Speed converter

Below are speed converter of various measurement systems, including:


Metric system

Metric system — international decimal system of units used in most countries.

  1. kilometre per second (km/s)

  2. metre per second (m/s)

  3. kilometre per hour (km/h)

  4. metre per minute (m/min)

  5. metre per hour (m/h)

  6. centimetre per second (cm/s)

  7. millimetre per second (mm/s)

American units

American units — speed units used in the USA and some other countries.

  1. mile per second (mi/s)

  2. mile per hour (mph)

  3. foot per second (ft/s)

  4. foot per minute (ft/min)

  5. foot per hour (ft/h)

  6. inch per second (in/s)

  7. inch per minute (in/min)

  8. inch per hour (in/h)

British (imperial) units

British (imperial) units — traditional British (imperial) speed units.

  1. knot (nautical mile per hour)

  2. league per hour

  3. yard per second (yd/s)

  4. yard per minute (yd/min)

  5. yard per hour (yd/h)

Nautical units

Nautical units — speed units used in navigation and aviation.

  1. knot (kn)

  2. cable per minute

  3. nautical mile per minute

  4. nautical mile per hour

Units of other countries

Units of other countries — traditional speed units used in various countries.

  1. ri (Japanese unit) per hour

  2. li (Chinese unit) per hour

  3. farsakh (Arabic unit) per day

  4. yojana (Indian unit) per hour

Astronomical units

Astronomical units — speed units used in astronomy to measure cosmic distances.

  1. speed of light (c)

  2. astronomical unit per second (au/s)

  3. parsec per year (pc/yr)

  4. light-year per year (ly/yr)

Exotic/historical units

Exotic/historical units — unusual and historical speed units.

  1. Mach number (at sea level)

  2. bullet speed (7.62×39 mm)

  3. cheetah speed (max)

  4. snail speed

  5. turtle speed

  6. bamboo growth rate (per day)