Convert mph to Knot

Enter a value in mph to convert it to knot. The result updates instantly and includes the formula and calculation steps.

Mile/hour to Knot calculator

to
mi/h
Knot
kt

Mile/hour to Knot formula

Use this formula to convert mile/hour to knot:

Knot = Mile/hour * 1.9438444924 / 2.2369362921

Calculation

Enter a valid number above to see the formula with your value substituted step by step.

Mile/hour to Knot Conversion Table

Reference values for converting Mile/hour to Knot.

Mile/hour (mi/h)Knot (kt)
0 mi/h0 kt
1 mi/h0.869 kt
10 mi/h8.6898 kt
60 mi/h52.1386 kt
100 mi/h86.8976 kt
220 mi/h191.1748 kt
400 mi/h347.5905 kt
500 mi/h434.4881 kt

Worked example

Convert 150 Mile/hour to Knot

Knot = 150 × 1.9438444924 / 2.2369362921 = 130.3464 Knot

About these units

Mile/hour

The mile per hour (mph) is a unit of speed commonly used in the United States and the United Kingdom to measure the speed of vehicles. It indicates the number of miles traveled in one hour. This unit is prevalent in transportation and is used on road signs and vehicle speedometers in countries where the imperial system is used.

Knot

The knot (kn) is a unit of speed equal to one nautical mile per hour. It is commonly used in maritime and aviation contexts to express the speed of ships and aircraft. The knot is an important unit in navigation, where distances are often measured in nautical miles.