🥤 Capacity Lab
Learn cups, pints, quarts, gallons, liters, and milliliters through real-life problems.
The relationships worth remembering
Keep U.S. customary and metric units separate unless a problem gives you a conversion.
2 cups = 1 pint2 c = 1 pt
2 pints = 1 quart2 pt = 1 qt
4 quarts = 1 gallon4 qt = 1 gal
1,000 mL = 1 Lmetric capacity
Choose a Capacity Skill
Question 1 of 10
Choose the Unit
Choose an answer, then check it.
Capacity Tip:
2 cups make 1 pint.
2 cups make 1 pint.
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For parents: Capacity Lab practices cups, pints, quarts, gallons, milliliters, liters, conversions, and estimation for students in grades 2–4. Real-life examples help kids understand how capacity units relate.