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.
A liter is a metric unit of volume used around the world to measure liquids and other fluid substances. It's spelled liter in American English (and litre in British English), and is abbreviated as L or l. One liter is equal to 1,000 milliliters or 0.26417 US gallons, making it a practical size for measuring both household and commercial quantities.
As the base unit of volume in the metric system, the liter is widely used in cooking, grocery labeling, beverages, scientific measurements, and industrial applications. From water bottles and milk cartons to chemical solutions and fuel containers, the liter provides a universal standard that's easy to work with and convert.
Uses: The liter is one of the most widely used volume units globally. In daily life, it's found on drink labels, cleaning products, and food packaging. Everyday items like juice, milk, and bottled water are often sold in whole or fractional liters, making it easy for consumers to understand quantity at a glance.
The liter is used in the kitchen to measure liquids in recipes or for serving sizes. In healthcare, the liter is used for preparing IV fluids, running lab tests, and mixing medications. It’s also used in the auto industry to measure things like engine oil and fuel efficiency. Because it’s easy to understand and widely accepted, the liter continues to be a go-to unit across many areas of daily life.
1 cup (imp) = 0.284131 L
Let’s say you want to convert 100 cup (imp) to L.
Using the formula:
100 × 0.284131 = 28.413 L
So, 100 cup (imp) is approximately 28.413 L.
| Cup (Imperial) (cup (imp)) | Liter (L) |
|---|---|
| 1 cup (imp) | 0.284 L |
| 2 cup (imp) | 0.568 L |
| 3 cup (imp) | 0.852 L |
| 4 cup (imp) | 1.137 L |
| 5 cup (imp) | 1.421 L |
| 6 cup (imp) | 1.705 L |
| 7 cup (imp) | 1.989 L |
| 8 cup (imp) | 2.273 L |
| 9 cup (imp) | 2.557 L |
| 10 cup (imp) | 2.841 L |
| 11 cup (imp) | 3.125 L |
| 12 cup (imp) | 3.41 L |
| 13 cup (imp) | 3.694 L |
| 14 cup (imp) | 3.978 L |
| 15 cup (imp) | 4.262 L |