mph to km/h
Instantly convert Miles per Hour (mph) to Kilometers per Hour (km/h). Enter a value below to get the result, or use our reference table and formula for quick calculations.
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Conversion Formula
To convert, use this formula:
km/h = mph × 1.60934
Reverse Conversion
mph = km/h × 0.621371
Conversion Table
| Miles per Hour (mph) | Kilometers per Hour (km/h) |
|---|---|
| 10 | 16.09 |
| 20 | 32.19 |
| 30 | 48.28 |
| 40 | 64.37 |
| 50 | 80.47 |
| 60 | 96.56 |
| 70 | 112.65 |
| 80 | 128.75 |
| 90 | 144.84 |
| 100 | 160.93 |
| 120 | 193.12 |
Common Use Cases
🚗 International Travel — Convert US/UK speed limits to km/h when renting cars abroad.
🏎️ Automotive — Compare vehicle specs between American and international markets.
✈️ Weather Reports — Convert wind speeds from mph to km/h.
🏃 Fitness Tracking — Convert running speeds for apps using different units.
Frequently Asked Questions
How many km/h is 1 mph?
1 mph = 1.60934 km/h.
Quick estimate?
Multiply by 1.6. 60 mph ≈ 96 km/h.
What is 60 mph in km/h?
60 mph = 96.56 km/h.
Why do the US and UK use mph?
Both historically used the imperial system. The UK still displays mph on road signs.
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