688 US quarts in US gallons
Conversion
688 US quarts is equivalent to 172 US gallons.[1]
Conversion formula
How to convert 688 US quarts to US gallons?
We know (by definition) that:
We can set up a proportion to solve for the number of US gallons.
Now, we cross multiply to solve for our unknown :
Conclusion:
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 0.00581395348837209 times 688 US quarts.
It can also be expressed as: 688 US quarts is equal to US gallons.
Approximation
An approximate numerical result would be: six hundred and eighty-eight US quarts is about one hundred and seventy-two US gallons, or alternatively, a US gallon is about zero point zero one times six hundred and eighty-eight US quarts.
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.