1 US cup equals 0.25 US quarts. To convert US cups to US quarts, multiply the US cup value by 0.25. For quick reference: 1 cup = 0.25 qt, 5 cup = 1.25 qt, 10 cup = 2.5 qt, 100 cup = 25 qt.
FormulaUS quarts = US cups × 0.25
Quick
How to convert US cups to US quarts
1
Take your value
Start with your value in US cups.
2
Multiply by 0.25
Multiply the US cup value by 0.25. This is the exact conversion factor from US cups to US quarts.
3
Read the result
The product is your value in US quarts. For example, 5 cup × 0.25 = 1.25 qt.
Conversion formula
The exact factor from US cups to US quarts is 0.25.
US quarts = US cups × 0.25
US cups to US quarts conversion table
Fifty common reference values, hand-picked for skim utility. Use the calculator above for any value not listed.
Conversion table from US cups to US quarts
US cups (cup)
US quarts (qt)
0.1 cup
0.025 qt
0.25 cup
0.0625 qt
0.5 cup
0.125 qt
1 cup
0.25 qt
1.5 cup
0.375 qt
2 cup
0.5 qt
2.5 cup
0.625 qt
3 cup
0.75 qt
4 cup
1 qt
5 cup
1.25 qt
6 cup
1.5 qt
7 cup
1.75 qt
8 cup
2 qt
9 cup
2.25 qt
10 cup
2.5 qt
12 cup
3 qt
15 cup
3.75 qt
20 cup
5 qt
25 cup
6.25 qt
30 cup
7.5 qt
40 cup
10 qt
50 cup
12.5 qt
60 cup
15 qt
75 cup
18.75 qt
100 cup
25 qt
125 cup
31.25 qt
150 cup
37.5 qt
200 cup
50 qt
250 cup
62.5 qt
300 cup
75 qt
400 cup
100 qt
500 cup
125 qt
600 cup
150 qt
750 cup
187.5 qt
1000 cup
250 qt
1500 cup
375 qt
2000 cup
500 qt
2500 cup
625 qt
3000 cup
750 qt
4000 cup
1000 qt
5000 cup
1250 qt
7500 cup
1875 qt
10000 cup
2500 qt
15000 cup
3750 qt
20000 cup
5000 qt
25000 cup
6250 qt
30000 cup
7500 qt
40000 cup
10000 qt
50000 cup
12500 qt
100000 cup
25000 qt
Real-world reference
A standard US recipe cup of water is about 237 mL. Most US recipes call for cups; weighing in grams is more reliable. In US quarts, that gives you: 1 cup = 0.25 qt, 10 cup = 2.5 qt, 100 cup = 25 qt.
Frequently asked questions
How many US quarts are in 1 US cup?
1 US cup equals 0.25 US quarts.
How do I convert US cups to US quarts?
Multiply the US cup value by 0.25. So x cup × 0.25 = the equivalent in qt.
What is 5 US cups in US quarts?
5 US cups equals 1.25 US quarts.
What is 10 US cups in US quarts?
10 US cups equals 2.5 US quarts.
What is 100 US cups in US quarts?
100 US cups equals 25 US quarts.
How do I convert back from US quarts to US cups?
Multiply the US quart value by 4. For example, 1 qt = 4 cup.
Is the US cup bigger than the US quart?
No. 1 US cup is smaller than 1 US quart. It takes 4 US cups to equal 1 US quart.
Are these conversion factors exact?
The factor is derived directly from the SI definitions of US cup and US quart; the displayed value is rounded for readability, and the browser computes using IEEE 754 double-precision arithmetic.
About the US cup and the US quart
The US cup
The US legal cup, as used in nutrition labels, equals exactly 240 mL; the US customary cup, used in recipes, equals 236.5882365 mL (half a US liquid pint, or 8 US fluid ounces). Convertitive uses the customary value, which matches how most US cookbooks specify quantities. UK and Australian metric cups are 250 mL — yet another small but consequential difference.
The US quart
The US liquid quart equals exactly 946.352946 mL, defined as 1/4 of a US gallon (2 US pints). It is a common US packaging size for milk, oil, and cooking stock.
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