iSmart Measure Open converter →

Mile / hour to Knot

Convert mile / hour (mph) to knot (kn) — with the exact factor, a quick-reference table and a free converter that works offline.

1 mph = 0.8689762 kn

Try it

Open the free converter with this conversion pre-loaded — no sign-up, works offline after first load.

Conversion table

Mile / hour (mph)Knot (kn)
1 mph0.8689762 kn
2 mph1.737952 kn
5 mph4.344881 kn
10 mph8.689762 kn
20 mph17.37952 kn
50 mph43.44881 kn
100 mph86.89762 kn
500 mph434.4881 kn

How the conversion works

Both units measure speed. One mile / hour equals exactly 0.8689762 kn, so multiply by that factor to convert. 1 nautical mile per hour.

FAQ

How many knots in a mile / hour?

1 mph = 0.8689762 kn.

How do I convert mile / hour to knot?

Multiply the mile / hour value by 0.8689762. For example, 10 mph × 0.8689762 = 8.689762 kn.

Where does the factor come from?

The conversion factor is defined in NIST SP 811; both units are speed units converted through meter / second.

Related conversions

Knot to Mile / hour Kilometer / hour to Mile / hour Mile / hour to Kilometer / hour Meter / second to Kilometer / hour

Conversion factors: NIST SP 811. Computed by the same engine that powers the app.

Powered by iSmart Web