Speed Converter

Miles per Hour to Kilometers per Hour Converter, mph to km/h

Convert Miles per Hour (mph) to Kilometers per Hour (km/h) and back. Enter any value below.

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Popular Speed Converter Conversions

Kilometers per Hour to Miles per Hour Miles per Hour to Kilometers per Hour Meters per Second to Kilometers per Hour Kilometers per Hour to Meters per Second Knots to Kilometers per Hour Knots to Miles per Hour Miles per Hour to Meters per Second

How to Convert Miles per Hour to Kilometers per Hour

To convert miles per hour to kilometers per hour, multiply the value in miles per hour by the conversion factor. The exact factor depends on the two units involved.

Kilometers per Hour = Miles per Hour × conversion factor

The conversion factor is shown in the formula field above after you enter a value.

Reference Table: Miles per Hour to Kilometers per Hour

Miles per Hour (mph)Kilometers per Hour (km/h)