U.S.
gal to liters Conversion Table:

1
g. = 3.785 L
2 = 7.571
3 = 11.356
4 = 15.142
5 = 18.927 
10
g. = 37.854 L
20 = 75.708
50 = 189.271
100 = 378.541
1000 = 3785.412 
1 gallons = 4 qt =
128 fl oz = 231 cubic inches = 3.785411784 litres
U.S. liquid gal is defined as 231 cubic inches, and is equal to
3.785411784 litres (exactly) or about 0.13368 cubic feet. This is
the most common definition of a US gal.
A liter is defined as one cubic decimetre (1 Liter = 1 cubic dm).
Hence 1 Liter = 0.001 cubic m. The word "liter" came from
an older French unit, the litron. The metric system used liter as
a volume unit.
