Calculyn

Speed Converter

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

Results update as you type.

Kilometers per hour

96.56km/h
m/s
26.82
ft/s
88
knots
52.14
Kilometers per hour96.56

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How it works

Every unit is converted through meters per second. 1 mph = 1.609344 km/h; 1 knot = 1 nautical mile (1,852 m) per hour.

Formula

km/h = mph × 1.609344 · m/s = km/h ÷ 3.6

Example

60 mph = 96.56 km/h = 26.82 m/s = 88 ft/s = 52.14 knots.

Assumptions & limitations

  • Results are rounded for display.

Frequently asked questions

Why do boats and planes use knots?

A nautical mile matches one minute of latitude, which makes navigation math easier.