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## Characteristic speeds

Select a unit:

Field | Object | Speed in | Remarks |
---|---|---|---|

Space | Average orbital speed of Earth around the Sun | info | |

Escape velocity from Earth's gravity | info | ||

Earth equator tangential speed (due to rotation) | info | ||

Average orbital speed of Moon around the Earth | info | ||

Human | Human 100m record top (Usain Bolt, 1009) | info | |

Human 100m record average (Usain Bolt, 2009) | info | ||

Human 1 mile record average (Hicham El Guerrouj, 1999) | info | ||

Human 5K road run record average (Sammy Kipketer, 2000) | info | ||

Human 10000m record average (Kenenisa Bekele, 2005) | info | ||

Human marathon record average (Dennis Kimetto, 2003) | info | ||

Human preferred walking (non athletic) | info | ||

Animals | Peregrine falcon dive | info | |

Black marlin top (estimated by fishing line unwinding) | info | ||

Spine-tailed swift recorded | info | ||

Cheetah top recorded | info | ||

Horse gallop average | info | ||

Nature | Maximum recorded wind gust (not tornado) | info | |

Sound through air (sea level, 20° C) | info | ||

Sound through freshwater (25° C) | info | ||

Seismic p-waves through granite | info | ||

Tsunami travel (at 5km depths) | info | ||

Nazca tectonic plate absolute | info | ||

Gulf stream maximum (near surface) | info | ||

Technology | Bugatti Veyron Super Sport (2010) | info | |

Land record (ThrustSSC 1997) | info | ||

Land record by wheel driven vehicle (Vesco Turbinator 2001) | info | ||

Lockheed SR-71A Blackbird (1976) record | info | ||

General Dynamics F16C Block 50 at sea level | info | ||

Water record (Spirit of Australia, 1978) | info | ||

Class Nimitz aircraft carrier | info | ||

Muzzle velocity of kinetic energy ammunition fired by a tank gun | info | ||

International Space Station average orbital speed | info |

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Table of Contents

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## Convertto all other units

Enter a value to thespeed fieldabove, in order to see the results in this table.

System | Convert to: | Result |
---|---|---|

SI | Millimeters per second [mm/s] | |

Millimeters per hour [mm/h] | ||

Millimeters per day [mm/day] | ||

Millimeters per year [mm/year] | ||

Centimeters per second [cm/s] | ||

Centimeters per hour [cm/h] | ||

Centimeters per day [cm/day] | ||

Centimeters per year [cm/year] | ||

Meters per second [m/s] | ||

Meters per hour [m/h] | ||

Meters per day [m/day] | ||

Meters per year [m/year] | ||

Kilometers per second [km/s] | ||

Kilometers per hour [km/h] | ||

Kilometers per day [km/day] | ||

Kilometers per year [km/year] | ||

Imperial | Inches per second [in/s] | |

Inches per hour [in/h] | ||

Inches per day [in/day] | ||

Inches per year [in/year] | ||

Feet per second [ft/s] | ||

Feet per hour [ft/h] | ||

Feet per day [ft/day] | ||

Feet per year [ft/year] | ||

Yards per second [yd/s] | ||

Yards per hour [yd/h] | ||

Yards per day [yd/day] | ||

Yards per year [yd/year] | ||

Miles per second [mi/s] | ||

Miles per hour [mph] | ||

Miles per day [mi/day] | ||

Miles per year [mi/year] | ||

Knots (naut. miles per hour) [kn] | ||

Empeirical | Mach (sea level, 20° C ) [M] | |

Astronomical | Natural speed units [c] | |

Astronomical units per sec [au/s] | ||

Astronomical units per sec [au/h] | ||

Astronomical units per day [au/day] | ||

Astronomical units per year [au/year] |

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## Relationships between units of speed

Select a unit:

