kn = 1 x 0.8689762419

Miles per Hour to Knots formula

kn = mph x 0.8689762419

UnitFlip uses fixed, auditable conversion factors in the browser. The result is rounded only for display, so you can adjust precision from 0 to 8 decimal places without sending values to a backend.

Common miles per hour to knots conversions

Miles per HourKnots
0 mph0 kn
1 mph0.87 kn
2 mph1.74 kn
5 mph4.34 kn
10 mph8.69 kn
25 mph21.72 kn
50 mph43.45 kn
100 mph86.9 kn

How to use this converter

Type a number, paste a value with commas if needed, choose the decimal precision, and copy the visible result. Empty input leaves the result blank; invalid numbers show an inline error.

  • 1 mph uses the same formula shown above.
  • For planning, compare nearby values in the table before choosing how much to round.
Caveat: Speed conversions are general references, not legal driving or safety advice.

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