A teaspoon (US) is a unit of volume measurement commonly used in American kitchens and food labeling. It is part of the US customary system and is typically abbreviated as "tsp." One US teaspoon is defined as exactly 4.92892 milliliters. It's also equivalent to one-third of a US tablespoon and one forty-eighth of a US cup.
This unit is frequently seen in recipes for small quantities of ingredients like salt, baking powder, or vanilla extract. It's also a common part of household measuring spoon sets, which usually include ¼, ½, and 1 teaspoon sizes.
Uses: The US teaspoon is widely used in both culinary and non-culinary contexts across the United States. The US teaspoon is a commonly used unit in everyday cooking, especially in baking, where accurate measurements of ingredients like spices, extracts, and baking powder are key to getting consistent results. Outside the kitchen, this small but essential unit is frequently used in healthcare as a standard measure for liquid medications, particularly when dosing for children. While medical professionals usually recommend milliliters for precision, many over-the-counter medicines in the US still refer to teaspoons as a practical reference.
The imperial quart is a unit of volume from the imperial system, primarily used in the United Kingdom and some Commonwealth countries. One imperial quart equals 1.13652 liters or 40 imperial fluid ounces, making it larger than the US quart, which holds about 946 milliliters. It's abbreviated as qt and traditionally used to measure liquids and dry goods in household and commercial settings.
In the imperial system, a quart is equal to one-fourth of a gallon and twice the volume of a pint. Though metric units have largely replaced imperial measures in the UK, the quart still appears in older recipes, cooking references, and some product labels—especially in contexts where traditional measurements remain familiar and practical.
Uses: The imperial quart is often seen in vintage British recipes, where it's used to measure liquids like broth, milk, or cream. It also shows up in older cookbooks, measuring jugs, and kitchenware that still use imperial markings. While not as common in everyday packaging today, you might still encounter quarts in contexts like traditional food preparation or when referencing older British standards.
1 tsp = 0.004337 qt (imp)
Let’s say you want to convert 100 tsp to qt (imp).
Using the formula:
100 × 0.004337 = 0.434 qt (imp)
So, 100 tsp is approximately 0.434 qt (imp).
| Teaspoon (US) (tsp) | Quart (Imperial) (qt (imp)) |
|---|---|
| 1 tsp | 0.004 qt (imp) |
| 2 tsp | 0.009 qt (imp) |
| 3 tsp | 0.013 qt (imp) |
| 4 tsp | 0.017 qt (imp) |
| 5 tsp | 0.022 qt (imp) |
| 6 tsp | 0.026 qt (imp) |
| 7 tsp | 0.03 qt (imp) |
| 8 tsp | 0.035 qt (imp) |
| 9 tsp | 0.039 qt (imp) |
| 10 tsp | 0.043 qt (imp) |
| 11 tsp | 0.048 qt (imp) |
| 12 tsp | 0.052 qt (imp) |
| 13 tsp | 0.056 qt (imp) |
| 14 tsp | 0.061 qt (imp) |
| 15 tsp | 0.065 qt (imp) |