mph to km/h Converter (Miles Per Hour to Kilometers Per Hour)
Enter a value in miles per hour to get kilometers per hour instantly. 1 mile per hour = 1.6093 kilometers per hour.
Use a dot or comma for decimals.
Result
1 mile per hour = 1.6093 kilometers per hour
Formula
Multiply the number of miles per hour by 1.6093 to get kilometers per hour.
km/h = mph × 1.6093
mph to km/h conversion table
| miles per hour (mph) | kilometers per hour (km/h) |
|---|---|
| 1 mph | 1.6093 km/h |
| 5 mph | 8.0467 km/h |
| 10 mph | 16.0934 km/h |
| 20 mph | 32.1869 km/h |
| 50 mph | 80.4672 km/h |
| 100 mph | 160.9344 km/h |
| 500 mph | 804.672 km/h |
| 1,000 mph | 1,609.344 km/h |
Frequently asked questions
How do I convert miles per hour to kilometers per hour?
Multiply the number of miles per hour by 1.6093 to get kilometers per hour. Formula: km/h = mph × 1.6093.
How many kilometers per hour are in one mile per hour?
One mile per hour equals 1.6093 kilometers per hour.
What is 100 miles per hour in kilometers per hour?
100 mph equals 160.9344 km/h.
Is this mph to km/h conversion exact?
Yes. It uses internationally defined factors: 1 mph = 1609.344 meters per hour = 0.44704 m/s exactly. 1 km/h = 1000 meters per 3600 seconds. Results are rounded for display.