Canadian cups
Canadian cups are units often used in Canada for recipes. One Canadian cup is about 227ml making this unit slightly smaller than the metric cup which is equal to 250 milliliters.
US liquid gallons
A US liquid gallon is a volume measurement used in the United States for liquids such as water, gasoline, and milk. One US liquid gallon is about 3.78541 liters. A standard bathtub is about 80 gallons of water and a car gas tank can hold anywhere between 12 and 20 gallons of gas.