Pace Calculator
Running pace and speed
Use this when you need a fast, accurate result — no sign-up, works entirely in your browser.
Pace—
Speed—
How to Use
- Enter your details into the fields above.
- Click the calculate button to get your result instantly.
- Use the clear button to start a new calculation.
Example
- 10 km in 50 minutes → Pace 5:00 /km, speed 12 km/h
- 10 km in 50:00 → Pace 5:00 /km (12 km/h)
Formula
Pace = total time ÷ distance. Speed = distance ÷ total time. A 5:00/km pace is the same as 12 km/h; to plan a race, multiply your target pace by the distance and add it to your start time.
About Pace Calculator
Running pace and speed. This free online tool gives you fast, accurate results without registration or downloads.
Everything runs locally in your browser, so your data is never uploaded or stored — privacy first.
Frequently Asked Questions
Is the Pace Calculator free to use? +
Yes, it is completely free with no registration or download required.
Is my health data private? +
Yes. All calculations happen locally in your browser. Your health information is never uploaded or stored.
Is this a substitute for medical advice? +
No. This tool provides estimates for informational purposes only and is not a substitute for professional medical advice.