Conversion formula

The conversion factor from miles per hour to knots is 0.8689762419014, which means that 1 mile per hour is equal to 0.8689762419014 knots:

1 mph = 0.8689762419014 kt

To convert 1645 miles per hour into knots we have to multiply 1645 by the conversion factor in order to get the velocity amount from miles per hour to knots. We can also form a simple proportion to calculate the result:

1 mph → 0.8689762419014 kt

1645 mph → V_(kt)

Solve the above proportion to obtain the velocity V in knots:

V_(kt) = 1645 mph × 0.8689762419014 kt

V_(kt) = 1429.4659179278 kt

The final result is:

1645 mph → 1429.4659179278 kt

We conclude that 1645 miles per hour is equivalent to 1429.4659179278 knots:

1645 miles per hour = 1429.4659179278 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.00069956197448179 × 1645 miles per hour.

Another way is saying that 1645 miles per hour is equal to 1 ÷ 0.00069956197448179 knots.

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-five miles per hour is approximately one thousand four hundred twenty-nine point four six six knots:

1645 mph ≅ 1429.466 kt

An alternative is also that one knot is approximately zero point zero zero one times one thousand six hundred forty-five miles per hour.

Conversion table

miles per hour to knots chart

For quick reference purposes, below is the conversion table you can use to convert from miles per hour to knots