This is basically just an ordinary calculator
You can choose from FOUR unit types: Liter, Milliliter, Fluid ounce, and Gallon.
You can enter the PRICE and QUANTITY of exactly TWO items. That is all.
So if you need to compare, for example, 3 cans of beans weighing 12 oz each, with 4 cans of beans weighing 14 oz each, you’re out of luck.