VOLUME CONVERSION
Imperial gallon to US cup.
Convert imperial gallon (gal (UK)) to us cup (cup (US)), with the math explained.
1 gal (UK) = 19.21519881 cup (US)
US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
THE MATH, MADE SIMPLE
How to convert imperial gallon to us cup
Multiply your imperial gallon value by 19.2151988081 to get the equivalent in us cup. Both units are normalized through the liter.
cup (US) = gal (UK) × 19.2151988110 gal (UK) = 192.151988081 cup (US)
Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.US and UK gallons, pints, and fluid ounces are different sizes. A metric cup is 250 mL; a US customary cup is 236.5882365 mL.
QUICK REFERENCE
gal (UK) to cup (US) conversion table
| Imperial gallon (gal (UK)) | US cup (cup (US)) |
|---|---|
| 1 gal (UK) | 19.2151988081 cup (US) |
| 2 gal (UK) | 38.4303976162 cup (US) |
| 5 gal (UK) | 96.0759940404 cup (US) |
| 10 gal (UK) | 192.151988081 cup (US) |
| 20 gal (UK) | 384.303976162 cup (US) |
| 50 gal (UK) | 960.759940404 cup (US) |
| 100 gal (UK) | 1,921.51988081 cup (US) |
| 500 gal (UK) | 9,607.59940404 cup (US) |
| 1,000 gal (UK) | 19,215.1988081 cup (US) |
About the imperial gallon
The imperial gallon (gal (UK)) is a unit of volume. One imperial gallon equals 4.54609 liter (base unit) in this calculator.
All imperial gallon conversionsAbout the us cup
The us cup (cup (US)) is a unit of volume. One us cup equals 0.2365882365 liter (base unit) in this calculator.
All us cup conversionsCommon questions
What is 1 gal (UK) in cup (US)?
One imperial gallon equals 19.2151988081 cup (US). Use the formula above for other values.
Why might another calculator show a different last digit?
Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.
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