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Speed Converter

Convert between common speed units. All conversions pass through metres per second, derived from the exact length and time definitions.

Result

1.60934

1 Miles per hour (mph) = 1.60934 Kilometers per hour (km/h)

About these conversions

  • All conversions pass through the metre per second as the base unit.
  • 1 mph = 0.44704 m/s exactly (via 1 mile = 1,609.344 m).
  • 1 knot = 1 nautical mile per hour ≈ 1.852 km/h exactly.