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 477 knots into miles per hour we have to multiply 477 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

477 kt → V_(mph)

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

V_(mph) = 477 kt × 1.1507794480225 mph

V_(mph) = 548.92179670676 mph

The final result is:

477 kt → 548.92179670676 mph

We conclude that 477 knots is equivalent to 548.92179670676 miles per hour:

477 knots = 548.92179670676 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 0.0018217531276759 × 477 knots.

Another way is saying that 477 knots is equal to 1 ÷ 0.0018217531276759 miles per hour.

Approximate result

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

477 kt ≅ 548.922 mph

An alternative is also that one mile per hour is approximately zero point zero zero two times four hundred seventy-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