VOLUME CONVERSION
Imperial gallon to Metric cup.
Convert imperial gallon (gal (UK)) to metric cup (cup (metric)), with the math explained.
1 gal (UK) = 18.18436 cup (metric)
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 metric cup
Multiply your imperial gallon value by 18.18436 to get the equivalent in metric cup. Both units are normalized through the liter.
cup (metric) = gal (UK) × 18.1843610 gal (UK) = 181.8436 cup (metric)
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 (metric) conversion table
| Imperial gallon (gal (UK)) | Metric cup (cup (metric)) |
|---|---|
| 1 gal (UK) | 18.18436 cup (metric) |
| 2 gal (UK) | 36.36872 cup (metric) |
| 5 gal (UK) | 90.9218 cup (metric) |
| 10 gal (UK) | 181.8436 cup (metric) |
| 20 gal (UK) | 363.6872 cup (metric) |
| 50 gal (UK) | 909.218 cup (metric) |
| 100 gal (UK) | 1,818.436 cup (metric) |
| 500 gal (UK) | 9,092.18 cup (metric) |
| 1,000 gal (UK) | 18,184.36 cup (metric) |
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 metric cup
The metric cup (cup (metric)) is a unit of volume. One metric cup equals 0.25 liter (base unit) in this calculator.
All metric cup conversionsCommon questions
What is 1 gal (UK) in cup (metric)?
One imperial gallon equals 18.18436 cup (metric). 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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