Miles per Hour to Kilometers per Hour
Convert Miles per Hour (mph) to Kilometers per Hour (km/h) instantly, with a formula, reference table, and FAQ.
Formula
Miles per Hour × 1.60934 = Kilometers per Hour
Miles per Hour (mph) and Kilometers per Hour (km/h) are both units of speed. Use the converter above for any value, or check the quick-reference table below for common amounts.
Quick reference
| mph | km/h |
|---|---|
| 1 mph | 1.60934 km/h |
| 5 mph | 8.04672 km/h |
| 10 mph | 16.0934 km/h |
| 25 mph | 40.2336 km/h |
| 50 mph | 80.4672 km/h |
| 100 mph | 160.934 km/h |
| 500 mph | 804.672 km/h |
| 1000 mph | 1,609.34 km/h |
Frequently asked questions
How many Kilometers per Hour is one Miles per Hour?
One Miles per Hour (mph) equals 1.60934 Kilometers per Hour (km/h).
How do I convert Miles per Hour to Kilometers per Hour?
Multiply the value in Miles per Hour by 1.60934 to get Kilometers per Hour.
Is the Miles per Hour to Kilometers per Hour conversion exact?
Yes — this converter uses the internationally defined conversion factor between miles per hour and kilometers per hour, accurate to several decimal places.