Customary Units of Capacity
Customary units of capacity is a Grade 5 math skill in enVision Mathematics, Chapter 12: Convert Measurements. The US customary system measures liquid capacity using fluid ounces, cups, pints, quarts, and gallons: 1 cup = 8 fl oz, 1 pint = 2 cups, 1 quart = 2 pints, and 1 gallon = 4 quarts. Students multiply or divide by these conversion factors to switch between units.
Key Concepts
The customary system uses specific units to measure capacity, which is the amount a container can hold.
$$1 \text{ cup (c)} = 8 \text{ fluid ounces (fl oz)}$$ $$1 \text{ pint (pt)} = 2 \text{ cups (c)}$$ $$1 \text{ quart (qt)} = 2 \text{ pints (pt)}$$ $$1 \text{ gallon (gal)} = 4 \text{ quarts (qt)}$$.
Common Questions
How many cups are in 1 pint?
There are 2 cups in 1 pint.
How many quarts are in 1 gallon?
There are 4 quarts in 1 gallon.
How do you convert 3 gallons to quarts?
3 gallons x 4 quarts per gallon = 12 quarts.
Where are customary capacity units taught in enVision Grade 5?
Chapter 12: Convert Measurements in enVision Mathematics, Grade 5.
What is the order of customary capacity units from smallest to largest?
Fluid ounce, cup (8 fl oz), pint (2 cups), quart (2 pints), gallon (4 quarts).