Cups to Quarts
Type a value in either box to convert between cups and quarts. The factor is 0.25.
| Cups | Quarts |
|---|---|
| 1 cup | 0.25 qt |
| 2 cup | 0.5 qt |
| 3 cup | 0.75 qt |
| 5 cup | 1.25 qt |
| 10 cup | 2.5 qt |
| 25 cup | 6.25 qt |
| 50 cup | 12.5 qt |
| 100 cup | 25 qt |
How to use
- Enter a value in the Cups field.
- The Quarts figure appears immediately — no button to press.
- Typing in the Quarts field converts back to Cups the same way.
- Use the reference table for the values that come up most often.
Cups to Quarts formula
The factor from cups to quarts is 0.25.
qt = cup × 0.25
Put another way, one cup is exactly 1/4 of a quart.
Why this factor: the cup and the quart are both defined against the liter, so dividing one definition by the other gives 0.25 directly. Both definitions are set out in full below.
To go the other way, divide by 0.25 — or use the Quarts to Cups converter, which is the same calculation reversed.
Worked example
Take 8 cup and multiply by the factor 0.25: the result is 2 qt.
8 cup × 0.25 = 2 qt
The converter above does this for any value you type, in either direction.
What is a cup?
A US customary cup is the standard cooking volume measure in American recipes.
Definition: Exactly one sixteenth of a US liquid gallon, so exactly 236.5882365 milliliters.
Where it is used: American recipes and baking, where dry and liquid ingredients alike are measured by cup.
Worth knowing: Nutrition labels use the US *legal* cup of exactly 240 mL, and a metric cup is 250 mL — three slightly different cups are in circulation.
What is a quart?
A quart is a quarter of a US gallon — two pints.
Definition: Exactly one quarter of a US liquid gallon, so exactly 0.946352946 liter.
Where it is used: Milk, motor oil, stock and broth, and ice cream in the US.
Worth knowing: Close to a liter but about 5% smaller, which makes it an easy source of recipe error.
Cups vs Quarts
The cup and the quart belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many quarts are in a cup?
One cup equals 0.25 quarts.
What is the formula to convert cups to quarts?
Multiply the number of cups by 0.25. To reverse it, divide by 0.25 instead.
How do I convert quarts back to cups?
Divide by 0.25, which is the same as multiplying by 4.
How many quarts are in 10 cups?
10 cup works out to 2.5 qt.
Is there anything to watch out for with cups?
Nutrition labels use the US *legal* cup of exactly 240 mL, and a metric cup is 250 mL — three slightly different cups are in circulation.
How is the cup defined?
Exactly one sixteenth of a US liquid gallon, so exactly 236.5882365 milliliters.