Quick answer: 1 Gallon in Cup
1 gal equals 16 cup. To convert Gallon to Cup, multiply by 16 using the free calculator above — no signup needed.
Cooking units
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About Cooking Converter
The Cooking Converter converts between 9 different units, including Cup, Milliliter, Tablespoon, Teaspoon, Fluid Ounce. The base unit is the Cup, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Cup = 236.588236 Milliliter, 16 Tablespoon, 48 Teaspoon.
Scale of this category: the smallest unit is the Milliliter (ml) and the largest is the Gallon (gal).
Last updated: 2026-09-15
Cooking conversion factors
| Unit | Symbol | Value in Cup |
|---|---|---|
| Cup | cup | 1 cup = 1 cup |
| Milliliter | ml | 1 ml = 0.00422675 cup |
| Tablespoon | tbsp | 1 tbsp = 0.0625 cup |
| Teaspoon | tsp | 1 tsp = 0.0208333 cup |
| Fluid Ounce | fl oz | 1 fl oz = 0.125 cup |
| Pint | pt | 1 pt = 2 cup |
| Quart | qt | 1 qt = 4 cup |
| Liter | L | 1 L = 4.226753 cup |
| Gallon | gal | 1 gal = 16 cup |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Gallon in Cup?
- Multiply 1 by the conversion factor 16
- 1 Gallon = 16 Cup
How much is 5 Gallon in Cup?
- Multiply 5 by the conversion factor 16
- 5 Gallon = 80 Cup
How much is 25 Gallon in Cup?
- Multiply 25 by the conversion factor 16
- 25 Gallon = 400 Cup
Quick Conversion Reference Table
| Gallon (gal) | Cup (cup) |
|---|---|
| 1 gal (Gallon) | 16 cup (Cup) |
| 2 gal (Gallon) | 32 cup (Cup) |
| 5 gal (Gallon) | 80 cup (Cup) |
| 10 gal (Gallon) | 160 cup (Cup) |
| 20 gal (Gallon) | 320 cup (Cup) |
| 50 gal (Gallon) | 800 cup (Cup) |
| 100 gal (Gallon) | 1600 cup (Cup) |
| 500 gal (Gallon) | 8000 cup (Cup) |
| 1000 gal (Gallon) | 16000 cup (Cup) |
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FAQ
How much is 1 Gallon in Cup?
1 Gallon = 16 Cup.
How do I convert Gallon to Cup?
Enter your value in Gallon into the converter above and the result in Cup appears instantly. 1 gal equals 16 cup — just multiply your value by 16.
What is the formula for Gallon to Cup?
The formula is: value in Cup = value in Gallon × 16. For example, 5 gal × 16 = 80 cup.
Is this Gallon to Cup converter free and accurate?
Yes. This Gallon to Cup converter is 100% free, uses the exact international conversion factor (16), and works on any device with no signup.
How do I convert Cup back to Gallon?
To convert back, divide by 16 (or multiply by 0.0625). You can also use our dedicated How Many Gallon in 1 Cup? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Cooking units are supported?
This converter supports 9 units: Cup, Milliliter, Tablespoon, Teaspoon, Fluid Ounce, Pint, Quart, Liter, Gallon.