How to use Kilometers per Hour to Miles per Hour
Type a value in kilometers per hour and the miles per hour figure appears straight away. The conversion table further down lists common values.
The formula
mph = km/h ÷ 1.609344
Examples
- 1 kilometers per hour to miles per hour
0.62137119 mph
- 10 kilometers per hour to miles per hour
6.21371192 mph
- 250 kilometers per hour to miles per hour
155.34279806 mph
Kilometers per Hour to Miles per Hour conversion table
| Kilometers per Hour | Miles per Hour |
|---|---|
| 1 | 0.6214 mph |
| 2 | 1.2427 mph |
| 3 | 1.8641 mph |
| 4 | 2.4855 mph |
| 5 | 3.1069 mph |
| 6 | 3.7282 mph |
| 7 | 4.3496 mph |
| 8 | 4.971 mph |
| 9 | 5.5923 mph |
| 10 | 6.2137 mph |
| 15 | 9.3206 mph |
| 20 | 12.4274 mph |
| 25 | 15.5343 mph |
| 30 | 18.6411 mph |
| 40 | 24.8548 mph |
| 50 | 31.0686 mph |
| 75 | 46.6028 mph |
| 100 | 62.1371 mph |
| 250 | 155.3428 mph |
| 500 | 310.6856 mph |
| 1,000 | 621.3712 mph |
Limitations and assumptions
Uses the stated standard unit definitions. Check the input unit and displayed precision before relying on the result.
Frequently asked questions
How many miles per hour are in one kilometer per hour?
One kilometer per hour equals 0.62137119 mph. The formula is mph = km/h ÷ 1.609344.
How do I convert kilometers per hour to miles per hour?
Use mph = km/h ÷ 1.609344. For example, 10 kilometers per hour gives 6.21371192 mph. Enter your own value above and the converter does the arithmetic for you.
How do I convert miles per hour back to kilometers per hour?
Use the Miles per Hour to Kilometers per Hour converter, or invert the factor by dividing instead of multiplying.
Is this conversion exact?
Speed conversions chain a distance factor and a time factor (1 mile = 1.609344 km, 1 hour = 3,600 s), and a knot is one nautical mile per hour.