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Speed Converter
Free speed converter. Convert between kilometer per hour, mile per hour, knot and other speed units.
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Convert between km/h, mph, m/s and knot. Useful for travel, sports and navigation.
Unit conversions
- 1 m/s = 3.6 km/h
- 1 km/h ≈ 0.277778 m/s
- 1 mph ≈ 1.60934 km/h
- 1 knot = 1.852 km/h
Common examples
- Example: 100 km/h ≈ 62.137 mph
- Example: 10 m/s = 36 km/h
Common pitfalls
- Knot is nautical (relative to nautical mile)
- Average speed vs instantaneous speed
FAQ
- How many mph is 100 km/h?
- ≈ 62.137 mph.
- How many m/s is 36 km/h?
- 10 m/s.
Factors per BIPM/NIST. Rounded reasonably.