Missy,
One gallon is equal to 4 quarts or 3.785 L and 1L is equal to 1000 cm3 so 1 gal is equal to 3785 cm3
so 1 cm3 = 1/3785 gal and 810 cm3 is equal to 810/3785 =.214 gal.
Jim
Missy S.
asked 06/02/14
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