How to convert 31 centiliters 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 :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US gallon is equal to 12.2110057548387 times 31 centiliters.
It can also be expressed as: 31 centiliters is equal to US gallons.
An approximate numerical result would be: thirty-one centiliters is about zero point zero eight US gallons, or alternatively, a US gallon is about twelve point two one times thirty-one centiliters.
 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.