MPH to Knots Converter

Convert miles per hour to knots instantly, and knots back to mph. Based on 1 mile = 1609.344 m and 1 nmi = 1852 m.

Independently verified for accuracy

Calculator by Toolsloft ↗
Result
0.868976 Knots (kn)
Conversion
1 Miles per hour (mph) = 0.868976 Knots (kn)

Convert miles per hour to knots, and knots back to miles per hour. Boating, aviation, and weather reports use knots, while road speeds use miles per hour. Enter the value and read the answer.

How this is calculated

One mile per hour is 1609.344 meters per hour and one knot is 1852 meters per hour, so miles per hour are multiplied by 1609.344 divided by 1852 to get knots. Both definitions are exact, and results are shown to six decimal places.

How to use

  1. Enter the speed in miles per hour.
  2. Keep the direction on mph to knots, or press Swap units for knots to mph.
  3. Read the result in knots.

Examples

  • 1 miles per hour: 1 mph = 0.868976 kn
  • 60 mph: 60 mph = 52.138575 kn
  • Reverse: 10 kn = 11.507794 mph

FAQ

How many knots is 1 mph?
About 0.868976 knots, from 1609.344 meters divided by 1852 meters.
What is a knot?
A knot is one nautical mile per hour, used in marine and air navigation.

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