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Cup to Gallon Converter

Convert cups to gallons online. 1 cup = 0.0625 gal. Free, instant Cup-to-Gallon converter. Works both ways with a formula and reference table.

Cup → Gallon

1 cup = 0.0625 gal

Cup to Gallon conversion table

Cup (cup)Gallon (gal)
1 cup0.0625 gal
2 cup0.125 gal
5 cup0.3125 gal
10 cup0.625 gal
25 cup1.5625 gal
50 cup3.125 gal
100 cup6.25 gal
  • Instant, live Cup ↔ Gallon conversion
  • Accurate to the exact conversion factor
  • Converts in both directions
  • Reference table of common values
  • 100% private — runs entirely in your browser
  • Free, no sign-up, works offline

How to use the Cup to Gallon Converter

  1. 1

    Type the number of cups in the first box.

  2. 2

    Read the equivalent value in gallons instantly in the second box.

  3. 3

    Or type a Gallon value to convert back to cups — it works both ways.

  4. 4

    Copy the result, or check the reference table for common conversions.

About the Cup to Gallon Converter

The ByteTools Cup to Gallon Converter changes cups into gallons instantly. One Cup equals 0.0625 Gallons (gal), and the tool applies that exact factor as you type so you get a precise answer every time.

Volume conversions are everyday tasks in cooking and baking, chemistry, fuel and drinks, bridging metric litres and US customary cups and gallons. Everything is calculated locally in your browser — nothing is uploaded — so it is fast, private and works offline. Enter a number in either box to convert both ways, and use the table for common Cup-to-Gallon values at a glance.

Frequently asked questions

How many Gallons are in a Cup?

One Cup equals 0.0625 Gallons (gal). To convert, multiply the number of Cups by 0.0625. For example, 10 Cups = 0.625 Gallons.

What is the formula to convert Cups to Gallons?

Multiply the Cup value by 0.0625 to get Gallons. In symbols, gal = cup × 0.0625. This converter applies the exact factor automatically so you never round by hand.

How do I convert Gallons back to Cups?

Divide by 0.0625, or multiply by 16. You can also use our Gallon to Cup converter for the reverse direction — it uses the same exact factor.

Is this Cup to Gallon converter free and private?

Yes. The conversion runs entirely in your browser with JavaScript — nothing you type is uploaded, logged or stored. It is completely free, needs no sign-up and keeps working offline once loaded.

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