How to convert Miles per hour to kilometres per hour
km/h = mph × 1.609344
Multiply the mph reading by 1.609344.
Worked examples
30 mph ≈ 48.28032 km/h
30 × 1.609344 ≈ 48.28032
60 mph ≈ 96.56064 km/h
60 × 1.609344 ≈ 96.56064
Miles per hour to kilometres per hour converter
Convert miles per hour (mph) to kilometres per hour (km/h).
Speed converter
Instant conversionEdit either value. Decimals and scientific notation supported.
mph
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km/h
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CONVERSION
1 mph ≈ 1.609344 km/h
Precision changes displayed rounding, not calculation accuracy.
FORMULA
km/h = mph × 1.609344Miles per hour to kilometres per hour table
Fixed reference · Miles per hour to Kilometres per hour
Reference values use this page’s named pair and default context. Calculator precision and font settings do not change this table.
| Miles per hour (mph) | Kilometres per hour (km/h) |
|---|---|
| 0 | 0 |
| 0.1 | 0.1609344 |
| 0.5 | 0.804672 |
| 1 | 1.609344 |
| 2 | 3.218688 |
| 5 | 8.04672 |
| 10 | 16.09344 |
| 25 | 40.2336 |
| 50 | 80.4672 |
| 100 | 160.9344 |
| 1000 | 1609.344 |
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