Convert Mile per Hour to Knot

Instant speed conversion, with the formula and a full reference table.

1 mph 0.86897624 kn

1 kn = 1.1508 mph

How to convert Mile per Hour to Knot

Multiply the number of mile per hour by 0.86897624.

kn = mph ร— 0.86897624

To go the other way, divide instead โ€” or multiply by 1.1508.

Worked example

To convert 25 mph: 25 ร— 0.86897624 = 21.7244 kn.

Mile per Hour to Knot conversion table

Mile per Hour (mph) Knot (kn)
1 0.86897624
2 1.738
3 2.6069
5 4.3449
10 8.6898
20 17.3795
25 21.7244
50 43.4488
100 86.8976
250 217.24
500 434.49
1,000 868.98