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 891 miles per hour into knots we have to multiply 891 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

891 mph → V_(kt)

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

V_(kt) = 891 mph × 0.8689762419014 kt

V_(kt) = 774.25783153415 kt

The final result is:

891 mph → 774.25783153415 kt

We conclude that 891 miles per hour is equivalent to 774.25783153415 knots:

891 miles per hour = 774.25783153415 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0012915594253901 × 891 miles per hour.

Another way is saying that 891 miles per hour is equal to 1 ÷ 0.0012915594253901 knots.

Approximate result

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

891 mph ≅ 774.258 kt

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