Km/hour (km/h) to Miles/hour (mph)
1 km/h = 0.621372 mph · Free instant converter, no signup required.
Direct Answer
1 km/h = 0.621372 mph
Formula: mph = km/h × 0.621372. This page supports instant conversion, reference table checks, and related unit links.
About this conversion
Kilometers per hour (km/h) is the metric unit for speed used in most countries for road travel, weather, and sports.
Miles per hour (mph) is used in the US and UK for road speed, vehicle performance, and weather reporting.
Typical uses
- Converting international speed limits for US/UK drivers
- Understanding European car specifications
- Wind speed in weather reports
Common reference values
- 1 km/h = 0.621372 mph
- 10 km/h = 6.213717 mph
- 100 km/h = 62.137169 mph
Tip: Divide km/h by 1.6 (or multiply by 0.6) for a quick mph estimate. So 120 km/h ÷ 1.6 = 75 mph.
Educational reference — always verify critical measurements (medical, engineering, legal) with primary sources.
// kph Conversion table mph
| Km/hour (km/h) (km/h) | Miles/hour (mph) (mph) |
|---|---|
| 1 km/h | 0.621372 mph |
| 2 km/h | 1.242743 mph |
| 5 km/h | 3.106858 mph |
| 10 km/h | 6.213717 mph |
| 20 km/h | 12.427434 mph |
| 25 km/h | 15.534292 mph |
| 50 km/h | 31.068584 mph |
| 100 km/h | 62.137169 mph |
| 250 km/h | 155.34292 mph |
| 500 km/h | 310.68584 mph |
| 1000 km/h | 621.37169 mph |
How to convert
Km/hour (km/h) → Miles/hour (mph)
To convert from Km/hour (km/h) (km/h) to Miles/hour (mph) (mph)，multiply your value by 0.621372.
For example，10 km/h = 6.213717 mph.
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