🧪 Volume converter

Cup to Gallon Converter

Convert cups (cup) to gallons (gal) instantly with the exact formula, a conversion table and chart.

cup

Results

Gallons
0.0625 gal
Same value in every unit

📊 Cup to Gallon chart

Cup to Gallon — plotted against cup (cup).

How to convert cups to gallons

To convert cups to gallons, multiply by 0.0625. Volume conversions help with recipes, fuel, beverages, aquariums and laboratory work. US customary units are used here.

gal = cup × 0.0625 cup = gal ÷ 0.0625
Cup to Gallon conversion – cup to gal formula illustration
Cup (cup) → Gallon (gal) at a glance.

Cup to Gallon conversion table

Cup (cup)Gallon (gal)
0.1 cup0.00625 gal
0.5 cup0.03125 gal
1 cup0.0625 gal
2 cup0.125 gal
3 cup0.1875 gal
4 cup0.25 gal
5 cup0.3125 gal
10 cup0.625 gal
20 cup1.25 gal
25 cup1.5625 gal
50 cup3.125 gal
100 cup6.25 gal
500 cup31.25 gal
1,000 cup62.5 gal

About the units

Cup (cup)

A US customary cup is 8 US fluid ounces, about 236.59 mL (nutrition labels round to 240 mL).

Gallon (gal)

A US liquid gallon is defined as 231 cubic inches, exactly 3.785411784 liters.

How to use this converter

  1. Type the number of cups (cup) in the input box.
  2. The result in gallons appears instantly — no button needed.
  3. See the same value in every other volume unit just below.
  4. Use “Swap units” to convert gallons back to cups.

Tips for better results

  • Double-check which system a unit belongs to (for example US vs UK gallons).
  • Use the swap button to convert in the opposite direction instantly.
  • Bookmark the conversions you use most — each pair has its own page.

Frequently asked questions

How many gallons are in one cup?

One cup equals 0.0625 gallons. 0.0625 is the exact factor used by this converter.

How do I convert cups to gallons?

Multiply the value in cups by 0.0625. To go the other way, multiply gallons by 16.

What is 10 cup in gal?

10 cup = 0.625 gal. Also, 5 cup = 0.3125 gal and 100 cup = 6.25 gal.

What is the difference between a cup and a gallon?

A US customary cup is 8 US fluid ounces, about 236.59 mL (nutrition labels round to 240 mL). A US liquid gallon is defined as 231 cubic inches, exactly 3.785411784 liters.

Is this tool free and private?

Yes — the Cup to Gallon is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.

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