1. Convert km to mile, and mile to km.
1 kilometer (km) is equal to 0.621371192 miles.
For examples, 10km is about 6.2 miles.
This calculator convert the unit of distance.
If you enter the distance of either km or mile in a following box, and you click "calculate" button, then it convert to another.
It omit below 0.01.
2. Convert pace to speed, and speed to pace both mile and km.
If you run 1mile in 7 minutes, you run 8.5miles in 1 hour, and run 1km in 4 minutes 20 seconds.
This calculator convert pace and speed in the unit of mile, and km.
If you enter pace or speed in a following box, and you click "calculate" button, then it convert to another.
| min/mile | mph | min/km |
|---|---|---|
| 7 min | 8.5 | 4 m 20 s |
| 8 min | 7.5 | 4 m 58 s |
| 9 min | 6.6 | 5 m 35 s |
| 10 min | 6 | 6 m 12 s |
3. Calculate lap time and speed from time and distance both mile and km.
What pace should you run marathon race in target time?
This calculate lap time and speed from target time and distance.
Please select from the following distance or enter the other distance in a following box.
Marathon(26.2miles, 42.195km)
Half marathon
You should run the next pace and speed.
| Marathon | min/mile | mph | min/km |
|---|---|---|---|
| 3 hours | 6 m 51 s | 8.7 | 4 m 15 s |
| 3 h 30 m | 8 m 00 s | 7.4 | 4 m 58 s |
| 4 hours | 9 m 09 s | 6.5 | 5 m 41 s |
4. Calculate time from distance and pace.
Please enter distance and pace (or speed ), and select the unit of them.
If you click "calculate" button, then it calculate time what you run.
You will run in the next time.
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