How to convert mph to km/h
One mile per hour is exactly 1.609344 km/h. To turn mph into km/h, multiply by 1.609.
Formula: km/h = mph × 1.609344
Example: 60 mph × 1.609 = 96.56 km/h
mph to km/h table
| Mph (mph) | Km/h (km/h) |
|---|---|
| 5 | 8 |
| 10 | 16.1 |
| 15 | 24.1 |
| 20 | 32.2 |
| 25 | 40.2 |
| 30 | 48.3 |
| 35 | 56.3 |
| 40 | 64.4 |
| 45 | 72.4 |
| 50 | 80.5 |
| 55 | 88.5 |
| 60 | 96.6 |
| 65 | 104.6 |
| 70 | 112.7 |
| 75 | 120.7 |
| 80 | 128.7 |
| 100 | 160.9 |
| 150 | 241.4 |
| 200 | 321.9 |
Values are rounded to 1 decimal place.
Speeds worth knowing
- US school zone: 20 mph = 32 km/h
- UK motorway limit: 70 mph = 113 km/h
- US interstate: 65 mph = 105 km/h
- Hurricane winds start at 74 mph = 119 km/h
How to use it
- Type a number in the From box — the answer appears straight away
- Click Swap (⇄) to convert the other way, from km/h to mph
- Change the units or the category to convert anything else — length, weight, temperature, volume, speed and more
Frequently asked questions
How many km/h is 60 mph?
96.6 km/h.
How many km/h is 70 mph?
112.7 km/h.
How do I convert mph to km/h quickly?
Multiply by 1.6: 50 mph × 1.6 = 80 km/h (exact: 80.5 km/h).
Is my data sent anywhere?
No. The conversion runs in your browser, on your own device.
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