Running and walking
Running and Walking Pace Calculator
Convert distance, time, and average pace across min/km, min/mile, km/h, and mph for a run or walk.
- Runs only in your browser
- Nothing saved or added to the URL
- No account or email required
Average pace
Solve for pace, time, or distance
Uses a constant average pace across the full distance.
Calculated result
Constant-average arithmetic only—not a race prediction or training prescription.
Method
One relationship, shown four ways
Average pace equals elapsed time divided by distance. Finish time equals distance multiplied by pace. Distance equals elapsed time divided by pace.
The calculator converts one mile to exactly 1.609344 kilometers, then returns both min/km and min/mile plus km/h and mph.
Limits
Average pace is not performance prediction
The result assumes one constant average pace. It does not account for hills, stops, weather, fatigue, terrain, GPS error, or pace changes within a session.
A calculated marathon time is only the arithmetic result of holding the entered pace for that distance. It does not predict that you can safely or realistically sustain it.
Use current fitness, route conditions, and qualified coaching or clinical guidance when planning exercise.
From a calculation to a workout record
Keep the number beside what actually happened
Grio can bring supported Apple Health workout data into your daily context and lets you add the details a watch cannot know. Use this calculator for arithmetic, then keep the real session in your record.
Sources and review notes
Content reviewed August 28, 2026
- NIST Guide to the SI, Appendix B.8: Conversion Factors Exact mile-to-meter conversion relationship · accessed August 28, 2026