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Knots to Miles per Hour Converter

Convert knots to miles per hour instantly. Type a value, change either unit, or press swap to go the other way. 1 knot = 1.1507794 miles per hour.

1.1507794

1 knot = 1.1507794 miles per hour

How to convert knots to miles per hour

miles per hour = knots × 1.150779448

To convert knots to miles per hour, multiply the value by 1.150779448. To go back from miles per hour to knots, divide by the same number (or multiply by 0.8689762419).

Worked examples

  • 10 kn: 10 × 1.150779448 = 11.507794 mph
  • 15 kn: 15 × 1.150779448 = 17.261692 mph
  • 20 kn: 20 × 1.150779448 = 23.015589 mph
Mental math shortcut

Add 15 percent to the knots. 20 knots is about 23 mph (exactly 23.02).

Knots to Miles per Hour conversion table

Knots to Miles per Hour

knmph
11.1507794
55.7538972
1011.507794
1517.261692
2023.015589
3034.523383
5057.538972
100115.07794
250287.69486
500575.38972

Miles per Hour to Knots

mphkn
10.86897624
54.3448812
108.6897624
1513.034644
2017.379525
3026.069287
5043.448812
10086.897624
250217.24406
500434.48812

Speed equivalents

See how one knot and one mile per hour compare with every other speed unit on the site.

1 knot equals

UnitValue
meters per second (m/s)0.5144444
kilometers per hour (km/h)1.852
miles per hour (mph)1.150779
feet per second (ft/s)1.68781

1 mile per hour equals

UnitValue
meters per second (m/s)0.44704
kilometers per hour (km/h)1.609344
feet per second (ft/s)1.466667
knots (kn)0.8689762

When you need to convert knots to miles per hour

Boat speeds, wind forecasts, hurricane advisories and aircraft speeds are given in knots. Converting to miles per hour makes the numbers easier to relate to driving speeds and everyday wind conditions.

About the units

Knot (kn)

A knot is one nautical mile per hour, about 1.852 km/h. It is the standard unit for ships and aircraft.

Mile per hour (mph)

Miles per hour is exactly 0.44704 meters per second. It is used for road speeds in the US and UK.

Frequently asked questions

How do I convert knots to miles per hour?

Multiply the number of knots by 1.150779448. For example, 10 knots × 1.150779448 = 11.50779448 miles per hour.

How many miles per hour are in one knot?

There are 1.150779448 miles per hour in one knot.

How many knots are in one mile per hour?

There are 0.8689762419 knots in one mile per hour.

How strong is a 34-knot wind?

34 knots is 39.1 mph, the lower limit of "gale force" (Beaufort 8). A hurricane begins at 64 knots, or 73.7 mph.

Can I convert other speed units with this tool?

Yes. Use the From and To drop-downs in the converter to choose any speed unit, or press the swap button to reverse the conversion. All calculations use internationally defined conversion factors.