Convert Gallons to Cups

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

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1 gal = 16 c
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How to Convert Gallons to Cups

Calculators can be used to convert measurements from one unit to another

To convert a gallon measurement to a cup measurement, multiply the volume by the conversion ratio. One gallon is equal to 16 cups, so use this simple formula to convert:

cups = gallons × 16

The volume in cups is equal to the gallons multiplied by 16.

For example, here's how to convert 5 gallons to cups using the formula above.
5 gal = (5 × 16) = 80 c

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

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.

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.

Gallon Measurements and Equivalent Cup Conversions

Common gallon values converted to the equivalent cup value
Gallons Cups
1 gal 16 c
2 gal 32 c
3 gal 48 c
4 gal 64 c
5 gal 80 c
6 gal 96 c
7 gal 112 c
8 gal 128 c
9 gal 144 c
10 gal 160 c
11 gal 176 c
12 gal 192 c
13 gal 208 c
14 gal 224 c
15 gal 240 c
16 gal 256 c
17 gal 272 c
18 gal 288 c
19 gal 304 c
20 gal 320 c
21 gal 336 c
22 gal 352 c
23 gal 368 c
24 gal 384 c
25 gal 400 c
26 gal 416 c
27 gal 432 c
28 gal 448 c
29 gal 464 c
30 gal 480 c
31 gal 496 c
32 gal 512 c
33 gal 528 c
34 gal 544 c
35 gal 560 c
36 gal 576 c
37 gal 592 c
38 gal 608 c
39 gal 624 c
40 gal 640 c

More Gallon Volume Conversions

US Liquid
Convert to Quarts
1 gal is equal to 4 quarts
Convert to Pints
1 gal is equal to 8 pints
Convert to Fluid Ounces
1 gal is equal to 128 fluid ounces
US Cooking
Convert to Tablespoons
1 gal is equal to 256 tablespoons
Convert to Teaspoons
1 gal is equal to 768 teaspoons
US Customary Volume
Convert to Cubic Inches
1 gal is equal to 231 cubic inches
Convert to Cubic Feet
1 gal is equal to 0.133681 cubic feet
Convert to Cubic Yards
1 gal is equal to 0.004951 cubic yards
Metric Volume
Convert to Liters
1 gal is equal to 3.785412 liters
Convert to Milliliters
1 gal is equal to 3,785.41 milliliters
Convert to Cubic Centimeters
1 gal is equal to 3,785.41 cubic centimeters
Convert to Cubic Meters
1 gal is equal to 0.003785 cubic meters