Convert miles per hour to kilometers per hour instantly. 1 mph = 1.609344 km/h; a ready conversion table and the formula are below.
Enter the value
Pick the quantity and units, then enter the value. It converts instantly.
The converter uses the factor 1 mph = 1.609344 km/h: your value is multiplied by 1.609344. For example, 10 mph = 16.09344 km/h. For the reverse direction, press ⇄.
Beyond miles per hour (mph) and kilometers per hour (km/h), the main unit converter covers every length, mass, temperature, area, volume, speed, digital-storage and time unit.
| miles per hour (mph) | kilometers per hour (km/h) |
|---|---|
| 1 mph | 1.609344 km/h |
| 2 mph | 3.218688 km/h |
| 3 mph | 4.828032 km/h |
| 5 mph | 8.04672 km/h |
| 10 mph | 16.09344 km/h |
| 20 mph | 32.18688 km/h |
| 50 mph | 80.4672 km/h |
| 100 mph | 160.9344 km/h |
1 mph = 1.609344 km/h. For any other value, type it in the converter above — the result updates instantly.
10 mph = 16.09344 km/h. See the table above for other common values.
Value in km/h = value in mph × 1.609344. For the reverse, multiply by 0.6213712 (or divide by 1.609344).
Press the ⇄ button in the tool; the direction flips to km/h → mph with the same precision.