Miles per Hour to Knots Converter

Miles per Hour to Knots Converter

Knots
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km/h
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1 mph = 0.868976 knots · 1 mph = 1.60934 km/h

How to convert mph to knots

To convert miles per hour to knots, multiply by 0.868976. For example, 60 mph × 0.868976 = 52.139 knots. Going the other way, multiply knots by 1.15078 to get mph.

To convert mph to km/h, multiply by 1.60934. So 60 mph × 1.60934 = 96.561 km/h.

1 knot = 1 nautical mile per hour = 1.15078 mph = 1.852 km/h. Knots are used in aviation and maritime navigation. MPH is used for road speeds in the US and UK.

MPH to knots conversion table

MPH Knots km/h
10 mph8.690 kn16.093 km/h
20 mph17.380 kn32.187 km/h
30 mph26.069 kn48.280 km/h
40 mph34.759 kn64.374 km/h
50 mph43.449 kn80.467 km/h
60 mph52.139 kn96.561 km/h
100 mph86.898 kn160.934 km/h
500 mph434.488 kn804.672 km/h

Frequently asked questions

How many knots is 1 mph?
1 mph = 0.868976 knots = 1.60934 km/h.
How many knots is 100 mph?
100 mph = 86.898 knots. Calculation: 100 × 0.868976 = 86.9 knots.
What is a knot in mph?
1 knot = 1.15078 mph = 1.852 km/h. A knot is one nautical mile per hour. 1 nautical mile = 1.15078 statute miles.
Why do planes and ships use knots instead of mph?
Knots are used because nautical miles relate directly to degrees of latitude on Earth, making navigation calculations simpler. 1 nautical mile = 1 arcminute of latitude.
How fast is 500 knots in mph?
500 knots = 575.39 mph = 926 km/h. This is approximately the cruising speed of a commercial jet aircraft.