ConvertOctopus Search

Unit Converter

Conversion formula

The conversion factor from miles per hour to knots is 0.8689762419014, which means that 1 mile per hour is equal to 0.8689762419014 knots:

1 mph = 0.8689762419014 kt

To convert 40 miles per hour into knots we have to multiply 40 by the conversion factor in order to get the velocity amount from miles per hour to knots. We can also form a simple proportion to calculate the result:

1 mph → 0.8689762419014 kt

40 mph → V(kt)

Solve the above proportion to obtain the velocity V in knots:

V(kt) = 40 mph × 0.8689762419014 kt

V(kt) = 34.759049676056 kt

The final result is:

40 mph → 34.759049676056 kt

We conclude that 40 miles per hour is equivalent to 34.759049676056 knots:

40 miles per hour = 34.759049676056 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.028769486200564 × 40 miles per hour.

Another way is saying that 40 miles per hour is equal to 1 ÷ 0.028769486200564 knots.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that forty miles per hour is approximately thirty-four point seven five nine knots:

40 mph ≅ 34.759 kt

An alternative is also that one knot is approximately zero point zero two nine times forty miles per hour.

Conversion table

miles per hour to knots chart

For quick reference purposes, below is the conversion table you can use to convert from miles per hour to knots

miles per hour (mph) knots (kt)
41 miles per hour 35.628 knots
42 miles per hour 36.497 knots
43 miles per hour 37.366 knots
44 miles per hour 38.235 knots
45 miles per hour 39.104 knots
46 miles per hour 39.973 knots
47 miles per hour 40.842 knots
48 miles per hour 41.711 knots
49 miles per hour 42.58 knots
50 miles per hour 43.449 knots