Miles per Hour to Knots converter

Convert miles per hour (mph) to knots (kn) — results update instantly as you type.

Miles per Hour to Knots

To0.868976

1 mph = 0.86897624 kn

How to convert Miles per Hour to Knots

Speed units depend on context: road signs use km/h or mph, physics uses meters per second, and ships and aircraft use knots. Converting between them is essential for travel, sport, and science.

Everything converts through meters per second. One km/h is exactly 1/3.6 m/s, one mph is exactly 0.44704 m/s, and one knot is one nautical mile per hour — about 0.5144 m/s.

Formula

mph × 0.868976242 = kn

Multiply your miles per hour value by 0.868976242 to get knots. For the reverse, divide by the same factor.

Miles per Hour to Knots conversion table

Miles per HourKnots
1 mph0.868976 kn
2 mph1.737952 kn
5 mph4.344881 kn
10 mph8.689762 kn
25 mph21.724406 kn
100 mph86.897624 kn

Common use cases

  • Understanding foreign speed limits while driving abroad
  • Wind speed readings between knots and km/h
  • Running and cycling pace comparisons
  • Physics problems requiring SI units

Frequently asked questions

Multiply mph by 1.609344. For a quick estimate, multiply by 1.6 — so 60 mph is about 96 km/h (exactly 96.56).