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 388.5 knots into miles per hour we have to multiply 388.5 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

388.5 kt → V_(mph)

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

V_(mph) = 388.5 kt × 1.1507794480225 mph

V_(mph) = 447.07781555676 mph

The final result is:

388.5 kt → 447.07781555676 mph

We conclude that 388.5 knots is equivalent to 447.07781555676 miles per hour:

388.5 knots = 447.07781555676 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 0.0022367470834013 × 388.5 knots.

Another way is saying that 388.5 knots is equal to 1 ÷ 0.0022367470834013 miles per hour.

Approximate result

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

388.5 kt ≅ 447.078 mph

An alternative is also that one mile per hour is approximately zero point zero zero two times three hundred eighty-eight point five 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