Conversion in the opposite direction
The inverse of the conversion factor is that 1 foot per second is equal to 0.00037398773006135 times 815 meters per second.
It can also be expressed as: 815 meters per second is equal to feet per second.
An approximate numerical result would be: eight hundred and fifteen meters per second is about two thousand, six hundred and seventy-three point eight eight feet per second, or alternatively, a foot per second is about zero times eight hundred and fifteen meters per second.
 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.