Speed Converters: mph, km/h, Knots and Metres per Second
Speed limits in the UK are in miles per hour, most of the world uses kilometres per hour, science uses metres per second and pilots and sailors use knots. These converters cover each common pair with the exact factor.
Type a speed to see it in the other unit at once. The reference tables include everyday speeds such as 30 mph and 70 mph so you can check the results at a glance.
Miles per Hour to Kilometres per HourConvert miles per hour to kilometres per hour (mph to km/h) with the formula and a quick table.Kilometres per Hour to Miles per HourConvert kilometres per hour to miles per hour (km/h to mph) with the formula and a quick table.Knots to Miles per Hour ConverterConvert knots to miles per hour (kn to mph) with the formula and a quick table.Miles per Hour to Knots ConverterConvert miles per hour to knots (mph to kn) with the formula and a quick table.Metres per Second to Kilometres per HourConvert metres per second to kilometres per hour (m/s to km/h) with the formula and a quick table.Kilometres per Hour to Metres per SecondConvert kilometres per hour to metres per second (km/h to m/s) with the formula and a quick table.Speed ConverterConvert mph, km/h, metres per second, knots and Mach, with a handy speed table.
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