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 1238 knots into miles per hour we have to multiply 1238 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

1238 kt → V_(mph)

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

V_(mph) = 1238 kt × 1.1507794480225 mph

V_(mph) = 1424.6649566519 mph

The final result is:

1238 kt → 1424.6649566519 mph

We conclude that 1238 knots is equivalent to 1424.6649566519 miles per hour:

1238 knots = 1424.6649566519 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 0.00070191941995266 × 1238 knots.

Another way is saying that 1238 knots is equal to 1 ÷ 0.00070191941995266 miles per hour.

Approximate result

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

1238 kt ≅ 1424.665 mph

An alternative is also that one mile per hour is approximately zero point zero zero one times one thousand two hundred thirty-eight 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