Understanding Speed Units
Common Speed Units
- Kilometers per hour (km/h):
- Standard unit in most countries
- Used for vehicle speeds
- Road speed limits
- Miles per hour (mph):
- Used in US and UK
- Vehicle speedometers
- Weather reports
Scientific Units
- Meters per second (m/s):
- SI unit of velocity
- Used in physics
- Scientific calculations
- Mach number:
- Ratio to speed of sound
- Aviation and aerospace
- Supersonic speeds
Maritime and Aviation
- Knots (kn):
- Nautical miles per hour
- Marine navigation
- Aviation speeds
- Wind speed measurement