How to convert 120 US gallons to US quarts?
We know (by definition) that:
We can set up a proportion to solve for the number of US quarts.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US quart is equal to 0.00208333333333333 times 120 US gallons.
It can also be expressed as: 120 US gallons is equal to US quarts.
An approximate numerical result would be: one hundred and twenty US gallons is about four hundred and eighty US quarts, or alternatively, a US quart is about zero times one hundred and twenty US gallons.
 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.