390 feet per second in knots
Conversion
390 feet per second is equivalent to 231.0686825054 knots.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 knot is equal to 0.00432771758231076 times 390 feet per second.
It can also be expressed as: 390 feet per second is equal to knots.
Approximation
An approximate numerical result would be: three hundred and ninety feet per second is about two hundred and thirty-one point zero six knots, or alternatively, a knot is about zero times three hundred and ninety 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.