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Speed converter
Convert distance per unit of time, including kilometers per hour, miles per hour and knots.
YOUR RESULT
1 km/h=mi/h
FormulaResult = value × 0.621371192237
Rates By Exchange Rate API · BTC reference: Coinbase
Instant calculation
How to convert speed
Choose the original unit and the unit you need, then enter a value. You can also edit the result field to calculate in reverse.
Result = value × 0.621371192237
Example: 1 kilometer/hour = 0.621371192237 mile/hour.
The displayed formula is rounded for readability. Calculations use the stored conversion factors; selecting more digits changes display precision, not the certainty of the source definition.
Quick conversion table
| kilometer/hour | mile/hour |
|---|---|
| 1 km/h | 0.621371192237 mi/h |
| 2 km/h | 1.24274238447 mi/h |
| 5 km/h | 3.10685596119 mi/h |
| 10 km/h | 6.21371192237 mi/h |
| 20 km/h | 12.4274238447 mi/h |
| 50 km/h | 31.0685596119 mi/h |
| 100 km/h | 62.1371192237 mi/h |
| 1000 km/h | 621.371192237 mi/h |
Convert to every speed unit
Based on your input above| Unit | Symbol | Result |
|---|---|---|
| meter/second | m/s | 0.2777777778 |
| kilometer/hour | km/h | 1 |
| mile/hour | mi/h | 0.6213711922 |
| meter/hour | m/h | 1000 |
| meter/minute | m/min | 16.66666667 |
| kilometer/minute | km/min | 0.01666666667 |
| kilometer/second | km/s | 0.0002777777778 |
| centimeter/hour | cm/h | 100000 |
| centimeter/minute | cm/min | 1666.666667 |
| centimeter/second | cm/s | 27.77777778 |
| millimeter/hour | mm/h | 1000000 |
| millimeter/minute | mm/min | 16666.66667 |
| millimeter/second | mm/s | 277.7777778 |
| foot/hour | ft/h | 3280.839895 |
| foot/minute | ft/min | 54.68066492 |
| foot/second | ft/s | 0.9113444153 |
| yard/hour | yd/h | 1093.613298 |
| yard/minute | yd/min | 18.22688831 |
| yard/second | yd/s | 0.3037814718 |
| mile/minute | mi/min | 0.01035618654 |
| mile/second | mi/s | 0.000172603109 |
| knot | kt, kn | 0.5399568035 |
| knot (UK) | kt (UK) | 0.5396118248 |
| Velocity of light in vacuum | Velocity of light in vacuum | 9.265669311e-10 |
| Cosmic velocity - first | Cosmic velocity - first | 0.00003516174402 |
| Cosmic velocity - second | Cosmic velocity - second | 0.0000248015873 |
| Cosmic velocity - third | Cosmic velocity - third | 0.000016663334 |
| Earth's velocity | Earth's velocity | 0.000009332362768 |
| Velocity of sound in pure water | Velocity of sound in pure water | 0.000187345908 |
| Velocity of sound in sea water (20°C, 10 meter deep) | Velocity of sound in sea water (20°C, 10 meter deep) | 0.0001825563734 |
| Mach (20°C, 1 atm) | Mach (20°C, 1 atm) | 0.0008084335791 |
| Mach (SI standard) | Mach (SI standard) | 0.0009414715034 |