820 miles per hour in feet per second
Result
The conversion result is: 820 miles per hour is equivalent to 1202.66666666667 feet per second.[1]
Conversion in the opposite direction
The inverse of the conversion factor is that 1 foot per second is equal to 0.000831485587583149 times 820 miles per hour.
It can also be expressed as: 820 miles per hour is equal to 1 / 0.000831485587583149 feet per second.
Approximation
An approximate numerical result would be: eight hundred and twenty miles per hour is about one thousand, two hundred and two point six seven feet per second, or alternatively, a foot per second is about zero times eight hundred and twenty miles per hour.
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.