belts can save your life;
• Airbag – another thing that can protect your life;
• Car type – you are more likely to survive a car crash if you're in a bigger car; and
• Obstacle – the situation is different when we hit a bush or a tree.

We can't precisely calculate whether you will survive or not, but we can make some estimations to be aware of crash consequences. What happens if you drive at a speed of 20   m p h 20\ \mathrm{mph} 20   mph and you suddenly stop? Just imagine that a 7-tonne block lies on your chest . Yes, it's almost the same. Recently, the NHTSA (National Highway Traffic Safety Administration) performed many crash tests with dummies. Based on these tests, we can make some approximations at what speed you can die in a car crash.

In this car crash calculator, we explain how to calculate the impact force in car crashes and how seat belts and airbags can protect you. You'll find out that they can drastically increase your chances of surviving. You can learn about the force of impact definition and impact force equation in the following text.

You do not need to be the driver to know that you can't stop the car immediately . The total stopping distance depends on the perception time of a driver and the braking distance. The same energy estimated with the kinetic energy calculator will be dispersed much faster on a tree than in water. Thus, hitting trees almost always results in dangerous car crashes.

Force of impact definition – impact force equation

Force of impact is the total force exerted on an object during a collision. To derive the impact force equation, you can consider the law of conservation of energy. In the beginning, a moving object possesses kinetic energy that reduces to zero after the collision (object stops). To fulfill the conservation law, the change of kinetic energy must be compensated by the work done by the impact force. We express it with the below impact force equation

• F F F – Average impact force;
• m m m – Mass of an object;
• v v v – Initial speed of an object; and
• d d d – Distance traveled during a collision.

Check the work calculator or work and power calculator to get familiar with work in physics and how it is related to energy.

What may surprise you is that extending the distance moved during the collision reduces the average impact force. It should be easier to understand if we rewrite the above impact force formula in the alternative version using the time of collision t t t instead of the distance d d d :

This is a special case of the formula for momentum, described in the impulse and momentum calculator . Now, you can see that extending the time of the collision will decrease the average impact force.

Let's consider two situations where you jump from a specific height. In the first case, you jump to the ground, and in the second, on a trampoline. Because the surface of a trampoline is more stretchy, it extends the time of the collision. You can feel your legs are subjected to a lesser average impact force.

This case is analogical to car crashes. Cars are made to collapse upon impact extending the time of the collision and lessening the impact force. That's why they can't be too durable.

How to calculate impact force? G-force in car crashes

The impact force formulas we used above describe an ideal collision between two objects. In the actual situation of a car crash, the profile of force during the accident can be more extensive – e.g., you should take into account that the car collapses and that a human is not a point mass but a complex body. However, you can still make some estimations of impact force during a car crash.

Take a look at the picture below. At first, the driver sits in the car in constant motion with speed v v v . Then, a car hits the tree and immediately stops. The driver flies forward due to the inertial force until suddenly stopped by the impact on the steering column or windshield. The stopping distance is very short because none of the colliding objects (including the body and, e.g., the windshield) are contractible enough. These are usually dense objects; you can find the density of the most common materials with the density calculator for a comparison. We can estimate the stopping distance to be approximately 4   c m 4\ \mathrm{cm} 4   cm in our case (you can change it in the "Additional variables" section of this impact force calculator).

How to calculate the impact force acting on a driver with a mass of 70   k g 70\ \mathrm{kg} 70   kg ? Let's use our car crash calculator! If the initial car speed is 30   k m / h 30\ \mathrm{km/h} 30   km/h and the collision distance is 4   c m 4\ \mathrm{cm} 4   cm , then the impact force is about 60   k N 60\ \mathrm{kN} 60   kN . It is an equivalence of 6 tons! It is just as if someone put a large stone block on your chest. On the other hand, the stopping time is only 9.6   m s 9.6\ \mathrm{ms} 9.6   ms which means that to reduce the driver's velocity from 30   k m / h 30\ \mathrm{km/h} 30   km/h to zero, the driver has to decelerate almost 89 times faster than Earth's standard gravity g .

