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 630 knots into miles per hour we have to multiply 630 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

630 kt → V_(mph)

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

V_(mph) = 630 kt × 1.1507794480225 mph

V_(mph) = 724.99105225421 mph

The final result is:

630 kt → 724.99105225421 mph

We conclude that 630 knots is equivalent to 724.99105225421 miles per hour:

630 knots = 724.99105225421 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 0.0013793273680975 × 630 knots.

Another way is saying that 630 knots is equal to 1 ÷ 0.0013793273680975 miles per hour.

Approximate result

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

630 kt ≅ 724.991 mph

An alternative is also that one mile per hour is approximately zero point zero zero one times six hundred thirty 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