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 315 miles per hour into knots we have to multiply 315 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

315 mph → V_(kt)

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

V_(kt) = 315 mph × 0.8689762419014 kt

V_(kt) = 273.72751619894 kt

The final result is:

315 mph → 273.72751619894 kt

We conclude that 315 miles per hour is equivalent to 273.72751619894 knots:

315 miles per hour = 273.72751619894 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0036532680889605 × 315 miles per hour.

Another way is saying that 315 miles per hour is equal to 1 ÷ 0.0036532680889605 knots.

Approximate result

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

315 mph ≅ 273.728 kt

An alternative is also that one knot is approximately zero point zero zero four times three hundred fifteen 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