How can seat belts and airbags protect you?

The primary task of seat belts and airbags is the same. They both extend the distance of the collision . Assume that we've got the same situation as before. The 70   k g 70\ \mathrm{kg} 70   kg driver drives a car with a speed of 30 km/h, but this time, he is firmly held in a seat belt harness. The seat belt will stretch slightly when the impact force is applied. We can say that it can expand by about 20   c m 20\ \mathrm{cm} 20   cm (you can change it in the "Additional variables" section of this impact force calculator).

Again, after using the car crash calculator, you can obtain the average impact force of about 2.5   k N 2.5\ \mathrm{kN} 2.5   kN , which is almost 25 times smaller than without the seat belt. It corresponds to a weight of 1.24   t 1.24\ \mathrm{t} 1.24   t . The stopping time lengthens to 48   m s 48\ \mathrm{ms} 48   ms , and now, the driver decelerates "only" 18 times faster than with Earth's standard gravity g.

To sum up, the seat belt is designed to stop your body from hitting hard things in the car and reduce the impact force you experience by spreading it out over time . The seat belt could occasionally contribute to severe internal injury or even death if the impact force is too big. However, nowadays, seat belts have a mechanism that breaks them at a predefined level of stress. Usually, there are still airbags placed in front of the driver in order to increase their safety.

We have made an example with the driver, but any person in the vehicle is subjected to these dangers. If you crash with a heavy truck, it doesn't matter whether you sit behind the wheel or at the back seat of the car.

Even in low-speed collisions, the impact force which stops your body is in the range of tonnes . You simply won't be able to hold on and prevent injury without fastened seat belts. Moreover, if you sit at the back of the car and you aren't constrained by a seat belt, you will fly straight ahead like a boulder of several tonnes. You will not only hurt yourself but also your friend in front of you!

At what speed can you die in a car crash?

This is one of those questions that doesn't have one unambiguous answer . The heavier the car is, the harder it is to stop it, and the impact force is smaller. On the other hand, the vehicle will immediately stop if it hits a wall of a house, but the situation will be different if it hits another car that participates in traffic. Therefore, we must take into account many different factors.

In general, high speed doesn't produce harmful injuries . What is dangerous for a human is the high acceleration or deceleration given at a specific amount of time. The National Highway Traffic Safety Administration (NHTSA) is an agency that conducts traffic safety research around the world. It describes its mission as Save lives, prevent injuries, reduce vehicle-related crashes . The NHTSA states that "the maximum chest acceleration shall not exceed 60 g for time periods longer than 3 milliseconds " (source: NHTSA ).

With our car crash calculator, you have learned that the accelerations during car crashes can be a lot higher than 60 g without fastened seat belts. So use them and save your life! NHTSA states that seat belts reduce death rates by 45% and reduce the risk of injury by 50%.

How do I calculate the forces in a car crash?

To calculate the impact force in a car crash, follow these simple steps:

• Measure the velocity at the moment of the impact, v .
• Measure the mass of the subject of the collision, m .
• The stopping distance d in the formula: F = mv²/2d ; or
• The stopping time t in: F = mv/t
• If you want to measure the g-forces, divide the result by mg , where g = 9.81 m/s² .

What is the impact force in a crash at 160 km/h?

Assuming the weight of the driver is 70 kg , we can calculate the impact forces in two situations:

• Without the seatbelt, the stopping distance would be 4 cm , and the impact force is: F = 70 kg × (44.44 m/s)²/(2 × 0.04 m) = 1728 kN
• With the seatbelt on, the stopping distance increases to 20 cm . The force becomes: F = 70 kg × (44.44 m/s)²/(2 × 0.2 m) = 346 kN

Divide F by m × g = 686.7 m/s² to find the deceleration in terms of g . It’s 2517 g without a seatbelt and 504 g with.

