Conversion in the opposite direction
The inverse of the conversion factor is that 1 foot per second is equal to 0.000914326853851692 times 648 knots.
It can also be expressed as: 648 knots is equal to feet per second.
An approximate numerical result would be: six hundred and forty-eight knots is about one thousand and ninety-three point seven zero feet per second, or alternatively, a foot per second is about zero times six hundred and forty-eight knots.
 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.