Gallon (US) to Cup (UK) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Gallon (US) to Cup (UK)
To liters: multiply by 3.785. To UK gallons: multiply by 0.832674. To cubic meters: multiply by 0.003785.
1 US gal = 4 US qt = 8 US pt = 16 US cups = 128 US fl oz = 3.785411784 L.
For example, 1 Gallon (US) (gal (US)) = 13.32278695 Cup (UK) (cup (UK)).
Gallon (US) to Cup (UK) — Common Values
| Gallon (US) (gal (US)) | Cup (UK) (cup (UK)) |
|---|---|
| 0.1 | 1.332278695 |
| 0.5 | 6.661393477 |
| 1 | 13.32278695 |
| 2 | 26.64557391 |
| 5 | 66.61393477 |
| 10 | 133.2278695 |
| 25 | 333.0696739 |
| 50 | 666.1393477 |
| 100 | 1332.278695 |
| 500 | 6661.393477 |
| 1000 | 13322.78695 |
About Gallon (US) (gal (US))
Definition
The US gallon is a unit of volume equal to 128 US fluid ounces, or approximately 3.785 liters, used for large liquid volumes.
Mathematical Relationship
1 US gal = 4 US qt = 8 US pt = 16 US cups = 128 US fl oz = 3.785411784 L.
Conversion Formula
To liters: multiply by 3.785. To UK gallons: multiply by 0.832674. To cubic meters: multiply by 0.003785.
Practical Applications
Fuel prices ($/gal), milk jugs, water cooler bottles, swimming pool chemicals, and paint quantities.
Interesting Facts
The US gallon is smaller than the UK gallon: 3.785 L vs. 4.546 L. This means UK fuel economy figures look better by number!
Common Mistakes
Confusing US and UK gallons — UK gallons are 20% larger. Fuel economy (mpg) differs significantly between the two systems.
Educational Tips
1 gallon ≈ 3.8 liters ≈ a large milk jug. 4 quarts = 1 gallon. A gallon of water weighs about 8.3 pounds.
About Cup (UK) (cup (UK))
Definition
The UK (imperial) cup is a unit of volume equal to 10 UK fluid ounces, or approximately 284.131 milliliters.
Mathematical Relationship
1 UK cup = 10 UK fl oz = 1/2 UK pint = 284.131 mL ≈ 1.2 US cups.
Conversion Formula
To mL: multiply by 284.131. To US cups: multiply by 1.201. To liters: multiply by 0.284131.
Practical Applications
Older British cookbooks, some Commonwealth recipes (especially pre-metric era), and traditional baking.
Interesting Facts
The UK cup is 20% larger than the US cup. A recipe calling for 1 UK cup actually requires about 1.2 US cups.
Common Mistakes
Using a US cup measure for a UK recipe — the 20% difference can ruin baked goods. Check the recipe's origin.
Educational Tips
UK kitchens rarely use cups now — most British recipes specify grams and mL. If you see 'cups' in a UK recipe, it's 284 mL.