BYTETOOLS

Gallon to Cup Converter

Convert gallons to cups online. 1 gal = 16 cup. Free, instant Gallon-to-Cup converter. Works both ways with a formula and reference table.

Gallon → Cup

1 gal = 16 cup

Gallon to Cup conversion table

Gallon (gal)Cup (cup)
1 gal16 cup
2 gal32 cup
5 gal80 cup
10 gal160 cup
25 gal400 cup
50 gal800 cup
100 gal1600 cup
  • Instant, live Gallon ↔ Cup 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 Gallon to Cup Converter

  1. 1

    Type the number of gallons in the first box.

  2. 2

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

  3. 3

    Or type a Cup value to convert back to gallons — it works both ways.

  4. 4

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

About the Gallon to Cup Converter

The ByteTools Gallon to Cup Converter changes gallons into cups instantly. One Gallon equals 16 Cups (cup), 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 Gallon-to-Cup values at a glance.

Frequently asked questions

How many Cups are in a Gallon?

One Gallon equals 16 Cups (cup). To convert, multiply the number of Gallons by 16. For example, 10 Gallons = 160 Cups.

What is the formula to convert Gallons to Cups?

Multiply the Gallon value by 16 to get Cups. In symbols, cup = gal × 16. This converter applies the exact factor automatically so you never round by hand.

How do I convert Cups back to Gallons?

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

Is this Gallon to Cup 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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