Running Pace Calculator
Calculate running pace, time, or distance — shows pace in min/km and min/mi, speed in km/h, and predicted finish times for 5K, 10K, half, and full marathon.
Distance
Time h : min : sec
Pace min : sec per unit
PaceTotal TimeDistance
Pace /km
Pace /mi
Speed
Predicted finish times
Why you’ll love Running Pace Calculator
Instant & free
No signup, no paywall, no limits — Running Pace Calculator works the moment the page loads.
Completely private
Everything runs in your browser. Nothing you enter is ever uploaded or stored on a server.
Works on any device
Fully responsive and touch-friendly — use it on your phone, tablet or desktop.
Accurate & clear
Built on the real formulas, with a breakdown you can actually trust.
How to use it
Open it
No download and no login — the tool is ready right at the top of this page.
Use it
Enter your details or start interacting. Everything updates live as you go.
Get your result
Copy, download or share your result in a single tap. That’s it.
About Running Pace Calculator
Running Pace Calculator is a powerful tool designed to help runners of all levels track and optimize their performance. Whether you're training for a marathon, improving your 5K time, or simply monitoring daily runs, this calculator instantly converts between pace, speed, distance, and time. Get accurate splits and see your progress clearly with intuitive metrics displayed in both metric and imperial units.
Plan your workouts with confidence using built-in race prediction for 5K, 10K, half marathon, and full marathon distances. The calculator provides instant conversions showing pace in minutes per kilometer and per mile, along with corresponding speeds in km/h. Whether you're calculating splits for interval training or checking if you're on pace during a run, this essential tool keeps you focused on your goals.
Popular uses
Frequently asked questions
Enter your distance and time, and the calculator instantly shows your pace in min/km and min/mi, plus speed in km/h. It works whether you input kilometers or miles.
Yes. Enter your current pace or recent race time, and the calculator estimates your finish times for 5K, 10K, half marathon, and full marathon distances based on standard racing formulas.
Pace is time per distance (e.g., 6 minutes per kilometer), while speed is distance per time (e.g., 10 km/h). This calculator shows both for complete clarity.
Running Pace Calculator is 100% free — no signup, no watermarks and no usage limits. It’s one of 200+ free tools we build and give away.
It uses the standard formulas and shows its working, so you can verify every number. For big decisions, treat the result as a reliable estimate.
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