## 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

knots (kt) miles per hour (mph)
478 knots 550.073 miles per hour
479 knots 551.223 miles per hour
480 knots 552.374 miles per hour
481 knots 553.525 miles per hour
482 knots 554.676 miles per hour
483 knots 555.826 miles per hour
484 knots 556.977 miles per hour
485 knots 558.128 miles per hour
486 knots 559.279 miles per hour
487 knots 560.43 miles per hour