Speed Converter
Convert any speed between the units used for driving, sports, aviation, and physics.
- kilometer/hour3.600
- mile/hour2.237
- knot1.944
- foot/second3.281
How it works
1 m/s = 3.6 km/h = 2.23694 mph = 1.94384 kn.
60 mph ≈ 96.56 km/h ≈ 26.82 m/s.
Frequently asked questions
- Mach number?
- Mach 1 is the local speed of sound (~343 m/s at sea level, 20 °C).
- Knots?
- 1 nautical mile per hour, used in aviation and shipping.
- Terminal velocity?
- Depends on shape and altitude; skydivers ~53 m/s in belly position.
- Speed of light?
- Exactly 299,792,458 m/s.
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