kilometer per hour (km/h) → mile per hour (mph)
1 km/h = 0.621 mph · ⇄ mile per hour (mph) → kilometer per hour (km/h)
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All units in this category
| Converted Value | ||
|---|---|---|
| meter per second | m/s | — |
| kilometer per hour | km/h | — |
| mile per hour | mph | — |
| knot | kn | — |
| foot per second | ft/s | — |
| kilometer per second | km/s | — |
| centimeter per second | cm/s | — |
| inch per second | in/s | — |
| Mach | Ma | — |
| speed of light | c | — |
Conversion Formula & Definition
mph = km/h × 0.621
1 kilometer per hour (km/h) = 0.621 mile per hour (mph).
Popular Conversions (Speed)
Quick Conversion Reference Table: kilometer per hour (km/h) → mile per hour (mph)
| kilometer per hour (km/h) | mile per hour (mph) |
|---|---|
| 0.1 km/h | 0.0621 mph |
| 0.5 km/h | 0.311 mph |
| 1 km/h | 0.621 mph |
| 2 km/h | 1.24 mph |
| 5 km/h | 3.11 mph |
| 10 km/h | 6.21 mph |
| 20 km/h | 12.43 mph |
| 50 km/h | 31.07 mph |
| 100 km/h | 62.14 mph |
| 250 km/h | 155.34 mph |
| 500 km/h | 310.69 mph |
| 1,000 km/h | 621.37 mph |