Miles per hour to Knots

Convert miles per hour to knots instantly. 1 mph = 0.868976 kn

Result

47.794kn

55 mph = 47.794 knotsFormula: mph ÷ 1.15078

Quick answers

Miles per hour to Knots conversion table

Miles per hour (mph)Knots (kn)
5 mph4.3449 kn
10 mph8.6898 kn
15 mph13.035 kn
20 mph17.38 kn
25 mph21.724 kn
30 mph26.069 kn
35 mph30.414 kn
40 mph34.759 kn
45 mph39.104 kn
Miles per hour (mph)Knots (kn)
50 mph43.449 kn
55 mph47.794 kn
60 mph52.139 kn
65 mph56.483 kn
70 mph60.828 kn
75 mph65.173 kn
80 mph69.518 kn
100 mph86.898 kn

Conversion formula

knots = miles per hour × 0.8689762419

Example: 55 mph × 0.8689762419 = 47.794 kn

Miles per hour is the road-speed unit in the US and UK; 1 mph is exactly 0.44704 m/s. A knot is one nautical mile per hour, used at sea and in aviation.

You may also see this conversion written as “mph to knots”.

Questions

How many knots are in one mile per hour?

One mile per hour is 0.868976242 knots.

How do you convert miles per hour to knots?

Multiply by 0.8689762419. The factor comes from the exact definitions of both units, so the only rounding is in the display.

Updated