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 311 miles per hour into knots we have to multiply 311 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

311 mph → V_(kt)

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

V_(kt) = 311 mph × 0.8689762419014 kt

V_(kt) = 270.25161123134 kt

The final result is:

311 mph → 270.25161123134 kt

We conclude that 311 miles per hour is equivalent to 270.25161123134 knots:

311 miles per hour = 270.25161123134 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0037002554598796 × 311 miles per hour.

Another way is saying that 311 miles per hour is equal to 1 ÷ 0.0037002554598796 knots.

Approximate result

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

311 mph ≅ 270.252 kt

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