809 feet per second in knots
Conversion
809 feet per second is equivalent to 479.31939524838 knots.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 knot is equal to 0.00208629154153423 times 809 feet per second.
It can also be expressed as: 809 feet per second is equal to knots.
Approximation
An approximate numerical result would be: eight hundred and nine feet per second is about four hundred and seventy-nine point three one knots, or alternatively, a knot is about zero times eight hundred and nine feet per second.
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.