Convert mile per hour to knot

1 mph = 0.8689762419 kn

1 mph = 0.86898 kn
1 mph in every speed unit
millimeter per year14,108,000,000 mm/yr
millimeter per day38,624,000 mm/day
millimeter per hour1,609,300 mm/h
inch per day1,520,600 in/day
foot per day126,720 ft/d
inch per hour63,360 in/h
meter per day38,624 m/d
millimeter per minute26,822 mm/min
meter per hour1,609.3 m/h
inch per minute1,056 in/min
millimeter per second447.04 mm/s
foot per minute88 ft/min
centimeter per second44.704 cm/s
meter per minute26.822 m/min
inch per second17.6 in/s
kilometer per hour1.6093 km/h
foot per second1.4667 ft/s
mile per hour1 mph
knot0.86898 kn
meter per second0.44704 m/s
mach (sea level)0.0013137 Ma
kilometer per second0.00044704 km/s
speed of light1.4912e-09 c
How the conversion works

Multiply by 0.8689762419 to go from mile per hour to knot, or divide by it to go back. Every conversion on this site routes through the SI value (m/s) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? knot to mile per hour — 1 kn = 1.150779448 mph.

mile per hour to knot — common values
1 mph0.86897624 kn
2 mph1.7379525 kn
3 mph2.6069287 kn
5 mph4.3448812 kn
10 mph8.6897624 kn
15 mph13.034644 kn
20 mph17.379525 kn
25 mph21.724406 kn
50 mph43.448812 kn
75 mph65.173218 kn
100 mph86.897624 kn
250 mph217.24406 kn
500 mph434.48812 kn
1000 mph868.97624 kn