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25 miles per hour to knots

25 miles per hour = 21.72441 knots

Rounded to a practical precision: 21.7 kn.

How the calculation works

One mile per hour is 0.868976 knots, so:

25 mph × 0.868976 = 21.72441 kn

Reversing it, 21.72441 knots ÷ 0.868976 returns 25 miles per hour.

Nearby values

Miles Per HourKnots
21 mph18.2485 kn
22 mph19.11748 kn
23 mph19.98645 kn
24 mph20.85543 kn
25 mph21.72441 kn
26 mph22.59338 kn
27 mph23.46236 kn
28 mph24.33133 kn
29 mph25.20031 kn

About these units

Mile per hour (mph) — Miles per hour is the road speed unit of the United States and United Kingdom.

Knot (kn) — A knot is one nautical mile per hour and is the speed unit used at sea and in aviation.

Frequently asked questions

How many knots is 25 miles per hour?

25 miles per hour is 21.72441 knots.

How do I convert miles per hour to knots myself?

Multiply by 0.868976. To go back, divide by 0.868976 — or multiply by 1.15078.

Is this figure exact?

The conversion factor between the mile per hour and the knot is fixed by definition. The figure above is rounded for readability; the converter carries full precision.

Convert other values

Full miles per hour to knots converter · All speed converters