Speed conversion

Convert Mile per hour to Knot

1 mile per hour (mph) equals 0.868976241901 knot (kn). Enter any value below to convert from mph to kn.

Enter a value and choose units. Results update instantly.

1 mph = 0.8689762419 kn

All Speed units

From 1 mph
UnitValue
Meter per second m/s 0.44704
Kilometer per hour km/h 1.609344
Mile per hour mph 1
Knot kn 0.8689762419
Foot per second ft/s 1.4666666667
Centimeter per second cm/s 44.704
Speed of light c 0.0000000015
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Formula

mph to kn conversion formula

Use this relationship for a direct conversion:

kn = mph x 0.868976241901

Worked example

2 mph = 1.7379524838 kn.

All listed factors are fixed by exact length and time definitions.

Quick reference

Mile per hour to Knot table

Mile per hour (mph)Knot (kn)
0.010.0086897624
0.10.0868976242
10.8689762419
21.7379524838
54.3448812095
108.689762419
2521.7244060475
5043.448812095
10086.8976241901
1,000868.9762419006

From unit

About the mile per hour

One international mile traveled in one hour.

Symbol: mph

To unit

About the knot

One nautical mile per hour.

Symbol: kn

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Conversion standard

Definitions are checked against BIPM SI Brochure and international unit definitions. Calculations use full internal precision before display rounding.

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Questions

mph to kn FAQ

How do you convert mile per hour to knot?

Use the formula kn = mph x 0.868976241901. 1 mile per hour (mph) equals 0.868976241901 knot (kn).

Is the mph to kn conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.