Convert Gallons to Cups

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

Results in Cups:

1 gal = 16 c

How to Convert Gallons to Cups

conversion scale showing gallons and equivalent cups volume values

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.^[1] 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.^[2]

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 to Cup Conversion Table

Gallon measurements converted to cups
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

Gallon measurements converted to cups

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

References

National Institute of Standards and Technology, Handbook 44 - 2016 Edition, https://www.nist.gov/sites/default/files/documents/pml/wmd/pubs/2016/02/18/appc-16-hb44-final.pdf
U.S. Food & Drug Administration, Guidance for Industry: Guidelines for Determining Metric Equivalents of Household Measures, https://www.fda.gov/regulatory-information/search-fda-guidance-documents/guidance-industry-guidelines-determining-metric-equivalents-household-measures

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