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 1640 knots into miles per hour we have to multiply 1640 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

1640 kt → V_(mph)

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

V_(mph) = 1640 kt × 1.1507794480225 mph

V_(mph) = 1887.278294757 mph

The final result is:

1640 kt → 1887.278294757 mph

We conclude that 1640 knots is equivalent to 1887.278294757 miles per hour:

1640 knots = 1887.278294757 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 0.000529863562135 × 1640 knots.

Another way is saying that 1640 knots is equal to 1 ÷ 0.000529863562135 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 six hundred forty knots is approximately one thousand eight hundred eighty-seven point two seven eight miles per hour:

1640 kt ≅ 1887.278 mph

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