Speed converter
Miles per Hour to Kilometers per Hour Converter
Convert miles per hour to kilometers per hour with a fixed local formula, visible rounding control, common values, and practical examples.
kph = 1 x 1.609344000
Miles per Hour to Kilometers per Hour formula
kph = mph x 1.609344000
UnitFlip uses fixed, auditable conversion factors in the browser. The result is rounded only for display, so you can adjust precision from 0 to 8 decimal places without sending values to a backend.
Common miles per hour to kilometers per hour conversions
| Miles per Hour | Kilometers per Hour |
|---|---|
| 0 mph | 0 kph |
| 1 mph | 1.61 kph |
| 2 mph | 3.22 kph |
| 5 mph | 8.05 kph |
| 10 mph | 16.09 kph |
| 25 mph | 40.23 kph |
| 50 mph | 80.47 kph |
| 100 mph | 160.93 kph |
How to use this converter
Type a number, paste a value with commas if needed, choose the decimal precision, and copy the visible result. Empty input leaves the result blank; invalid numbers show an inline error.
- 1 mph uses the same formula shown above.
- For planning, compare nearby values in the table before choosing how much to round.
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