## Conversion formula

The conversion factor from knots to miles per hour is 1.1507794480225, which means that 1 knot is equal to 1.1507794480225 miles per hour:

1 kt = 1.1507794480225 mph

To convert 39.7 knots into miles per hour we have to multiply 39.7 by the conversion factor in order to get the velocity amount from knots to miles per hour. We can also form a simple proportion to calculate the result:

1 kt → 1.1507794480225 mph

39.7 kt → V(mph)

Solve the above proportion to obtain the velocity V in miles per hour:

V(mph) = 39.7 kt × 1.1507794480225 mph

V(mph) = 45.685944086495 mph

The final result is:

39.7 kt → 45.685944086495 mph

We conclude that 39.7 knots is equivalent to 45.685944086495 miles per hour:

39.7 knots = 45.685944086495 miles per hour

## Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 mile per hour is equal to 0.021888570324972 × 39.7 knots.

Another way is saying that 39.7 knots is equal to 1 ÷ 0.021888570324972 miles per hour.

## Approximate result

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

39.7 kt ≅ 45.686 mph

An alternative is also that one mile per hour is approximately zero point zero two two times thirty-nine point seven knots.

## Conversion table

### knots to miles per hour chart

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

knots (kt) miles per hour (mph)
40.7 knots 46.837 miles per hour
41.7 knots 47.988 miles per hour
42.7 knots 49.138 miles per hour
43.7 knots 50.289 miles per hour
44.7 knots 51.44 miles per hour
45.7 knots 52.591 miles per hour
46.7 knots 53.741 miles per hour
47.7 knots 54.892 miles per hour
48.7 knots 56.043 miles per hour
49.7 knots 57.194 miles per hour