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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 |
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] |
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 10-7m/s | ||
| 1 Millimeter per day [mm/day] = | 1 mm/day ≈ 1.15741 x 10-8m/s | ||
| 1 Millimeter per year [mm/year] = | 1 mm/year ≈ 3.1688 x 10-11m/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 10-6m/s | ||
| 1 Centimeter per day [cm/day] = | 1 cm/day ≈ 1.15741 x 10-7m/s | ||
| 1 Centimeter per year [cm/year] = | 1 cm/year ≈ 3.1688 x 10-10m/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 10-4m/s [more...] | ||
| 1 Meter per day [m/day] = | 1 m/day ≈ 1.15741 x 10-5m/s | ||
| 1 Meter per year [m/year] = | 1 m/year ≈ 3.1688 x 10-8m/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 10-4in/s ≈ 7.0555 x 10-6m/s | ||
| 1 Inch per day [in/day] = | 1 in/day ≈ 1.15741 x 10-5in/s ≈ 2.9398 x 10-7m/s | ||
| 1 Inch per year [in/year] = | 1 in/year ≈ 3.1688 x 10-8in/s ≈ 8.0488 x 10-10m/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 10-4ft/s ≈ 8.46667 x 10-5m/s | ||
| 1 Foot per day [ft/day] = | 1 ft/day ≈ 1.15741 x 10-5ft/s ≈ 3.52778 x 10-6m/s | ||
| 1 Foot per year [ft/year] = | 1 ft/year ≈ 3.1688 x 10-8ft/s ≈ 9.65853 x 10-9m/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 10-4yd/s ≈ 2.54 x 10-4m/s | ||
| 1 Yard per day [yd/day] = | 1 yd/day ≈ 1.15741 x 10-5yd/s ≈ 1.05833 x 10-6m/s | ||
| 1 Yard per year [yd/year] = | 1 yd/year ≈ 3.1688 x 10-8yd/s ≈ 2.89756 x 10-8m/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 10-5m/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...] |