4 feet per second in knots
Conversion
4 feet per second is equivalent to 2.36993520518359 knots.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 knot is equal to 0.421952464275299 times 4 feet per second.
It can also be expressed as: 4 feet per second is equal to knots.
Approximation
An approximate numerical result would be: four feet per second is about two point three seven knots, or alternatively, a knot is about zero point four two times four 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.