Why does wearing a seatbelt increase your safety?

A seatbelt extends the time your body slows down from the speed before the crash to 0. In a car crash, speed is not the only factor that can be dangerous: the stopping time and distance have an even more critical role. A seatbelt keeps you in your seat, only partially expanding, thus distributing the deceleration over a safer time. However, they are not a guarantee: drive safely, always!

How do I find the stopping time in a car crash?

We can find the stopping time from the impact force using the following formula: t = m × v/F where:

• t — The stopping time ;
• m — The weight of the victim ;
• v — The speed of the vehicle; and
• F — The impact force .

You can find the stopping distance with the simple relationship between time and space: d = t × v/2

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Your weight

Additional variables

Here, you can determine how effective the seat belts are and check the kinetic energy you have before the crash.

Crash results

Average impact force

Stopping time

Deceleration

g - standard Earth's gravity.

It feels like being pressed with a mass of

The Mustang Mach-E Is Quicker and Torquier for 2024

An extra 100 pound-feet gives the crossover a 0-60 mph time of 3.3 seconds. it can also travel up to 320 miles on a single charge..

F ord has updated the Mustang Mach-E for 2024. The all-electric crossover is faster in its GT trim, and the entire range can go further than before on a single charge, with the automaker developing a new rear motor that makes more torque while weighing less. Standard for 2024, it delivers an additional 100 pound-feet of twist when equipped with Ford’s new Performance Upgrade software.

The eMotor, combined with the new code, helps propel the 2024 Mach-E GT to 60 miles per hour in 3.3 seconds, which Ford notes is quicker than the Tesla Model Y Performance and the new Porsche Macan 4 Electric. Ford also claims that the GT can complete a quarter-mile race in 11.8 seconds at 114 mph thanks to its 700 pound-feet of available torque. 

The upgrade is standard on the new Rally trim and optional on the GT for an extra $995. Customers can purchase the upgrade when they buy the vehicle or pay for it later, improving its 0-60 time by 0.3 seconds compared to non-upgraded GT models.

The Blue Oval also standardized several popular features on the GT trim for 2024. It now comes with Ford Performance front seats, Brembo-branded front brake calipers, and the MagneRide Damping System, which were previously only available on the 2023 GT Performance Edition, which is no longer available for 2024. The California Route 1 trim has also been dropped for this year.

The new model year also brings improved range figures for the lineup. The Mach-E Select can now go up to 250 miles on a single charge, 20 more than before. Ford rates the Premium trim with the Extended Range battery and rear-wheel-drive to travel 320 miles, while the GT can go 280, an improvement of 20 and 10 miles, respectively. The Rally has 265 miles of range.

The improved range numbers for the lineup coincide with quicker charging times. Mach-Es with the extended-range battery charge almost 20 percent faster, going from 10 to 80 percent in 36.2 minutes, 8.8 minutes quicker than before. The Standard Range pack also charges 5.7 minutes more quickly, going from 10-80 percent in 32.3 minutes.

Ford is offering the 2024 Mach-E in four trims: Select, Premium, GT, and Rally. Select and Premium are available in rear- and all-wheel-drive configurations, while GT and Rally only come with AWD. The two also come with the extended range battery. The Premium is available with the standard- and extended-range batteries, while Ford limits the entry-level Select to just the standard pack.

The 2024 Mustang Mach-E is available to order now. The Select starts at $41,890 (all prices include the $1,895 destination charge). Bumping up to the Mach-E Premium with the SR battery and RWD costs $45,890. The GT is $55,890, while the Rally sits at the top with a $61,890 starting price tag. Ford has a new Bronze Package for 2024 that costs $1,995, which shaves off $200 from the Performance Upgrade software.

Here’s More Ford News:

• 2024 Ford Bronco Sport Now Starts at $31,390 After Price Cuts
• Ford Bronco Raptor With Black Appearance Package Costs $96,925

Source: Ford