How to convert 721 meters to feet?
We know (by definition) that:
We can set up a proportion to solve for the number of feet.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 foot is equal to 0.000422746185852982 times 721 meters.
It can also be expressed as: 721 meters is equal to feet.
An approximate numerical result would be: seven hundred and twenty-one meters is about two thousand, three hundred and sixty-five point four eight feet, or alternatively, a foot is about zero times seven hundred and twenty-one meters.
 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.