18 Tablespoon (UK) to Cup (US)
Quick answer
18 Tablespoon (UK) (tbsp (UK)) equals
1.351069 cup
To convert 18 Tablespoon (UK)s to Cup (US)s, multiply by 0.0750593703. Therefore, 18 Tablespoon (UK) (tbsp (UK)) equals 1.351069 Cup (US) (cup).
Formula: cup = tbsp (UK) × 0.0750593703. Calculation: 18 × 0.0750593703 = 1.351069 cup.
Convert Tablespoon (UK) (tbsp (UK)) to Cup (US) (cup) online with our free unit converter. In volume, 1 tbsp (UK) = 0.075059 cup. Explore step-by-step conversion steps, mathematical formulas, and quick conversion reference tables below.
Worked example: converting Tablespoon (UK) to Cup (US)
- Step 1 — start with the formula. cup = tbsp (UK) × 0.0750593703
- Step 2 — substitute your figure. 18 tbsp (UK) × 0.0750593703
- Step 3 — read the result. 18 tbsp (UK) = 1.351069 cup
- Step 4 — check it in reverse. tbsp (UK) = cup × 13.3227869541 returns 18 tbsp (UK), which matches the figure you started with.
Volume Converter
40 units available
18 tbsp (UK) = 1.351069 cup
Formula:
cup = tbsp (UK) × 0.0750593703With your value: 18 tbsp (UK) = 1.35106867 cup
How big is that?
Everyday references on a logarithmic scale, all expressed in tablespoon (uk) so you can sanity-check the result.
Other Tablespoon (UK) to Cup (US) conversions
Tablespoon (UK) to Cup (US) Conversion Table
| Tablespoon (UK) (tbsp (UK)) | Cup (US) (cup) |
|---|---|
| 0.5 | 0.03753 |
| 1 | 0.075059 |
| 2 | 0.150119 |
| 5 | 0.375297 |
| 10 | 0.750594 |
| 15 | 1.125891 |
| 20 | 1.501187 |
| 25 | 1.876484 |
| 50 | 3.752969 |
| 100 | 7.505937 |
| 250 | 18.764843 |
| 500 | 37.529685 |
| 1000 | 75.05937 |
Cup (US) to Tablespoon (UK) Conversion Table
| Cup (US) (cup) | Tablespoon (UK) (tbsp (UK)) |
|---|---|
| 0.5 | 6.661393 |
| 1 | 13.322787 |
| 2 | 26.645574 |
| 5 | 66.613935 |
| 10 | 133.22787 |
| 15 | 199.841804 |
| 20 | 266.455739 |
| 25 | 333.069674 |
| 50 | 666.139348 |
| 100 | 1,332.278695 |
| 250 | 3,330.696739 |
| 500 | 6,661.393477 |
| 1000 | 13,322.786954 |
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.
Tablespoon (UK) (tbsp (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
Cup (US) (cup)
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 Tablespoon (UK) to Cup (US)
To convert from Tablespoon (UK) (tbsp (UK)) to Cup (US) (cup), multiply the value by 0.0750593703.
Formula: cup = tbsp (UK) × 0.0750593703
Reverse: tbsp (UK) = cup × 13.3227869541
Step-by-Step Example
- Start with your value in Tablespoon (UK). For example: 5 tbsp (UK)
- Multiply by the conversion factor: 5 x 0.0750593703
- The result is: 0.375297 cup
Tablespoon (UK) and Cup (US) Relationship
Both Tablespoon (UK) and Cup (US) belong to the US Customary / Imperial system, making this an intra-system conversion within volume. Since 1 Tablespoon (UK) represents a fraction of a Cup (US) (1 Cup (US) ≈ 13.3228 Tablespoon (UK)s), the Cup (US) is the larger measurement interval. Understanding the relationship between Tablespoon (UK) and Cup (US) is essential for accurate calculations in physics, engineering, commerce, and daily applications.
About Tablespoon (UK)
The Tablespoon (UK) (symbol: tbsp (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 Tablespoon (UK): volume calculations, engineering and science, education.
About Cup (US)
The US cup equals approximately 236.6 mL and is a standard cooking measurement in the United States.
Common uses of Cup (US): baking, cooking, recipes.
Frequently Asked Questions
- What is 18 Tablespoon (UK) in Cup (US)?
- 18 Tablespoon (UK) equals 1.351069 Cup (US).
- How many Cup (US)s are in 1 Tablespoon (UK)?
- There are exactly 0.0750593703 Cup (US)s in 1 Tablespoon (UK). This means the conversion factor from Tablespoon (UK) to Cup (US) is 0.0750593703.
- What is the formula to convert Tablespoon (UK) to Cup (US)?
- The formula to convert Tablespoon (UK) to Cup (US) is: cup = tbsp (UK) × 0.0750593703. For example, to convert 10 Tablespoon (UK)s to Cup (US)s, you would multiply 10 by 0.0750593703.
- What is a Tablespoon (UK)?
- The Tablespoon (UK) (symbol: tbsp (UK)) is a recognized unit in the US Customary / Imperial measurement framework, utilized within volume applications for precision and standardized data representation.
- What is a Cup (US)?
- The US cup equals approximately 236.6 mL and is a standard cooking measurement in the United States.
- What are the common uses of Tablespoon (UK)?
- The Tablespoon (UK) is commonly used in volume calculations, engineering and science, education.
Related Volume Conversions
Cite this page
UnitConvertLab. (2026). 18 Tablespoon (UK) to Cup (US). UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/18-tablespoon_uk-to-cup_us