Half-Marathon Pace Converter: min/mile ↔ min/km
Convert half-marathon running pace between min/mile and min/km. See treadmill speed and finish times for all standard race distances. Free, 100% client-side.
A half-marathon is 21.0975 km (13.1094 miles). Converting your half-marathon goal pace between min/mile and min/km helps you use any GPS watch, training app, or treadmill regardless of the unit it displays.
Key half-marathon paces and finish times: - 4:30 min/km (7:14 min/mi) → 1:34:56 finish - 5:00 min/km (8:03 min/mi) → 1:45:29 finish - 5:30 min/km (8:51 min/mi) → 1:56:02 finish - 6:00 min/km (9:40 min/mi) → 2:06:35 finish - 6:30 min/km (10:28 min/mi) → 2:17:09 finish
For the formula: pace_min_km = pace_min_mile ÷ 1.60934. Finish time = pace_sec_km × 21.0975 ÷ 60.
Use the converter above to enter any pace in either unit. It instantly shows the converted pace, treadmill speed in mph and km/h, and projected finish times for all standard distances from 1 km to the full marathon. The Copy as text button lets you paste your target pace into a training log, watch app, or messaging app.
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