Kilometres per hour to Miles per hour Converter
Convert kilometre per hour to mile per hour instantly. Type a value below — the result updates as you type.
When you need to convert kilometre per hour to mile per hour
Speed conversions are handy for driving abroad, reading weather and marine forecasts, or comparing vehicle, wind and running pace figures quoted in unfamiliar units.
Driving across borders and reading car speedometers are the main reasons to convert km/h and mph.
Typical values: 0.5 km/h is about 0.3107 mph, and 100 km/h works out to roughly 62.1371 mph. Because the ratio is fixed at 0.6214, you can scale any amount linearly — doubling the kilometres per hour doubles the miles per hour.
Road signs, aviation and sailing each use their own speed unit, so the same motion can be described several ways.
How to convert kilometre per hour to mile per hour
One kilometre per hour equals 0.6214 miles per hour. To convert, multiply the number of kilometres per hour by 0.6214:
miles per hour = kilometres per hour × 0.6214
For example, 10 kilometres per hour × 0.6214 = 6.2137 miles per hour.
Kilometres per hour to miles per hour conversion table
| Speed (km/h) | Miles per hour (mph) |
|---|---|
| 1 km/h | 0.6214 mph |
| 2 km/h | 1.2427 mph |
| 3 km/h | 1.8641 mph |
| 5 km/h | 3.1069 mph |
| 10 km/h | 6.2137 mph |
| 20 km/h | 12.4274 mph |
| 50 km/h | 31.0686 mph |
| 100 km/h | 62.1371 mph |
FAQ
How many miles per hour are in a kilometre per hour?
One kilometre per hour = 0.6214 miles per hour.
How do I convert miles per hour back to kilometres per hour?
Divide by 0.6214, or use the miles per hour to kilometres per hour converter.