Speed Converter
Convert between 8 speed units instantly. Click any result to copy.
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Enter a value to see the conversion.
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All Conversions for This Value
| Unit | Value |
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About This Speed Converter
This tool supports 8 commonly used speed units for instant conversion:
- Meters per second (m/s): The SI standard unit of speed
- Kilometers per hour (km/h): Most common everyday speed unit
- Miles per hour (mph): Used in the US and UK for road speeds
- Knots (kn): Used in maritime and aviation navigation
- Feet per second (ft/s): Imperial speed unit
- Mach (Ma): Multiples of the speed of sound, used in aerospace
- Speed of light (c): The fastest speed in the universe
- Centimeters per second (cm/s): Used in scientific measurements
All results update in real-time as you type. Click any row in the table to copy its value.
Common Speed References
Walking speed ≈ 5 km/h ≈ 3.1 mph
City speed limit ≈ 50 km/h ≈ 31 mph
Highway speed limit ≈ 120 km/h ≈ 75 mph
High-speed train ≈ 350 km/h ≈ 217 mph
Speed of sound = 1 Mach ≈ 1,235 km/h ≈ 767 mph
Speed of light = 1 c ≈ 299,792 km/s ≈ 186,282 mi/s