How to convert miles per hour to kilometers per hour
One mile per hour equals 1.609344 kilometers per hour. To convert, multiply the number of miles per hour by 1.609344:
Mental-math shortcut: Multiply mph by 1.6: 60 mph ≈ 96 km/h (exact: 96.56 km/h).
Example
Convert 60 miles per hour to kilometers per hour: 60 mph × 1.609344 = 96.5606 km/h.
mph to km/h conversion chart
| mph (mph) | km/h (km/h) |
|---|---|
| 5 | 8.0467 |
| 10 | 16.0934 |
| 15 | 24.1402 |
| 20 | 32.1869 |
| 25 | 40.2336 |
| 30 | 48.2803 |
| 35 | 56.327 |
| 40 | 64.3738 |
| 45 | 72.4205 |
| 50 | 80.4672 |
| 55 | 88.5139 |
| 60 | 96.5606 |
| 65 | 104.61 |
| 70 | 112.65 |
| 75 | 120.7 |
| 80 | 128.75 |
| 100 | 160.93 |
What is a mile per hour?
Miles per hour (mph) is used for speed limits in the United States and the United Kingdom. One mile per hour equals exactly 1.609344 km/h, so 60 mph is about 96.6 km/h.
What is a kilometer per hour?
Kilometers per hour (km/h) is the standard unit for speed limits and speedometers in most countries. 100 km/h is about 62 mph, a common highway limit in Europe and Australia.
Converting the other way? Use the km/h to mph converter.
Frequently asked questions
How many kilometers per hour is one mile per hour?
One mile per hour is 1.609344 kilometers per hour.
How do I convert miles per hour to kilometers per hour?
Multiply the value in miles per hour by 1.609344. For example, 60 mph × 1.609344 = 96.5606 km/h.
What is 70 mph in kilometers per hour?
70 mph is 112.65 kilometers per hour.
How do I convert kilometers per hour to miles per hour?
Multiply kilometers per hour by 0.621371 (or divide by 1.609344). You can also use our km/h to mph converter.
Conversions use the internationally agreed definitions of each unit (for example, 1 inch = 2.54 cm exactly) and are rounded for display. Volume converters use US customary units unless stated otherwise.
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