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 345 miles per hour into knots we have to multiply 345 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

345 mph → V_(kt)

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

V_(kt) = 345 mph × 0.8689762419014 kt

V_(kt) = 299.79680345598 kt

The final result is:

345 mph → 299.79680345598 kt

We conclude that 345 miles per hour is equivalent to 299.79680345598 knots:

345 miles per hour = 299.79680345598 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0033355926029639 × 345 miles per hour.

Another way is saying that 345 miles per hour is equal to 1 ÷ 0.0033355926029639 knots.

Approximate result

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

345 mph ≅ 299.797 kt

An alternative is also that one knot is approximately zero point zero zero three times three hundred forty-five 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