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060calc

0-60 Calculator

Enter horsepower and weight to estimate your car's 0-60 time, 0-100 km/h and quarter-mile. Compare two cars, find the power you need for a target time, or turn a time you measured into acceleration. It runs entirely in your browser.

lb
Power is measured at
Road and conditions (optional)
%

Positive is uphill, negative is downhill.

0-60 result

0-60 mph

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Full breakdown

What would help most

Change in 0-60 time for Car A if you changed one thing.

    Power needed for a target time

    Everything else stays as entered for Car A.

    s

    Method

    How the estimate works

    The calculator drives a virtual car down a flat, straight road in steps of two milliseconds. At each step it takes the smaller of two forces: what the engine can deliver and what the tires can hold. The full 0-60 formula is explained in a separate guide.

    Power-limited

    Drive force is wheel power divided by the speed the engine reaches at the end of each gear. Wheel power is rated power minus driveline loss, adjusted for air density.

    Grip-limited

    Tire grip, road surface and weight transfer cap drive force. Front-wheel drive loses grip as weight shifts rearward, rear-wheel drive gains it, all-wheel drive uses all four tires.

    Gear changes

    Manual, automatic and dual-clutch cars lose drive for a different length of time at each shift. Electric cars have none.

    Resistance

    Aerodynamic drag depends on body style and air density. Rolling resistance and road grade are included.

    Air density

    Altitude and temperature change engine output and drag together, so a hot day at altitude hurts a naturally aspirated car more than a turbocharged or electric one.

    What it does not know

    It cannot see your torque curve, tire temperature, launch-control programming, suspension or driver. Two identical cars can differ by half a second. Confirm with a timed run on a closed course, or use the Measured time tab.

    Reference

    What counts as a good 0-60 time?

    Rough bands for modern cars with a driver on board, timed with rollout as most magazines do. Heavier loads, hills, heat and thin air push a car toward the slower end.

    0-60 mph time bands and the kind of car in each
    Under 3.0 s Hypercars and the quickest electric cars
    3.0 – 4.0 s Supercars, performance EVs and top muscle cars
    4.0 – 5.5 s Sports cars and the fastest hot hatches and sedans
    5.5 – 7.5 s Quick everyday cars and performance trims
    7.5 – 9.5 s Typical new family cars and crossovers
    Over 9.5 s Economy cars, older vehicles and heavy loads

    Guide

    0-60 calculator for any car

    This free 0-60 calculator, also searched for as a 0 to 60 calculator or 0 60 calculator, estimates how many seconds a car needs to reach 60 mph. Enter horsepower and weight, choose the transmission, drive wheels and tires, and the 0-60 estimator runs a physics simulation in your browser. It also reports 0-100 km/h, 1/8-mile and 1/4-mile times, so one set of inputs answers most acceleration questions for a car, truck or EV.

    What is a 0-60 calculator?

    A car 0-60 calculator predicts the 0-60 time of a vehicle before anyone puts a stopwatch on it. 0-60 mph is the standard acceleration benchmark in the US, while most of the world uses 0-100 km/h. People use a 0-60 time calculator to compare cars they might buy, to see what a modification could gain, to sanity-check a manufacturer claim, or to settle an argument. Instead of one rule of thumb, this tool simulates the whole run. At every instant the car's acceleration is limited by either engine power or tire grip, and drag and gear changes slow it down.

    How to use this 0-60 calculator

    1. Enter engine power in hp, kW or PS, and curb weight in lb or kg.
    2. Add the weight of the driver, passengers and cargo, and say whether the power figure is measured at the engine or at the wheels.
    3. Choose the engine type, transmission, body style, tires and drive wheels.
    4. Open the optional road and conditions section to set surface, altitude, temperature and grade.
    5. Read the 0-60 time with its likely range, plus 0-100 km/h, 1/8 mile and 1/4 mile. Use the Compare two cars tab to put a second car next to it.

