Speed Converter
MPH to KM/H
Convert miles per hour to kilometers per hour below — useful when driving abroad or reading car specs.
Convert mph to km/h
0.621371
1 km/h = 0.621371 mph
| Unit | 1 km/h = |
|---|---|
| Meters per second | 0.277778 m/s |
| Kilometers per hour | 1 km/h |
| Miles per hour | 0.621371 mph |
| Feet per second | 0.911344 ft/s |
| Knots | 0.539957 kn |
How to convert mph to km/h
One mile per hour equals about 1.60934 km/h, so multiply mph by 1.609 to get km/h.
Example: a 70 mph motorway limit is about 113 km/h, and 30 mph in town is roughly 48 km/h.
MPH to km/h table
| MPH | Km/h |
|---|---|
| 10 mph | 16.09 km/h |
| 20 mph | 32.19 km/h |
| 30 mph | 48.28 km/h |
| 40 mph | 64.37 km/h |
| 50 mph | 80.47 km/h |
| 60 mph | 96.56 km/h |
| 70 mph | 112.65 km/h |
| 80 mph | 128.75 km/h |
| 90 mph | 144.84 km/h |
| 100 mph | 160.93 km/h |
| 120 mph | 193.12 km/h |
Common speeds in mph and km/h.
Frequently asked questions
How many km/h is 1 mph?
One mph is about 1.609 km/h. Multiply mph by 1.609 to convert to km/h.
What is 60 mph in km/h?
60 mph equals 60 × 1.60934 = 96.6 km/h.
What is 70 mph in km/h?
70 mph equals 70 × 1.60934 = 112.7 km/h — the typical UK motorway limit.
What is 100 mph in km/h?
100 mph equals 100 × 1.60934 = 160.9 km/h.
How do I convert any mph value to km/h fast?
Multiply by 1.609 (or roughly: multiply by 1.6). For a quick mental estimate, add about 60% to the mph figure.