Teaspoon (US) to Cup (UK) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Teaspoon (US) to Cup (UK)
To mL: multiply by 4.929. To UK teaspoons: multiply by 0.832674. To tablespoons (US): divide by 3.
1 US tsp = 1/3 US tbsp = 1/6 US fl oz = 1/48 US cup ≈ 4.929 mL.
For example, 1 Teaspoon (US) (tsp (US)) = 0.01734737883 Cup (UK) (cup (UK)).
Teaspoon (US) to Cup (UK) — Common Values
| Teaspoon (US) (tsp (US)) | Cup (UK) (cup (UK)) |
|---|---|
| 0.1 | 0.001734737883 |
| 0.5 | 0.008673689417 |
| 1 | 0.01734737883 |
| 2 | 0.03469475767 |
| 5 | 0.08673689417 |
| 10 | 0.1734737883 |
| 25 | 0.4336844708 |
| 50 | 0.8673689417 |
| 100 | 1.734737883 |
| 500 | 8.673689417 |
| 1000 | 17.34737883 |
About Teaspoon (US) (tsp (US))
Definition
The US teaspoon is a unit of culinary volume equal to 1/3 of a US tablespoon, or approximately 4.929 milliliters.
Mathematical Relationship
1 US tsp = 1/3 US tbsp = 1/6 US fl oz = 1/48 US cup ≈ 4.929 mL.
Conversion Formula
To mL: multiply by 4.929. To UK teaspoons: multiply by 0.832674. To tablespoons (US): divide by 3.
Practical Applications
Cooking and baking recipes, measuring medicine doses, adding spices, sugar or salt, and child medication dosing.
Interesting Facts
The US teaspoon is slightly smaller than the metric teaspoon (5 mL). The phrase 'a teaspoon of sugar' equals about 4 grams.
Common Mistakes
Using a regular eating spoon instead of a measuring teaspoon — actual teaspoons vary widely. Always use a calibrated spoon.
Educational Tips
3 tsp = 1 tbsp. 48 tsp = 1 cup. For mL conversion, remember 1 tsp ≈ 5 mL (the metric teaspoon is exactly 5 mL).
About Cup (UK) (cup (UK))
Definition
The UK (imperial) cup is a unit of volume equal to 10 UK fluid ounces, or approximately 284.131 milliliters.
Mathematical Relationship
1 UK cup = 10 UK fl oz = 1/2 UK pint = 284.131 mL ≈ 1.2 US cups.
Conversion Formula
To mL: multiply by 284.131. To US cups: multiply by 1.201. To liters: multiply by 0.284131.
Practical Applications
Older British cookbooks, some Commonwealth recipes (especially pre-metric era), and traditional baking.
Interesting Facts
The UK cup is 20% larger than the US cup. A recipe calling for 1 UK cup actually requires about 1.2 US cups.
Common Mistakes
Using a US cup measure for a UK recipe — the 20% difference can ruin baked goods. Check the recipe's origin.
Educational Tips
UK kitchens rarely use cups now — most British recipes specify grams and mL. If you see 'cups' in a UK recipe, it's 284 mL.