Imperial Gallons to Metric Cups
Convert Imperial Gallons to Metric Cups instantly. Free online volume unit converter with exact formula, conversion table and FAQ.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
Use the converter to see the formula.
Results update instantly for Imperial Gallons to Metric Cups conversions.
Reserved above the conversion cards and below the converter.
Formula
metric cup = gal (UK) × 18.18436
gal (UK) = metric cup ÷ 18.18436
Conversion table
| 1 gal (UK) | 18.1844 metric cup |
| 5 gal (UK) | 90.9218 metric cup |
| 10 gal (UK) | 181.844 metric cup |
| 20 gal (UK) | 363.687 metric cup |
| 50 gal (UK) | 909.218 metric cup |
| 100 gal (UK) | 1818.44 metric cup |
| 500 gal (UK) | 9092.18 metric cup |
| 1000 gal (UK) | 18184.4 metric cup |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many Metric Cups are in one Imperial Gallon?
One Imperial Gallon equals 18.18436 metric cup.
How do I convert Imperial Gallons to Metric Cups?
Multiply the value in Imperial Gallons by 18.18436 to get Metric Cups. Formula: metric cup = gal (UK) × 18.18436.
Is this Imperial Gallons to Metric Cups conversion exact?
Yes. It is based on internationally recognized unit definitions, so the factor 18.18436 is exact to the precision shown.
When is Imperial Gallons to Metric Cups commonly used?
It is commonly used for fuel, beverages, cooking, water storage, agriculture, laboratories, and everyday industrial liquid measurements.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
The Imperial Gallon and the Metric Cup are both units of volume. The imperial gallon is the standard liquid volume unit in the United Kingdom and several Commonwealth countries, used for fuel and household liquids. The metric cup is a rounded, easy-to-measure volume unit equal to exactly 250 milliliters, used in Australia, the UK, and other metric countries. To convert, multiply the Imperial Gallons value by 18.18436 (formula: metric cup = gal (UK) × 18.18436). It is commonly used for fuel, beverages, cooking, water storage, agriculture, laboratories, and everyday industrial liquid measurements. This conversion factor is derived directly from the internationally accepted metric and customary unit definitions, so results are precise and repeatable.