Conversion category
Speed converters
Speed measures distance travelled per unit of time.
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- break
- centimeter/hour (cm/h)
- centimeter/minute (cm/min)
- centimeter/second (cm/s)
- Centimeters per day (cm/day)
- Centimeters per hour (cm/h)
- Centimeters per minute (cm/min)
- Centimeters per second (cm/s)
- Cosmic velocity - first
- Cosmic velocity - second
- Cosmic velocity - third
- Earth's velocity
- Feet per day (ft/day)
- Feet per hour (ft/h)
- Feet per minute (ft/min)
- Feet per second (ft/s)
- foot/hour (ft/h)
- foot/minute (ft/min)
- foot/second (ft/s)
- Inches per day (in/day)
- Inches per hour (in/h)
- Inches per minute (in/min)
- Inches per second (in/s)
- kilometer/hour (km/h)
- kilometer/minute (km/min)
- kilometer/second (km/s)
- Kilometers per day (km/day)
- Kilometers per hour (kph)
- Kilometers per minute (km/min)
- Kilometers per second (km/s)
- knot (kt, kn)
- knot (UK) (kt (UK))
- Knots (knots)
- Light speed (c)
- Mach (Mach)
- Mach (20°C, 1 atm)
- Mach (SI standard)
- meter/hour (m/h)
- meter/minute (m/min)
- meter/second (m/s)
- Meters per day (meter/day)
- Meters per hour (m/h)
- Meters per minute (m/min)
- Meters per second (m/s)
- Microns per day (µ/day)
- Microns per hour (µ/h)
- Microns per minute (µ/min)
- Microns per second (µ/s)
- mile/hour (mi/h)
- mile/minute (mi/min)
- mile/second (mi/s)
- Miles per day (miles/day)
- Miles per hour (mph)
- Miles per minute (miles/min)
- Miles per second (mi/s)
- millimeter/hour (mm/h)
- millimeter/minute (mm/min)
- millimeter/second (mm/s)
- Millimeters per day (mm/day)
- Millimeters per hour (mm/h)
- Millimeters per minute (mm/min)
- Millimeters per second (mm/s)
- Velocity of light in vacuum
- Velocity of sound in pure water
- Velocity of sound in sea water (20°C, 10 meter deep)
- yard/hour (yd/h)
- yard/minute (yd/min)
- yard/second (yd/s)
- Yards per day (yd/day)
- Yards per hour (yd/h)
- Yards per minute (yd/min)
- Yards per second (yd/s)
Speed converters
Speed measures distance travelled per unit of time. This CalculatorHQ catalog contains 74 canonical units and 2,472 directional conversion routes in this category. Most speed conversions are linear. CalculatorHQ converts each unit through Meters per second and derives the target value from the two canonical scale factors. Unit names that include regional, historical, dry, liquid, survey, or standard-condition qualifiers are treated as distinct definitions.