Mile per Hour to Kilometer per Hour (mph to km/h)
Convert mph to km/h — Speed converter
1 mph = 1.60934 km/h.
Miles per hour (mph) is the speed unit used on US and UK roads; kilometers per hour (km/h) is the metric standard nearly everywhere else. To convert mph to km/h, multiply by 1.60934. For a quick mental estimate, add about 60% to the mph figure.
This is the conversion you need to read a foreign speedometer or a road sign in the "wrong" units. Common motorway speeds line up as 60 mph = 96.56 km/h and 100 mph = 160.93 km/h.
1.609343Click to copy
1 mph = 1.609343 km/h
Mile per Hour to Kilometer per Hour formula
1 Mile per Hour = 1.609343 km/h
Worked examples
- 25 mph = 40.233568 km/h
- 100 mph = 160.934271 km/h
Common uses
- Reading US/UK speed limits while driving abroad
- Comparing a car's mph speedometer to km/h signs
- Matching quoted top speeds between regions
Mile per Hour to Kilometer per Hour conversion table
| Mile per Hour (mph) | Kilometer per Hour (km/h) |
|---|---|
| 1 | 1.609343 |
| 2 | 3.218685 |
| 3 | 4.828028 |
| 5 | 8.046714 |
| 8 | 12.874742 |
| 10 | 16.093427 |
| 12 | 19.312113 |
| 15 | 24.140141 |
| 20 | 32.186854 |
| 25 | 40.233568 |
| 50 | 80.467136 |
| 100 | 160.934271 |
| 250 | 402.335678 |
| 500 | 804.671356 |
| 1000 | 1609.34 |
Frequently asked questions
How many km/h are in one mph?
One mile per hour equals 1.60934 kilometers per hour.
What is 60 mph in km/h?
60 mph = 96.56 km/h.
What is 100 mph in km/h?
100 mph = 160.93 km/h.
How do I convert mph to km/h quickly?
Multiply by 1.6, or add roughly 60% to the mph value.