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 571 knots into miles per hour we have to multiply 571 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

571 kt → V_(mph)

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

V_(mph) = 571 kt × 1.1507794480225 mph

V_(mph) = 657.09506482087 mph

The final result is:

571 kt → 657.09506482087 mph

We conclude that 571 knots is equivalent to 657.09506482087 miles per hour:

571 knots = 657.09506482087 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 0.0015218498106855 × 571 knots.

Another way is saying that 571 knots is equal to 1 ÷ 0.0015218498106855 miles per hour.

Approximate result

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

571 kt ≅ 657.095 mph

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