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 100 miles per hour into knots we have to multiply 100 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

100 mph → V_(kt)

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

V_(kt) = 100 mph × 0.8689762419014 kt

V_(kt) = 86.89762419014 kt

The final result is:

100 mph → 86.89762419014 kt

We conclude that 100 miles per hour is equivalent to 86.89762419014 knots:

100 miles per hour = 86.89762419014 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.011507794480225 × 100 miles per hour.

Another way is saying that 100 miles per hour is equal to 1 ÷ 0.011507794480225 knots.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that one hundred miles per hour is approximately eighty-six point eight nine eight knots:

100 mph ≅ 86.898 kt

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