System | Unit | Speed in | Info |
---|---|---|---|

SI | 1 Millimeter per second [mm/s] = | 1 mm/s = 3.6 m/h = 0.001 m/s | |

1 Millimeter per hour [mm/h] = | 1 mm/h ≈ 2.77778 x 10^{-7}m/s | ||

1 Millimeter per day [mm/day] = | 1 mm/day ≈ 1.15741 x 10^{-8}m/s | ||

1 Millimeter per year [mm/year] = | 1 mm/year ≈ 3.1688 x 10^{-11}m/s | ||

1 Centimeter per second [cm/s] = | 1 cm/s = 36 m/h = 0.01 m/s | ||

1 Centimeter per hour [cm/h] = | 1 cm/h ≈ 2.77778 x 10^{-6}m/s | ||

1 Centimeter per day [cm/day] = | 1 cm/day ≈ 1.15741 x 10^{-7}m/s | ||

1 Centimeter per year [cm/year] = | 1 cm/year ≈ 3.1688 x 10^{-10}m/s | ||

1 Meter per second [m/s] = | 1 m/s = 3.6 km/h ≈ 3.2808 ft/s ≈ 2.2369 mph [more...] | ||

1 Meter per hour [m/h] = | 1 m/h ≈ 2.77778 x 10^{-4}m/s [more...] | ||

1 Meter per day [m/day] = | 1 m/day ≈ 1.15741 x 10^{-5}m/s | ||

1 Meter per year [m/year] = | 1 m/year ≈ 3.1688 x 10^{-8}m/s | ||

1 Kilometer per second [km/s] = | 1 km/s = 1000 m/s = 3600 km/h ≈ 2236.9 mph | ||

1 Kilometer per hour [km/h] = | 1 km/h = 1.609344 mph ≈ 0.27778 m/s ≈ 0.91134 ft/s [more...] | ||

1 Kilometer per day [km/day] = | 1 km/day ≈ 11.5741 mm/s | ||

1 Kilometer per year [km/year] = | 1 km/year ≈ 0.031688 mm/s ≈ 0.11408 m/h | ||

Imperial | 1 Inch per second [in/s] = | 1 in/s = 0.0254 m/s = 25.4 mm/s ≈ 0.08333 ft/s [more...] | |

1 Inch per hour [in/h] = | 1 in/h ≈ 2.77778 x 10^{-4}in/s ≈ 7.0555 x 10^{-6}m/s | ||

1 Inch per day [in/day] = | 1 in/day ≈ 1.15741 x 10^{-5}in/s ≈ 2.9398 x 10^{-7}m/s | ||

1 Inch per year [in/year] = | 1 in/year ≈ 3.1688 x 10^{-8}in/s ≈ 8.0488 x 10^{-10}m/s | ||

1 Foot per second [ft/s] = | 1 ft/s = 12 in/s = 0.3048 m/s ≈ 0.68182 mph [more...] | ||

1 Foot per hour [ft/h] = | 1 ft/h ≈ 2.77778 x 10^{-4}ft/s ≈ 8.46667 x 10^{-5}m/s | ||

1 Foot per day [ft/day] = | 1 ft/day ≈ 1.15741 x 10^{-5}ft/s ≈ 3.52778 x 10^{-6}m/s | ||

1 Foot per year [ft/year] = | 1 ft/year ≈ 3.1688 x 10^{-8}ft/s ≈ 9.65853 x 10^{-9}m/s | ||

1 Yard per second [yd/s] = | 1 yd/s = 3 ft/s = 0.9144 m/s ≈ 2.04545 mph | ||

1 Yard per hour [yd/h] = | 1 yd/h ≈ 2.77778 x 10^{-4}yd/s ≈ 2.54 x 10^{-4}m/s | ||

1 Yard per day [yd/day] = | 1 yd/day ≈ 1.15741 x 10^{-5}yd/s ≈ 1.05833 x 10^{-6}m/s | ||

1 Yard per year [yd/year] = | 1 yd/year ≈ 3.1688 x 10^{-8}yd/s ≈ 2.89756 x 10^{-8}m/s | ||

1 Mile per second [mi/s] = | 1 mi/s = 1609.344 m/s = 5 793 638.4 mph | ||

1 Mile per hour [mph] = | 1 mph = 1.609344 km/h = 0.44704 m/s ≈ 1.46667 ft/s [more...] | ||

1 Mile per day [mi/day] = | 1 mi/day ≈ 0.0186267 m/s ≈ 0.73333 in/s | ||

1 Mile per year [mi/year] = | 1 mi/year ≈ 5.09970 x 10^{-5}m/s ≈ 7.2279 in/h | ||

1 Knot (naut. miles per hour) [kn] = | 1 kn = 1.852 km/h ≈ 1.15078 mph ≈ 0.51444 m/s [more...] | ||

Empeirical | 1 Mach (sea level, 20° C ) [M] = | Mach number = the speed of an object relative to the speed of sound in the fluid around it. In standard atmosphere, at sea level, at 20° C, M is equal to 343.2 m/s or 1126 ft/s. [more...] | |

Astronomical | 1 Natural speed unit [c] = | 1 natural speed unit = the speed of light in vacuum = 299792458 m/s [more...] | |

1 Astronomical unit per sec [au/s] = | 1 au/s = 149 597 870.7 km/s ≈ 92955807 mi/s [more...] | ||

1 Astronomical unit per hour [au/h] = | 1 au/h ≈ 41555 km/s ≈ 92955807 mi/s [more...] | ||

1 Astronomical unit per day [au/day] = | 1 au/D ≈ 1731.5 km/s ≈ 1075.9 mi/s. Day is defined as 86400 seconds. [more...] | ||

1 Astronomical unit per year [au/year] = | 4 au/s = 149 597 870.7 km/s ≈ 92955807 mi/s. Year is defined as 365.25 days. [more...] |

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