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 989 knots into miles per hour we have to multiply 989 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

989 kt → V_(mph)

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

V_(mph) = 989 kt × 1.1507794480225 mph

V_(mph) = 1138.1208740943 mph

The final result is:

989 kt → 1138.1208740943 mph

We conclude that 989 knots is equivalent to 1138.1208740943 miles per hour:

989 knots = 1138.1208740943 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 0.00087864129615915 × 989 knots.

Another way is saying that 989 knots is equal to 1 ÷ 0.00087864129615915 miles per hour.

Approximate result

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

989 kt ≅ 1138.121 mph

An alternative is also that one mile per hour is approximately zero point zero zero one times nine hundred eighty-nine 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