    0-60 calculator with horsepower and weight

    Horsepower and weight are the two inputs that matter most. A simple theoretical 0-60 calculation takes the energy needed to reach 60 mph (½ × mass × speed²) and divides it by the power reaching the wheels. For a 3,900 lb car with 260 hp, that ideal time is about 3.8 seconds. Real cars are slower, because tires slip at launch, shifts interrupt drive, and air and rolling resistance grow with speed. Simulating those effects step by step puts the same car near 6.5 seconds, which is much closer to what a timing run would show. That gap is why a theoretical 0-60 calculator on its own is only a lower limit. See the full 0-60 formula from horsepower and weight.

    Power-to-weight ratio and the 0-60 formula

    The power-to-weight ratio is power divided by weight, shown as hp per 1,000 lb, hp per ton or kW per kg. A 300 hp car weighing 3,500 lb has about 86 hp per 1,000 lb. It is the quickest way to rank cars, and the full breakdown under the results shows it for your car. As a power to weight 0-60 calculator input it is useful but not enough, because two cars with the same ratio can differ by a second or more depending on grip, gearing and drivetrain. That is why this tool combines the ratio with tires, drive wheels, transmission and conditions.

    Torque, horsepower and gear ratio

    If you are looking for a 0-60 calculator that uses torque, the key link is hp = torque (lb-ft) × rpm ÷ 5252. An engine making 400 lb-ft at 4,500 rpm produces about 343 hp, so a 0-60 calculator for hp and torque really needs the horsepower figure, which this tool takes directly. Gear ratio matters too. Gearing decides how engine power is delivered at each speed and how many shifts you make before 60 mph, but it cannot add power. The calculator does not ask for individual gear ratios. It accounts for shift time through the transmission type you select. A custom torque curve and exact gearing are the main things it cannot see. To convert, try the torque to horsepower calculator.

    Quarter-mile and eighth-mile times

    Many people search for a 0-60 calculator based on 1/4 mile times, or a 1/4 mile to 0-60 calculator. There is no exact conversion, because a quarter mile ends at a much higher speed and the two numbers depend on different parts of the run. What the tool does instead is show 0-60, 1/8-mile and 1/4-mile results from the same simulation, so you can see all of them for your car. If you know your quarter-mile trap speed, you can estimate power with hp ≈ weight × (trap speed ÷ 234)³. To turn a speed and a time you measured yourself into average acceleration, use the Measured time tab. More on the math: quarter mile to 0-60 estimate.

    Car hp calculator: how much power do you need?

    Working the other way, the Power needed for a target time panel acts as a car hp calculator. Enter the 0-60 time you want and it shows the horsepower required with everything else unchanged. The What would help most panel shows whether more power, less weight, better tires or a different drivetrain would help you most.

    Who is this 0-60 estimator for?

    It is built for car buyers comparing models, owners planning upgrades, drag racers checking trap speeds and elapsed times, EV owners curious about instant torque, and writers or students who want a clear explanation. It is free, needs no sign-up, and nothing you enter leaves your device. Results are estimates, so treat them as a guide. For the full explanation read how the estimate works, see what counts as a good 0-60 time, or jump to the frequently asked questions.

    Guides

    0-60 guides and tools

    Go deeper on the physics, convert drag-strip numbers into a 0-60 estimate, or work out horsepower from torque.

    FAQ

    Frequently asked questions

    How do I calculate 0-60 time from horsepower and weight?

    Start with the energy needed to reach 60 mph (½ × mass × speed²) and divide by the power reaching the wheels. A 3,900 lb car (including driver) needs about 636 kJ, and 260 hp at the engine gives roughly 169 kW at the wheels, so the ideal time is about 3.8 seconds. Real cars take longer because power is not available at every moment: tires slip at launch, gear changes interrupt drive, and air and tire drag grow with speed. This calculator simulates those effects step by step and lands near 6.5 seconds for that car.

    How accurate is this 0-60 calculator?

    For stock and lightly modified cars, expect the estimate to land within about 0.3 to 0.5 seconds of a well-run timed test. Results are less certain for cars with unusual power delivery, heavy launch aids, or setups limited by something the calculator cannot see, such as battery output in an electric car. Treat the result as a planning number and use a GPS timer for the real thing.

