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Speed Conversion

Online Speed Conversion: converts between metric, English, and scientific speed units including MPH, Km/h, speed of light, speed of sound in air, etc..

Calculator

Input the quantity you would like to convert in the first input box, select the units to convert, and the result will appear in the second input box immediately.

The below Mach number and the speed of sound are calculated at a temperature of 15 degrees Celsius in the Earth's atmosphere.

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meter/second (m/s)

meter/second (m/s)

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Related Information

1. The fastest:

The fastest land animal in the world is the cheetah. It can reach the speed of 75 miles per hour.

The fastest fish in the world is the sailfish. It can reach the speed of nearly 70 miles per hour.

The fastest bird in the world is the peregrine falcon. It can reach the speed of 200 miles per hour.

The fastest man in the world is Jamaican sprinter Usain Bolt, who holds the world record of 9.58 seconds for 100 meter dash.


2. The slowest:

The slowest animal in the world is the coral. It does not move.

The slowest mammal in the world is the sloth. It only moves when necessary and can only reach the fastest speed of 2 meters per minute on the ground.


More Information: More about Speed    Fastest Animals in the World    Slowest Animals in the World