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 709 knots into miles per hour we have to multiply 709 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

709 kt → V_(mph)

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

V_(mph) = 709 kt × 1.1507794480225 mph

V_(mph) = 815.90262864799 mph

The final result is:

709 kt → 815.90262864799 mph

We conclude that 709 knots is equivalent to 815.90262864799 miles per hour:

709 knots = 815.90262864799 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 0.00122563644838 × 709 knots.

Another way is saying that 709 knots is equal to 1 ÷ 0.00122563644838 miles per hour.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that seven hundred nine knots is approximately eight hundred fifteen point nine zero three miles per hour:

709 kt ≅ 815.903 mph

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