The gallon (US) is a large unit of volume used in the U.S. customary measurement system. One US gallon is equal to 128 US fluid ounces, or approximately 3.785 liters. It's commonly abbreviated as gal and is often used for measuring larger quantities of liquids in household and commercial settings.
As one of the largest common units for liquid measurement in the United States, the gallon is widely recognized for storing and transporting liquids like milk, water, and gasoline. Its size makes it practical for bulk quantities and remains a standard unit in industries ranging from agriculture to retail packaging.
Uses: In everyday life, the US gallon is most commonly seen on milk jugs, bottled water, and fuel pumps. Whether you're filling up a gas tank or picking up a gallon of juice at the grocery store, this unit is a familiar part of American routines.
Beyond the home, the gallon is used across industries that handle large volumes—such as food service, chemical production, and farming. It's also a staple in recipes or instructions for making batches of beverages, soups, or cleaning solutions. Thanks to its capacity and widespread use, the gallon remains one of the most practical and recognizable units for measuring liquids in bulk.
The imperial cup is a unit of volume that was historically used in the United Kingdom and other countries that followed the imperial measurement system. One imperial cup is equal to 284.131 milliliters, making it slightly larger than the US cup, which holds about 236.588 milliliters. While not as widely used today due to the UK's adoption of the metric system, the imperial cup still appears in older recipes, cookbooks, and household measurements.
It was designed to be a convenient mid-range measure—larger than a tablespoon but smaller than a pint. In many traditional British kitchens, the cup was used for dry and liquid ingredients, often measured with simple household items or standard measuring cups that followed imperial standards.
Uses: The imperial cup is most commonly seen in classic British recipes and cookbooks written before metrication. It measured ingredients like flour, sugar, milk, and oil in home and professional kitchens. Even today, you may find imperial cup references in family recipes passed down over generations or in online conversions of older dishes.
Though the UK now uses grams and milliliters for most cooking and product packaging, the imperial cup still holds relevance for those recreating traditional British meals or converting recipes that rely on imperial units. It also occasionally appears on measuring cups that include metric and imperial markings, helping home cooks bridge the gap between old and new systems.
1 gal = 13.322763 cup (imp)
Let’s say you want to convert 100 gal to cup (imp).
Using the formula:
100 × 13.322763 = 1332.276 cup (imp)
So, 100 gal is approximately 1332.276 cup (imp).
| Gallon (US) (gal) | Cup (Imperial) (cup (imp)) |
|---|---|
| 1 gal | 13.323 cup (imp) |
| 2 gal | 26.646 cup (imp) |
| 3 gal | 39.968 cup (imp) |
| 4 gal | 53.291 cup (imp) |
| 5 gal | 66.614 cup (imp) |
| 6 gal | 79.937 cup (imp) |
| 7 gal | 93.259 cup (imp) |
| 8 gal | 106.582 cup (imp) |
| 9 gal | 119.905 cup (imp) |
| 10 gal | 133.228 cup (imp) |
| 11 gal | 146.55 cup (imp) |
| 12 gal | 159.873 cup (imp) |
| 13 gal | 173.196 cup (imp) |
| 14 gal | 186.519 cup (imp) |
| 15 gal | 199.841 cup (imp) |