With this information, you can calculate the quantity of feet per second 139 knots is equal to.

¿What is the inverse calculation between 1 foot per second and 139 knots?

Performing the inverse calculation of the relationship between units, we obtain that 1 foot per second is 0.0042624734 times 139 knots.

Which is the same to say that 139 knots is 234.60557 feet per second.

One hundred thirty-nine knots equals to two hundred thirty-four feet per second. *Approximation

A foot per second is zero times one hundred thirty-nine knots. *Approximation