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 817 miles per hour into knots we have to multiply 817 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

817 mph → V_(kt)

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

V_(kt) = 817 mph × 0.8689762419014 kt

V_(kt) = 709.95358963344 kt

The final result is:

817 mph → 709.95358963344 kt

We conclude that 817 miles per hour is equivalent to 709.95358963344 knots:

817 miles per hour = 709.95358963344 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0014085427760374 × 817 miles per hour.

Another way is saying that 817 miles per hour is equal to 1 ÷ 0.0014085427760374 knots.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that eight hundred seventeen miles per hour is approximately seven hundred nine point nine five four knots:

817 mph ≅ 709.954 kt

An alternative is also that one knot is approximately zero point zero zero one times eight hundred seventeen 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