218 feet per second in knots
Conversion
218 feet per second is equivalent to 129.161468682505 knots.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 knot is equal to 0.00774224705092292 times 218 feet per second.
It can also be expressed as: 218 feet per second is equal to knots.
Approximation
An approximate numerical result would be: two hundred and eighteen feet per second is about one hundred and twenty-nine point one five knots, or alternatively, a knot is about zero point zero one times two hundred and eighteen 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.