Teaspoon (UK) to Fluid Ounce (US) Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Teaspoon (UK) to Fluid Ounce (US)
To mL: multiply by 5.919. To US teaspoons: multiply by 1.201. To metric teaspoons: multiply by 1.184.
1 UK tsp ≈ 5.919 mL. Approximately 1.2 times the US teaspoon (4.929 mL).
For example, 1 Teaspoon (UK) (tsp (UK)) = 0.2001583876 Fluid Ounce (US) (fl oz (US)).
Teaspoon (UK) to Fluid Ounce (US) — Common Values
| Teaspoon (UK) (tsp (UK)) | Fluid Ounce (US) (fl oz (US)) |
|---|---|
| 0.1 | 0.02001583876 |
| 0.5 | 0.1000791938 |
| 1 | 0.2001583876 |
| 2 | 0.4003167752 |
| 5 | 1.000791938 |
| 10 | 2.001583876 |
| 25 | 5.00395969 |
| 50 | 10.00791938 |
| 100 | 20.01583876 |
| 500 | 100.0791938 |
| 1000 | 200.1583876 |
About Teaspoon (UK) (tsp (UK))
Definition
The UK teaspoon is a unit of culinary volume equal to approximately 5.919 milliliters, slightly larger than its US counterpart.
Mathematical Relationship
1 UK tsp ≈ 5.919 mL. Approximately 1.2 times the US teaspoon (4.929 mL).
Conversion Formula
To mL: multiply by 5.919. To US teaspoons: multiply by 1.201. To metric teaspoons: multiply by 1.184.
Practical Applications
Traditional British recipes, Commonwealth cooking, and older pharmaceutical dosing in the UK.
Interesting Facts
The UK teaspoon is about 20% larger than the US teaspoon. A recipe calling for 5 UK teaspoons would need 6 US teaspoons.
Common Mistakes
Assuming UK and US teaspoons are the same — the UK teaspoon is about 20% larger. This matters in precise baking.
Educational Tips
Modern UK recipes increasingly use metric (5 mL teaspoons). When following older UK recipes, a UK tsp ≈ 6 mL.
About Fluid Ounce (US) (fl oz (US))
Definition
The US fluid ounce is a unit of liquid volume equal to 1/128 of a US gallon, or approximately 29.574 milliliters.
Mathematical Relationship
1 US fl oz = 2 US tbsp = 6 US tsp = 1/8 US cup = 29.5735 mL.
Conversion Formula
To mL: multiply by 29.5735. To UK fluid ounces: multiply by 1.04084. To tablespoons (US): multiply by 2.
Practical Applications
Beverage cans (12 fl oz), water bottles (16.9 fl oz), coffee sizes, medicine dosing, and shampoo bottles.
Interesting Facts
A US fluid ounce of water weighs almost exactly 1 avoirdupois ounce (29.57 mL ≈ 28.35 g). The UK fl oz is slightly smaller (28.41 mL).
Common Mistakes
Confusing fluid ounces (volume) with ounces (weight). Also, US and UK fluid ounces differ slightly.
Educational Tips
1 fl oz ≈ 30 mL (close enough). A soda can = 12 fl oz. A standard water bottle = 16.9 fl oz ≈ 500 mL.