Kilometers per hour to Miles per hour Converter
Convert Kilometers per hour to Miles per hour (km/h to mph) quickly and accurately.
Quick conversion table
| Kilometers per hour | Miles per hour |
|---|---|
| 10 km/h | 6.21371 mph |
| 30 km/h | 18.64114 mph |
| 50 km/h | 31.06856 mph |
| 60 km/h | 37.28227 mph |
| 90 km/h | 55.92341 mph |
| 100 km/h | 62.13712 mph |
| 120 km/h | 74.56454 mph |
About this tool
Kilometers per hour (km/h) is the metric unit of speed shown on speedometers and road signs across most of the world.
Miles per hour (mph) is the imperial unit used for speed limits and speedometers in the United States and the United Kingdom.
This converter is useful when driving abroad and needing to translate a speed limit or speedometer reading, or when comparing vehicle top-speed or sports statistics quoted in a different unit.
Worked example
- 1Start with your value in Kilometers per hour. For example, 50 km/h.
- 2Apply the formula: 1 km/h = 0.62137 mph.
- 350 km/h converts to 31.06856 mph.
Formula
1 km/h = 0.62137 mph
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Frequently asked questions
- How do I convert Kilometers per hour to Miles per hour?
- Multiply the value in Kilometers per hour using the formula: 1 km/h = 0.62137 mph.
- How many Miles per hour is 1 Kilometers per hour?
- 1 km/h is equal to 0.62137 mph.
- How many Miles per hour is 10 Kilometers per hour?
- 10 km/h is equal to 6.21371 mph.
- How many Miles per hour is 100 Kilometers per hour?
- 100 km/h is equal to 62.13712 mph.
- Is the km/h to mph conversion exact?
- Yes, because both the kilometer and the mile are exactly defined in meters (1 mile = 1,609.344 m), the resulting speed conversion factor is exact.