Teaspoon (US) to Fluid Ounce (UK) Converter
Quick answer
To convert Teaspoon (US)s to Fluid Ounce (UK)s, multiply by 0.1734737885 (or divide by 5.7645596424). Therefore, 1 Teaspoon (US) (tsp) equals 0.17347379 Fluid Ounce (UK)s (fl oz (UK)).
Formula: fl oz (UK) = tsp × 0.1734737885. Worked example: 10 tsp = 1.734738 fl oz (UK).
Convert Teaspoon (US) (tsp) to Fluid Ounce (UK) (fl oz (UK)) online with our free unit converter. In volume, 1 tsp = 0.173474 fl oz (UK). Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Teaspoon (US) to Fluid Ounce (UK)
- Step 1 — start with the formula. fl oz (UK) = tsp × 0.1734737885
- Step 2 — substitute your figure. 10 tsp × 0.1734737885
- Step 3 — read the result. 10 tsp = 1.734738 fl oz (UK)
- Step 4 — check it in reverse. tsp = fl oz (UK) × 5.7645596424 returns 10 tsp, which matches the figure you started with.
Volume Converter
40 units available
1 tsp = 0.173474 fl oz (UK)
Formula:
fl oz (UK) = tsp × 0.1734737885With your value: 1 tsp = 0.17347379 fl oz (UK)
How big is that?
Everyday references on a logarithmic scale, all expressed in teaspoon (us) so you can sanity-check the result.
Other Teaspoon (US) to Fluid Ounce (UK) conversions
Teaspoon (US) to Fluid Ounce (UK) Conversion Table
| Teaspoon (US) (tsp) | Fluid Ounce (UK) (fl oz (UK)) |
|---|---|
| 0.5 | 0.086737 |
| 1 | 0.173474 |
| 2 | 0.346948 |
| 5 | 0.867369 |
| 10 | 1.734738 |
| 15 | 2.602107 |
| 20 | 3.469476 |
| 25 | 4.336845 |
| 50 | 8.673689 |
| 100 | 17.347379 |
| 250 | 43.368447 |
| 500 | 86.736894 |
| 1000 | 173.473788 |
Fluid Ounce (UK) to Teaspoon (US) Conversion Table
| Fluid Ounce (UK) (fl oz (UK)) | Teaspoon (US) (tsp) |
|---|---|
| 0.5 | 2.88228 |
| 1 | 5.76456 |
| 2 | 11.529119 |
| 5 | 28.822798 |
| 10 | 57.645596 |
| 15 | 86.468395 |
| 20 | 115.291193 |
| 25 | 144.113991 |
| 50 | 288.227982 |
| 100 | 576.455964 |
| 250 | 1,441.139911 |
| 500 | 2,882.279821 |
| 1000 | 5,764.559642 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Teaspoon (US) (tsp)
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
Fluid Ounce (UK) (fl oz (UK))
Volume
Derived from the cubic metre. The litre is exactly 10⁻³ m³; US and imperial capacity units are exact multiples fixed by statute.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Teaspoon (US) to Fluid Ounce (UK)
To convert from Teaspoon (US) (tsp) to Fluid Ounce (UK) (fl oz (UK)), multiply the value by 0.1734737885.
Formula: fl oz (UK) = tsp × 0.1734737885
Reverse: tsp = fl oz (UK) × 5.7645596424
Step-by-Step Example
- Start with your value in Teaspoon (US). For example: 5 tsp
- Multiply by the conversion factor: 5 x 0.1734737885
- The result is: 0.867369 fl oz (UK)
Teaspoon (US) and Fluid Ounce (UK) Relationship
Both Teaspoon (US) and Fluid Ounce (UK) belong to the US Customary / Imperial system, making this an intra-system conversion within volume. Since 1 Teaspoon (US) represents a fraction of a Fluid Ounce (UK) (1 Fluid Ounce (UK) ≈ 5.7646 Teaspoon (US)s), the Fluid Ounce (UK) is the larger measurement interval. Understanding the relationship between Teaspoon (US) and Fluid Ounce (UK) is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Teaspoon (US)
The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.
Common uses of Teaspoon (US): cooking, medicine dosage, baking.
About Fluid Ounce (UK)
The Fluid Ounce (UK) (symbol: fl oz (UK)) is a recognized unit in the US Customary / Imperial measurement framework, utilized within volume applications for precision and standardized data representation.
Common uses of Fluid Ounce (UK): volume calculations, engineering and science, education.
Frequently Asked Questions
- How many Fluid Ounce (UK)s are in 1 Teaspoon (US)?
- There are exactly 0.1734737885 Fluid Ounce (UK)s in 1 Teaspoon (US). This means the conversion factor from Teaspoon (US) to Fluid Ounce (UK) is 0.1734737885.
- What is the formula to convert Teaspoon (US) to Fluid Ounce (UK)?
- The formula to convert Teaspoon (US) to Fluid Ounce (UK) is: fl oz (UK) = tsp × 0.1734737885. For example, to convert 10 Teaspoon (US)s to Fluid Ounce (UK)s, you would multiply 10 by 0.1734737885.
- What is a Teaspoon (US)?
- The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.
- What is a Fluid Ounce (UK)?
- The Fluid Ounce (UK) (symbol: fl oz (UK)) is a recognized unit in the US Customary / Imperial measurement framework, utilized within volume applications for precision and standardized data representation.
- What are the common uses of Teaspoon (US)?
- The Teaspoon (US) is commonly used in cooking, medicine dosage, baking.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). Teaspoon (US) to Fluid Ounce (UK) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/teaspoon_us-to-fluid_ounce_uk