    What is a 1-ft rollout and should I leave it on?

    Most car magazines start the clock after the car has rolled forward one foot, which removes roughly 0.2 to 0.3 seconds. Manufacturer claims and timing apps often start from a true standstill. Leave rollout on to compare with magazine figures, and turn it off to compare with a stopwatch or a phone app that starts when you press the pedal.

    Should I enter engine horsepower or wheel horsepower?

    Use whichever you have and tell the calculator which it is. Rated (crank) horsepower is what manufacturers quote. Dyno results are usually wheel horsepower, which is lower because the transmission and driveline absorb part of the power. When you choose wheels, the calculator does not subtract any further driveline loss.

    Why do tires and road surface matter so much?

    Below about 40 mph, many powerful cars can make more drive force than the tires can pass to the road. In that phase grip, not power, sets how fast the car accelerates. The calculator tells you how long your setup is grip-limited and shows what a better tire or all-wheel drive would change.

    How do altitude and temperature change 0-60?

    Thinner air reduces the power of naturally aspirated engines by roughly 3% for every 1,000 ft (300 m) of altitude. Turbocharged and supercharged engines lose less because they can compensate with boost, and electric cars lose almost none. Thinner air also lowers aerodynamic drag, which helps at higher speeds. Hot air reduces power in the same way.

    What is the difference between 0-60 mph and 0–100 km/h?

    100 km/h is 62.1 mph, so 0–100 km/h takes a little longer than 0-60 mph, usually by 0.1 to 0.3 seconds depending on how hard the car is still pulling at that speed. The calculator shows both.

    How do I measure my own 0-60 time?

    Use a GPS-based performance timer or a data logger, and run only on a closed course or a drag strip where it is legal and safe. Do not test on public roads. Enter the speeds and the time you measured in the Measured time tab to get average acceleration, distance covered and the average power the car needed.

    Does the calculator store or send my data?

    No. Every calculation runs in your browser and nothing you enter is sent to a server. Your values are not saved or put in the page address, so the address always stays at the home page.

    Can I use torque instead of horsepower in a 0-60 calculator?

    This calculator takes power, not torque, because power is what limits acceleration at speed. If you only know torque, convert it first: horsepower = torque (lb-ft) × rpm ÷ 5252. For example, 400 lb-ft at 4,500 rpm is about 343 hp. Use the peak horsepower figure if you have it, since torque alone does not show how the engine behaves across its rev range.

    Does gear ratio matter for 0-60 time?

    Yes. Gearing decides how engine power is delivered at each speed, how many shifts happen before 60 mph and how close the engine stays to peak power. It cannot create power, though. This calculator does not ask for individual gear ratios. It uses your transmission type (manual, automatic, dual-clutch or single-speed) to account for shift time and drive interruption.

    How do I convert a quarter-mile time to 0-60?

    There is no exact conversion, because a quarter mile is run to a much higher speed than 60 mph and the two numbers depend on different parts of the run. Enter your power and weight and the calculator shows 0-60 and quarter-mile times from the same simulation. If you know your quarter-mile trap speed, you can estimate power with hp ≈ weight (lb) × (trap speed in mph ÷ 234)³.

    What is the power-to-weight ratio formula for 0-60?

    Power-to-weight ratio is power divided by weight, usually shown as hp per 1,000 lb, hp per ton or kW per kg. A higher ratio means quicker acceleration, but it does not give a time on its own because gearing, grip and drag also matter. The full breakdown under the results shows your power-to-weight ratio next to the estimated 0-60 time.

    How much horsepower do I need for a target 0-60 time?

    Use the Power needed for a target time panel under the results. Enter the 0-60 time you want and it works out the horsepower required while keeping everything else as you entered it, so you can see what a tune, an engine swap or lighter weight would need to deliver.

    Find out how fast your car is

    Enter power and weight and see the 0-60 time in seconds.

    Open the calculator