Miles per hour to Knots Conversion

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To:

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mi/h

Output value:

How to convert miles per hour to knots

1 mile per hour is equal to 0.86897624 knots:

1 mi/h = 0.86897624 kn

When a speed V in miles per hour is multiplied by 0.86897624, it gives speed in knots.

V_kn = V_mi/h × 0.86897624

Example

To convert 30 miles per hour into knots, it is multiplied by 0.86897624:

(30 mi/h) × 0.86897624 = 26.06928726 kn

Miles per hour

Miles per hour is a British imperial and United States customary unit of speed. It is equal to the the number of miles traveled in one hour. The unit symbols are mph or mi/h.

Knots

Miles per hour is a unit of speed equal to the the number of nautical miles traveled in one hour. One knot is exactly equal to 1.852 km/h. The unit symbols are kn or kt.

A nautical mile is a unit of length used in air, marine, and space navigation, and for the definition of territorial waters. Historically, it was defined as one minute (¹⁄₆₀ of a degree) of latitude along any line of longitude. Presently, the international nautical mile is defined as exactly 1852 meters.

Quick Conversion Table

The quick mile per hour to knot conversion table is given below:

Miles per hour	Knots
10 mi/h	8.69 kn
20 mi/h	17.38 kn
30 mi/h	26.069 kn
40 mi/h	34.759 kn
50 mi/h	43.449 kn
60 mi/h	52.139 kn
70 mi/h	60.828 kn
80 mi/h	69.518 kn
90 mi/h	78.208 kn
100 mi/h	86.898 kn