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 120.4 knots into miles per hour we have to multiply 120.4 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

120.4 kt → V_(mph)

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

V_(mph) = 120.4 kt × 1.1507794480225 mph

V_(mph) = 138.55384554191 mph

The final result is:

120.4 kt → 138.55384554191 mph

We conclude that 120.4 knots is equivalent to 138.55384554191 miles per hour:

120.4 knots = 138.55384554191 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 0.0072174106470216 × 120.4 knots.

Another way is saying that 120.4 knots is equal to 1 ÷ 0.0072174106470216 miles per hour.

Approximate result

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

120.4 kt ≅ 138.554 mph

An alternative is also that one mile per hour is approximately zero point zero zero seven times one hundred twenty point four 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