The imperial teaspoon is a unit of volume used primarily in the United Kingdom and other countries that once followed the imperial measurement system. It's slightly smaller than the US teaspoon, with one imperial teaspoon equal to 4.7355 milliliters. This unit is abbreviated as tsp and has historically appeared in older British cookbooks and kitchenware.
While the imperial system has been largely replaced by the metric system in the UK, many traditional recipes and household items still reference the imperial teaspoon. It's part of a broader set of imperial volume measurements, including tablespoons, fluid ounces, and pints.
Uses: The imperial teaspoon was once a standard unit in British kitchens, used to measure ingredients like sugar, baking powder, and liquid extracts. Though the UK officially uses the metric system today, imperial units still appear in everyday cooking, particularly in family recipes passed down through generations.
You may also see the imperial teaspoon referenced in medication dosages or on packaging in regions that retain imperial labeling. While modern measuring tools often default to metric or US volumes, the imperial teaspoon remains relevant for those following traditional British cooking or converting older recipes accurately.
The imperial gallon is a unit of volume used in the imperial measurement system, and it is historically common in the United Kingdom and several other countries. One imperial gallon is equal to 4.54609 liters, which makes it significantly larger than the US gallon (approximately 3.785 liters). It is abbreviated as gal and traditionally used for measuring liquids in larger quantities.
In the imperial system, a gallon is made up of four quarts, eight pints, or 160 imperial fluid ounces. Though the UK has officially adopted the metric system, the imperial gallon is still recognized in specific contexts and remains part of British measurement history. It's most commonly associated with fuel pricing and older food or drink packaging.
Uses: The imperial gallon is most commonly seen today at fuel stations in the UK, where petrol and diesel are still sold by the gallon for pricing comparisons, even though the actual quantity delivered is measured in liters. Historically, the gallon was used for everything from milk deliveries to beer and cider sales.
While modern recipes and packaging have largely shifted to liters and milliliters, the imperial gallon occasionally appears in traditional instructions or product specs, especially for bulk liquids. For those referencing older materials or converting classic measurements, the imperial gallon remains a useful and historically significant unit.
1 tsp (imp) = 0.001302 gal (imp)
Let’s say you want to convert 100 tsp (imp) to gal (imp).
Using the formula:
100 × 0.001302 = 0.13 gal (imp)
So, 100 tsp (imp) is approximately 0.13 gal (imp).
| Teaspoon (Imperial) (tsp (imp)) | Gallon (Imperial) (gal (imp)) |
|---|---|
| 1 tsp (imp) | 0.001 gal (imp) |
| 2 tsp (imp) | 0.003 gal (imp) |
| 3 tsp (imp) | 0.004 gal (imp) |
| 4 tsp (imp) | 0.005 gal (imp) |
| 5 tsp (imp) | 0.007 gal (imp) |
| 6 tsp (imp) | 0.008 gal (imp) |
| 7 tsp (imp) | 0.009 gal (imp) |
| 8 tsp (imp) | 0.01 gal (imp) |
| 9 tsp (imp) | 0.012 gal (imp) |
| 10 tsp (imp) | 0.013 gal (imp) |
| 11 tsp (imp) | 0.014 gal (imp) |
| 12 tsp (imp) | 0.016 gal (imp) |
| 13 tsp (imp) | 0.017 gal (imp) |
| 14 tsp (imp) | 0.018 gal (imp) |
| 15 tsp (imp) | 0.02 gal (imp) |