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 644 knots into meters per second we have to multiply 644 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

644 kt → V_(m/s)

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

V_(m/s) = 644 kt × 0.514444444444 m/s

V_(m/s) = 331.30222222194 m/s

The final result is:

644 kt → 331.30222222194 m/s

We conclude that 644 knots is equivalent to 331.30222222194 meters per second:

644 knots = 331.30222222194 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 0.0030183920690098 × 644 knots.

Another way is saying that 644 knots is equal to 1 ÷ 0.0030183920690098 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-four knots is approximately three hundred thirty-one point three zero two meters per second:

644 kt ≅ 331.302 m/s

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