139 knots in feet per second
Result
The conversion result is: 139 knots is equivalent to 234.605570137066 feet per second.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 foot per second is equal to 0.00426247339061796 times 139 knots.
It can also be expressed as: 139 knots is equal to 1 / 0.00426247339061796 feet per second.
Approximation
An approximate numerical result would be: one hundred and thirty-nine knots is about two hundred and thirty-four point six one feet per second, or alternatively, a foot per second is about zero times one hundred and thirty-nine knots.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.