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# Convert [Kilometers Per Hour] to [Miles Per Hour], (km/h to mi/h)

## SPEED

1 Kilometers Per Hour
= 0.621371689334 Miles Per Hour
*Select units, input value, then convert.

Embed to your site/blog Convert to scientific notation.
Category: speed
Conversion: Kilometers Per Hour to Miles Per Hour
The base unit for speed is meters per second (Non-SI Unit)
[Kilometers Per Hour] symbol/abbrevation: (km/h)
[Miles Per Hour] symbol/abbrevation: (mi/h)

How to convert Kilometers Per Hour to Miles Per Hour (km/h to mi/h)?
1 km/h = 0.621371689334 mi/h.
1 x 0.621371689334 mi/h = 0.621371689334 Miles Per Hour.
Always check the results; rounding errors may occur.

Definition:
In relation to the base unit of [speed] => (meters per second), 1 Kilometers Per Hour (km/h) is equal to 0.277778 meters-per-second, while 1 Miles Per Hour (mi/h) = 0.44704 meters-per-second.
1 Kilometers Per Hour to common speed units
1 km/h =0.621371689334 miles per hour (mi/h)
1 km/h =0.0103561948222 miles per minute (mi/m)
1 km/h =0.000172603247037 miles per second (mi/s)
1 km/h =1 kilometers per hour (km/h)
1 km/h =0.0166666466667 kilometers per minute (km/m)
1 km/h =0.000277778 kilometers per second (km/s)
1 km/h =0.277778 meters per second (m/s)
1 km/h =1000 meters per hour (m/h)
1 km/h =0.539957701907 knots (kn)
1 km/h =9.2656767236E-10 speed of light (c)
Kilometers Per Hour to Miles Per Hour (table conversion)
1 km/h =0.621371689334 mi/h
2 km/h =1.24274337867 mi/h
3 km/h =1.864115068 mi/h
4 km/h =2.48548675734 mi/h
5 km/h =3.10685844667 mi/h
6 km/h =3.72823013601 mi/h
7 km/h =4.34960182534 mi/h
8 km/h =4.97097351467 mi/h
9 km/h =5.59234520401 mi/h
10 km/h =6.21371689334 mi/h
20 km/h =12.4274337867 mi/h
30 km/h =18.64115068 mi/h
40 km/h =24.8548675734 mi/h
50 km/h =31.0685844667 mi/h
60 km/h =37.2823013601 mi/h
70 km/h =43.4960182534 mi/h
80 km/h =49.7097351467 mi/h
90 km/h =55.9234520401 mi/h
100 km/h =62.1371689334 mi/h
200 km/h =124.274337867 mi/h
300 km/h =186.4115068 mi/h
400 km/h =248.548675734 mi/h
500 km/h =310.685844667 mi/h
600 km/h =372.823013601 mi/h
700 km/h =434.960182534 mi/h
800 km/h =497.097351467 mi/h
900 km/h =559.234520401 mi/h
1000 km/h =621.371689334 mi/h
2000 km/h =1242.74337867 mi/h
4000 km/h =2485.48675734 mi/h
5000 km/h =3106.85844667 mi/h
7500 km/h =4660.28767001 mi/h
10000 km/h =6213.71689334 mi/h
25000 km/h =15534.2922334 mi/h
50000 km/h =31068.5844667 mi/h
100000 km/h =62137.1689334 mi/h
1000000 km/h =621371.689334 mi/h
1000000000 km/h =621371689.334 mi/h