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.
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 tsp (imp) = 0.005919 L
Let’s say you want to convert 100 tsp (imp) to L.
Using the formula:
100 × 0.005919 = 0.592 L
So, 100 tsp (imp) is approximately 0.592 L.
| Teaspoon (Imperial) (tsp (imp)) | Liter (L) |
|---|---|
| 1 tsp (imp) | 0.006 L |
| 2 tsp (imp) | 0.012 L |
| 3 tsp (imp) | 0.018 L |
| 4 tsp (imp) | 0.024 L |
| 5 tsp (imp) | 0.03 L |
| 6 tsp (imp) | 0.036 L |
| 7 tsp (imp) | 0.041 L |
| 8 tsp (imp) | 0.047 L |
| 9 tsp (imp) | 0.053 L |
| 10 tsp (imp) | 0.059 L |
| 11 tsp (imp) | 0.065 L |
| 12 tsp (imp) | 0.071 L |
| 13 tsp (imp) | 0.077 L |
| 14 tsp (imp) | 0.083 L |
| 15 tsp (imp) | 0.089 L |