US Gallons to Cups Converter

Enter US gallons and instantly see the equivalent in cups (1 gallon = 16 cups).

US Gallons

Quick select

Cups

Enter gallons to see the result.

Common Gallon to Cup Conversions

US Gallons Cups Quarts Pints
1/4 gal 4 1 2
1/2 gal 8 2 4
1 gal 16 4 8
2 gal 32 8 16
3 gal 48 12 24
5 gal 80 20 40
10 gal 160 40 80
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Summary

Enter US gallons and instantly see the equivalent in cups (1 gallon = 16 cups).

How it works

  1. Enter the number of US gallons in the input field.
  2. The converter multiplies your value by 16 (the exact conversion factor).
  3. The result in cups appears instantly below.
  4. Use the quick-select buttons for common gallon amounts.
  5. Click "Copy Result" to copy the cup value to your clipboard.

Use cases

  • Scale up recipes that call for gallons into cup measurements.
  • Convert large beverage containers (water jugs, juice, milk) to cups.
  • Calculate servings when buying drinks in bulk for a party.
  • Convert irrigation or cleaning solution volumes for household tasks.
  • Help students understand US customary liquid volume relationships.

Frequently Asked Questions

Last updated: 2026-06-11 · Reviewed by Nham Vu