Speed Converter

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Convert mph, km/h, meters per second, knots and feet per second.

Value

From

Change the value or the units to convert instantly.

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Quick conversions

From	Equals
60 mph	96.5606 km/h
100 km/h	62.1371 mph
1 knot	1.852 km/h

Formula & method

All speeds convert through meters per second: value × (from-factor ÷ to-factor). 1 mph = 0.44704 m/s; 1 km/h = 1/3.6 m/s.

Worked example

60 mph = 96.5606 km/h. 100 km/h = 62.1371 mph. 1 knot = 1.852 km/h.

FAQ

What is a knot?: One nautical mile per hour, or 1.852 km/h. It is the standard speed unit in aviation and shipping.
Why do speed limits differ by country?: Most countries use km/h; the US and UK use mph. This converter covers both.
How fast is 100 km/h in mph?: 62.14 mph.

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