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 1140 knots into miles per hour we have to multiply 1140 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

1140 kt → V_(mph)

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

V_(mph) = 1140 kt × 1.1507794480225 mph

V_(mph) = 1311.8885707457 mph

The final result is:

1140 kt → 1311.8885707457 mph

We conclude that 1140 knots is equivalent to 1311.8885707457 miles per hour:

1140 knots = 1311.8885707457 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 0.00076225986131702 × 1140 knots.

Another way is saying that 1140 knots is equal to 1 ÷ 0.00076225986131702 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 one hundred forty knots is approximately one thousand three hundred eleven point eight eight nine miles per hour:

1140 kt ≅ 1311.889 mph

An alternative is also that one mile per hour is approximately zero point zero zero one times one thousand one hundred forty 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