cups to gallons converter

1 US cup equals 0.0625 US gallons. Conversions use gal = cup × 0.0625

cup → 0.0625 gal

gal = cup × 0.0625

Converter

Worked examples

1 cup = 0.0625 gal
2 cup = 0.125 gal
5 cup = 0.3125 gal
10 cup = 0.625 gal
100 cup = 6.25 gal

US cups to US gallons conversion table

cup	gal	Arithmetic
1 cup	0.0625 gal	× 0.0625
2 cup	0.125 gal (1/8)	× 0.0625
3 cup	0.1875 gal	× 0.0625
4 cup	0.25 gal (1/4)	× 0.0625
5 cup	0.3125 gal	× 0.0625
6 cup	0.375 gal (3/8)	× 0.0625
8 cup	0.5 gal (1/2)	× 0.0625
10 cup	0.625 gal (5/8)	× 0.0625
12 cup	0.75 gal (3/4)	× 0.0625
15 cup	0.9375 gal	× 0.0625
20 cup	1.25 gal (1 1/4)	× 0.0625
25 cup	1.5625 gal	× 0.0625
30 cup	1.875 gal (1 7/8)	× 0.0625
40 cup	2.5 gal (2 1/2)	× 0.0625
50 cup	3.125 gal (3 1/8)	× 0.0625
60 cup	3.75 gal (3 3/4)	× 0.0625
70 cup	4.375 gal (4 3/8)	× 0.0625
80 cup	5 gal	× 0.0625
90 cup	5.625 gal (5 5/8)	× 0.0625
100 cup	6.25 gal (6 1/4)	× 0.0625

How to convert cup to gal

Take your value in US cups.
Multiply by 0.0625
That is your answer in US gallons — no rounding needed until you choose a display precision.

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Questions

How many US gallons in 1 US cup?

Exactly 0.0625 gal. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert cup to gal?

Multiply the US cups figure by 0.0625 — or use the converter above, which updates as you type.

Is cup to gal the same as gal to cup?

No — they are inverses. One cup is 0.0625 gal, while one gal is 16 cup.

What is 1 cup in gal?

1 cup = 0.0625 gal (see the value page for the full arithmetic).