Conversion formula

The conversion factor from knots to meters per second is 0.514444444444, which means that 1 knot is equal to 0.514444444444 meters per second:

1 kt = 0.514444444444 m/s

To convert 640.4 knots into meters per second we have to multiply 640.4 by the conversion factor in order to get the velocity amount from knots to meters per second. We can also form a simple proportion to calculate the result:

1 kt → 0.514444444444 m/s

640.4 kt → V_(m/s)

Solve the above proportion to obtain the velocity V in meters per second:

V_(m/s) = 640.4 kt × 0.514444444444 m/s

V_(m/s) = 329.45022222194 m/s

The final result is:

640.4 kt → 329.45022222194 m/s

We conclude that 640.4 knots is equivalent to 329.45022222194 meters per second:

640.4 knots = 329.45022222194 meters per second

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 meter per second is equal to 0.0030353599194914 × 640.4 knots.

Another way is saying that 640.4 knots is equal to 1 ÷ 0.0030353599194914 meters per second.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred forty point four knots is approximately three hundred twenty-nine point four five meters per second:

640.4 kt ≅ 329.45 m/s

An alternative is also that one meter per second is approximately zero point zero zero three times six hundred forty point four knots.

Conversion table

knots to meters per second chart

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