Mph to Km/h
1 mph = 1.60934 km/h
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Result
Field guide
About Mph to Km/h
Type a value in mph and get the answer in km/h straight away. 1 mph = 1.60934 km/h, so km/h = mph × 1.60934. Handy for UK and US road signs.
- Type the number of mph.
- Read the result in km/h. It updates as you type.
- Swap the units or pick another category for other conversions.
| Mph (mph) | Km/h (km/h) |
|---|---|
| 10 | 16.0934 |
| 20 | 32.1869 |
| 25 | 40.2336 |
| 30 | 48.2803 |
| 40 | 64.3738 |
| 50 | 80.4672 |
| 60 | 96.5606 |
| 70 | 112.654 |
| 80 | 128.748 |
| 100 | 160.934 |
| 150 | 241.402 |
| 200 | 321.869 |
Questions
Frequently asked
How do I convert mph to km/h?
Use km/h = mph × 1.60934. For example, 30 mph = 48.2803 km/h.
How many km/h are in one mph?
1 mph = 1.60934 km/h.
Is the converter accurate?
Yes. It uses the internationally defined conversion factors, rounded only for display.
Is what I type sent to a server?
No. The tool runs entirely in your browser and there's no server behind it, so what you type never leaves your device and nothing is stored. You can check: it keeps working if you go offline after the page has loaded.
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