Sprint Speed Calculator
Calculate sprint speed in mph, km/h and m/s from distance and time (seconds or m:ss), with 40 yd to 400 m presets, a Bolt comparison and shareable links.
This works right here on your device — nothing gets sent out.
- 1 Your sprint
- 2 Customize
- 3 Result
3. Result
Your speed will appear here
Pick a distance, type your time, then press Calculate speed.
Compared with Usain Bolt
Time over other distances at this average speed
| Distance | Time |
|---|
These times assume you hold the same average speed for the whole distance. Real times over longer distances are slower, because sprint speed fades.
How it works
- Enter your sprint or running distance and choose your unit (Meters, Yards, Feet, Kilometers, or Miles), or tap a preset from 10 m to 400 m, including the 40-yard dash.
- Enter the elapsed time in seconds (11.50), or as minutes:seconds (1:05.30) for longer runs.
- Press Calculate speed. The calculator converts the distance into meters and computes your average speed in m/s, mph, km/h, and ft/s, and compares it with Usain Bolt's 100 m speed. Pick mph, km/h or m/s to choose which one is shown largest.
- Review how long 40 yards, 60 m, 100 m, 200 m and 400 m would take at the same average speed.
- Copy the results as text, or copy a link that reopens the same calculation.
The formula
Speed (m/s) = Distance (meters) / Time (seconds)
Speed (km/h) = Speed (m/s) × 3.6
Speed (mph) = Speed (m/s) × 2.23694
FAQ
How is average sprint velocity calculated?
Average velocity is calculated by dividing total distance (converted to meters) by elapsed sprint time in seconds: Velocity (m/s) = Distance (m) / Time (s).
What is the top recorded sprint speed in human history?
The fastest widely cited figure is Usain Bolt's: during his 9.58-second 100 m in Berlin (2009) he covered the 20 m from 60 m to 80 m in 1.61 seconds. That is 20 ÷ 1.61 = 12.42 m/s, or about 44.7 km/h (27.8 mph). It is an average over that 20 m segment, not an instantaneous reading.
How do unit conversions between m/s, km/h, and mph work?
To convert meters per second (m/s) to km/h, multiply by 3.6. To convert m/s to miles per hour (mph), multiply by approximately 2.23694.
Can this tool be used for 40-yard dash and football speed testing?
Yes. Tap the 40 yd preset (or choose Yards and enter 40), then enter your time. The calculator shows your average speed over the dash and the time that speed would give over 60, 100, 200 and 400 meters.
Can I enter times longer than a minute?
Yes. Type the time as minutes:seconds, such as 1:05.30 for a 400 m, or hours:minutes:seconds for longer runs. Plain seconds such as 11.50 work too.
How do I convert yards to meters for sprint timing?
One yard is exactly 0.9144 meters, so a 40-yard dash is 36.576 meters. Choose Yards as the unit and the calculator converts it for you.
Are the times for other distances predictions?
No. They show how long each distance would take if you held the same average speed the whole way. Over longer distances, real times are slower, because sprint speed fades.
Can I share or save a result?
Yes. Copy link copies a web address with your distance, unit and time in it, so opening the link reloads the same calculation. Copy result copies a plain-text summary.
How we compare
| Feature | Online Tool Store | TopEndSports | DevMatrix | CalculatorHub |
|---|---|---|---|---|
| Speed in mph, km/h and m/s at once | ✓ | ✓ | ✓ | ✓ |
| Enter longer times as minutes:seconds | ✓ | Seconds only | Seconds only | Seconds only |
| One-tap distance presets, including the 40-yard dash | ✓ | 10–100 m presets | Not stated | Not stated |
| Time over 40 yd, 60, 100, 200 and 400 m at your speed | ✓ | Pace per 100 m only | 100 m only | Not stated |
| Comparison with Usain Bolt's speed | ✓ | Not stated | Not stated | ✓ |
| Copy results and a shareable link | ✓ | ✓ | Not stated | ✓ |
Competitor features were checked on topendsports.com/testing/tests/sprint.htm, tools.devmatrix.us.com/sports/sprint-speed-calculator and calculatorhub.com/tools/sprint-speed-calculator in October 2026. “Not stated” means the page does not say.