Km/h to Mph
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kph
mph
Quick reference
| Km/h (kph) | Mph (mph) |
|---|
Formula
mph = km/h × 0.621371
Multiply the km/h value by 0.621371 to get mph. To reverse — divide mph by 0.621371 to get km/h.
About this conversion
Kilometers per hour (km/h) is the standard speed unit used in most countries for road speed limits and vehicle speed. Learn more →
Miles per hour (mph) is the speed unit used in the United States and United Kingdom for road speeds. Learn more →
Source: NIST International Reference