How to convert 397 yards 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 0.000839630562552477 times 397 yards.
It can also be expressed as: 397 yards is equal to feet.
An approximate numerical result would be: three hundred and ninety-seven yards is about one thousand, one hundred and ninety-one feet, or alternatively, a foot is about zero times three hundred and ninety-seven yards.
 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.