With this information, you can calculate the quantity of feet per minute 31 knots is equal to.

¿What is the inverse calculation between 1 foot per minute and 31 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per minute is 0.00031853968 times 31 knots.

Which is the same to say that 31 knots is 3139.3263 feet per minute.

Thirty-one knots equals to three thousand one hundred thirty-nine feet per minute. *Approximation

A foot per minute is zero times thirty-one knots. *Approximation