Running Calculator

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.

km = miles

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.

minutes seconds per mile
= mph (miles per hour)
= minutes seconds per km
= kph (km per hour)

Pace and speed
min/milemphmin/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

If other distance, please enter direct.
miles
km

And if you enter the time in a following box, and you click "calculate" button, then it calculate lap time and speed what you should run.

Time : hours minutes seconds

You should run the next pace and speed.

minutes seconds per mile
mph (miles per hour)
minutes seconds per km
minutes seconds per 5km
kph (km per hour)

Time of marathon and lap time
Marathonmin/milemphmin/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.

Distance : miles km
Pace : minutes seconds per 1 mile 1 km
( or speed : mile km per hour )

You will run in the next time.

Time : hours minutes seconds


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