1. Volume

2. Volume of a rectangle
Length x Width x Height
5 ft
2 ft
3 ft

3. Question
Why does pop come in weird sizes like 355ml and 591ml?

4. Metric
The metric system uses liters 1 liter = 1 cubic decimeter (10cm x 10 cm x 10 cm) Sometimes cubic centimeters are also used 1 cubic cm = 1/1000 of a liter = 1 milliliter

5. Imperial Volume
The Imperial system uses pints, quarts and gallons Volume is also measured in cubic inches, cubic feet and cubic yards. In Canada when we refer to Imperial we usually mean British Imperial, but the US has a different system 1 British gallon = litres 1 US gallon = litres

6. In both Imperial systems:
1 gallon = 4 quarts
1 quart = 2 pints
In US system:
1 pint = 16 fluid ounces
In British system:
1 pint = 20 fluid ounces