Mile/hours to Kilometer/hours (mph to km/h)
Free online mile/hour to kilometer/hour converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
SPEED CONVERTER — INSTANT RESULT
Formula: multiply the mile/hour value by 1.609344 — i.e. km/h = mph × 1.609344
Quick check: 1 mph = 1.609344 km/h
Quick check: 1 mph = 1.609344 km/h
Mile/hours to Kilometer/hours conversion table
| Mile/hours (mph) | Kilometer/hours (km/h) |
|---|---|
| 1 mph | 1.609344 km/h |
| 2 mph | 3.218688 km/h |
| 3 mph | 4.828032 km/h |
| 4 mph | 6.437376 km/h |
| 5 mph | 8.04672 km/h |
| 6 mph | 9.656064 km/h |
| 7 mph | 11.265408 km/h |
| 8 mph | 12.874752 km/h |
| 9 mph | 14.484096 km/h |
| 10 mph | 16.09344 km/h |
| 15 mph | 24.14016 km/h |
| 20 mph | 32.18688 km/h |
| 25 mph | 40.2336 km/h |
| 30 mph | 48.28032 km/h |
| 40 mph | 64.37376 km/h |
| 50 mph | 80.4672 km/h |
| 75 mph | 120.7008 km/h |
| 100 mph | 160.9344 km/h |
| 250 mph | 402.336 km/h |
| 500 mph | 804.672 km/h |
| 1,000 mph | 1,609.344 km/h |
How to convert mile/hours to kilometer/hours
To convert mile/hours to kilometer/hours, multiply the amount in mile/hours by 1.609344. For example, 10 mph = 16.09344 km/h. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.
Convert between meters per second, kilometers per hour, miles per hour, knots and Mach. One knot is one nautical mile per hour; Mach numbers are referenced to the speed of sound at 15°C sea level (340.3 m/s).
Frequently asked questions
How many kilometer/hours are in one mile/hour?
One mile/hour is exactly 1.609344 kilometer/hours.
How do I convert mph to km/h?
Multiply the mph value by 1.609344 to get km/h. The converter at the top of this page does this automatically and works in both directions.
How much is 100 mile/hours in kilometer/hours?
100 mile/hours equals 160.9344 kilometer/hours.