Conversion formula

The conversion factor from kilometers per hour to knots is 0.53995680345662, which means that 1 kilometer per hour is equal to 0.53995680345662 knots:

1 km/h = 0.53995680345662 kt

To convert 631 kilometers per hour into knots we have to multiply 631 by the conversion factor in order to get the velocity amount from kilometers per hour to knots. We can also form a simple proportion to calculate the result:

1 km/h → 0.53995680345662 kt

631 km/h → V_(kt)

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

V_(kt) = 631 km/h × 0.53995680345662 kt

V_(kt) = 340.71274298113 kt

The final result is:

631 km/h → 340.71274298113 kt

We conclude that 631 kilometers per hour is equivalent to 340.71274298113 knots:

631 kilometers per hour = 340.71274298113 knots

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 knot is equal to 0.0029350237717859 × 631 kilometers per hour.

Another way is saying that 631 kilometers per hour is equal to 1 ÷ 0.0029350237717859 knots.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred thirty-one kilometers per hour is approximately three hundred forty point seven one three knots:

631 km/h ≅ 340.713 kt

An alternative is also that one knot is approximately zero point zero zero three times six hundred thirty-one kilometers per hour.

Conversion table

kilometers per hour to knots chart

For quick reference purposes, below is the conversion table you can use to convert from kilometers per hour to knots