Speed Converter
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Popular speed conversions
KM/H
km/h to mph
Convert kilometers per hour to miles per hour for speed limits and vehicle specs.
Launch tool → MPHmph to km/h
Convert miles per hour to kilometers per hour — the metric speed standard.
Launch tool → M/Sm/s to km/h
Convert meters per second to kilometers per hour for physics and engineering.
Launch tool → KNkn to mph
Convert knots to miles per hour for marine and aviation speed conversions.
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Enter a value and unit — every other unit updates live, including knots for marine/aviation use.
| Unit | Value |
|---|
Reference conversions
| Conversion | Result |
|---|---|
| 100 km/h to mph | 62.137 mph |
| 60 mph to km/h | 96.561 km/h |
| 1 m/s to km/h | 3.6 km/h |
| 1 knot to km/h | 1.852 km/h |
| 1 knot to mph | 1.15078 mph |
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