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MEASUREMENT

Measurement converter

Convert lengths, speeds, temperatures, and more. Try a fraction or a compound unit.

Enter a value and unit, like 5 kilometers.
A unit, like miles, cm, or liters.
Try an example5 kilometers to miles1/5 gallon to liters0 °F to °C

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Conversion result

                           299792458 meter
speed of light in vacuum = ---------------
                               second     
                (velocity)
Try converting from "speed of light" to admiralty knot, fps (feet per second), ips (inches per second), knot (nautical miles per hour), kph (kilometers per hour), mach (at sea level & 32 dF), mph (miles per hour), warp (speed), or any combination of units which equate to "length / time" and represent corrosion rate, flow rate to area volume basis, linear speed, linear velocity, mass transfer coefficient, speed, velocity, velocity linear, or volume basis flow rate to area.

Sample conversions

speed of light = 582,377,599.2 admiralty knot, 983,571,056.43 fps (feet per second), 11,802,852,677.17 ips (inches per second), 582,749,918.36 knot (nautical miles per hour), 1,079,252,848.8 kph (kilometers per hour), 904,460.44 mach (at sea level & 32 dF), 670,616,629.38 mph (miles per hour), 10 warp (speed).

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