Convert Cups to Gallons

Enter the volume in cups below to get the value converted to gallons.

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1 c = 0.0625 gal
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How to Convert Cups to Gallons

conversion scale showing cups and equivalent gallons volume values

To convert a cup measurement to a gallon measurement, multiply the volume by the conversion ratio. One cup is equal to 0.0625 gallons, so use this simple formula to convert:

gallons = cups × 0.0625

The volume in gallons is equal to the cups multiplied by 0.0625.

For example, here's how to convert 5 cups to gallons using the formula above.
5 c = (5 × 0.0625) = 0.3125 gal

Cups and gallons are both units used to measure volume. Keep reading to learn more about each unit of measure.

Cups

The cup is a unit of volume equal to 16 tablespoons or 8 fluid ounces. The cup should not be confused with the metric cup or the teacup, which are different units of volume. One cup is equal to just under 236.6 milliliters, but in nutrition labelling, one cup is equal to 240 milliliters.

The cup is a US customary unit of volume. Cups can be abbreviated as c, and are also sometimes abbreviated as C. For example, 1 cup can be written as 1 c or 1 C.

Gallons

The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups. The US liquid gallon should not be confused with the US dry gallon or the imperial gallon, which are different units of measure.

The gallon is a US customary unit of volume. Gallons can be abbreviated as gal, for example 1 gallon can be written as 1 gal.

Cup Measurements and Equivalent Gallon Conversions

Common cup values converted to the equivalent gallon value
Cups Gallons
1 c 0.0625 gal
2 c 0.125 gal
3 c 0.1875 gal
4 c 0.25 gal
5 c 0.3125 gal
6 c 0.375 gal
7 c 0.4375 gal
8 c 0.5 gal
9 c 0.5625 gal
10 c 0.625 gal
11 c 0.6875 gal
12 c 0.75 gal
13 c 0.8125 gal
14 c 0.875 gal
15 c 0.9375 gal
16 c 1 gal
17 c 1.0625 gal
18 c 1.125 gal
19 c 1.1875 gal
20 c 1.25 gal
21 c 1.3125 gal
22 c 1.375 gal
23 c 1.4375 gal
24 c 1.5 gal
25 c 1.5625 gal
26 c 1.625 gal
27 c 1.6875 gal
28 c 1.75 gal
29 c 1.8125 gal
30 c 1.875 gal
31 c 1.9375 gal
32 c 2 gal
33 c 2.0625 gal
34 c 2.125 gal
35 c 2.1875 gal
36 c 2.25 gal
37 c 2.3125 gal
38 c 2.375 gal
39 c 2.4375 gal
40 c 2.5 gal

More Cup Volume Conversions

US Liquid
Convert to Quarts
1 c is equal to 0.25 quarts
Convert to Pints
1 c is equal to 0.5 pints
Convert to Fluid Ounces
1 c is equal to 8 fluid ounces
US Cooking
Convert to Tablespoons
1 c is equal to 16 tablespoons
Convert to Teaspoons
1 c is equal to 48 teaspoons
US Customary Volume
Convert to Cubic Inches
1 c is equal to 14.4375 cubic inches
Convert to Cubic Feet
1 c is equal to 0.008355 cubic feet
Convert to Cubic Yards
1 c is equal to 0.000309 cubic yards
Metric Volume
Convert to Liters
1 c is equal to 0.236588 liters
Convert to Milliliters
1 c is equal to 236.588236 milliliters
Convert to Cubic Centimeters
1 c is equal to 236.588236 cubic centimeters
Convert to Cubic Meters
1 c is equal to 0.000237 cubic meters