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🏃 Speed & Velocity Converter

Convert between different speed and velocity measurements

Quick Conversions

100 km/h = 62.1 mph
Highway speed conversion
60 mph = 96.6 km/h
US to metric speed
10 m/s = 36 km/h
Running speed
500 knots = 575 mph
Aircraft speed
Mach 1 = 1,235 km/h
Speed of sound
Speed of light = 3×10⁸ m/s
Ultimate speed limit

Speed Visualization

Enter speed
Enter speed above to see on speedometer
🚶
Walking
~5 km/h / 3.1 mph
Average human walking
🚴
Cycling
~25 km/h / 15.5 mph
Recreational cycling
🏃
Marathon Runner
~21 km/h / 13 mph
Elite marathon pace
🚗
Highway Driving
~120 km/h / 75 mph
Typical highway speed
🚄
High-Speed Train
~300 km/h / 186 mph
Bullet train speed
✈️
Commercial Jet
~900 km/h / 559 mph
Cruising altitude

Mach Numbers & Supersonic Speeds

Mach 1
Speed of Sound
1,235 km/h / 767 mph
Mach 2
Supersonic
2,470 km/h / 1,534 mph
Mach 5
Hypersonic
6,174 km/h / 3,836 mph
Mach 25
Re-entry Speed
30,870 km/h / 19,180 mph

Common Speed Conversions Reference

Speed m/s km/h mph Context
Walking 1.4 m/s 5 km/h 3.1 mph Average human walking pace
Running 5 m/s 18 km/h 11.2 mph Moderate jogging speed
Cycling 7 m/s 25 km/h 15.5 mph Recreational cycling
City driving 14 m/s 50 km/h 31 mph Urban speed limit
Highway 33 m/s 120 km/h 75 mph Highway cruising speed
High-speed train 83 m/s 300 km/h 186 mph Bullet train
Commercial jet 250 m/s 900 km/h 559 mph Cruising speed
Sound 343 m/s 1,235 km/h 767 mph Mach 1 at sea level