How to convert 5 US gallons to liters?
We know (by definition) that:
We can set up a proportion to solve for the number of liters.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 liter is equal to 0.0528344104716297 times 5 US gallons.
It can also be expressed as: 5 US gallons is equal to liters.
An approximate numerical result would be: five US gallons is about eighteen point nine two liters, or alternatively, a liter is about zero point zero five times five 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.