Teaspoon (US) to Gallon (UK) Converter
Convert Teaspoon (US) (tsp) to Gallon (UK) (gal (UK)) instantly. 1 tsp = 0.001084 gal (UK).
Volume Converter
40 units available
1 tsp = 0.001084 gal (UK)
Formula:
gal (UK) = tsp × 0.0010842112With your value: 1 tsp = 0.00108421 gal (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 Gallon (UK) conversions
Teaspoon (US) to Gallon (UK) Conversion Table
| Teaspoon (US) (tsp) | Gallon (UK) (gal (UK)) |
|---|---|
| 0.5 | 0.000542 |
| 1 | 0.001084 |
| 2 | 0.002168 |
| 5 | 0.005421 |
| 10 | 0.010842 |
| 15 | 0.016263 |
| 20 | 0.021684 |
| 25 | 0.027105 |
| 50 | 0.054211 |
| 100 | 0.108421 |
| 250 | 0.271053 |
| 500 | 0.542106 |
| 1000 | 1.084211 |
Gallon (UK) to Teaspoon (US) Conversion Table
| Gallon (UK) (gal (UK)) | Teaspoon (US) (tsp) |
|---|---|
| 0.5 | 461.164771 |
| 1 | 922.329543 |
| 2 | 1,844.659086 |
| 5 | 4,611.647714 |
| 10 | 9,223.295428 |
| 15 | 13,834.943142 |
| 20 | 18,446.590856 |
| 25 | 23,058.23857 |
| 50 | 46,116.477139 |
| 100 | 92,232.954279 |
| 250 | 230,582.385697 |
| 500 | 461,164.771394 |
| 1000 | 922,329.542788 |
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
Gallon (UK) (gal (UK))
Volume
The imperial gallon is exactly 4.546 09 L (Weights and Measures Act 1985).
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Teaspoon (US) to Gallon (UK)
To convert from Teaspoon (US) (tsp) to Gallon (UK) (gal (UK)), multiply the value by 0.0010842112.
Formula: gal (UK) = tsp × 0.0010842112
Reverse: tsp = gal (UK) × 922.3295427877
Step-by-Step Example
- Start with your value in Teaspoon (US). For example: 5 tsp
- Multiply by the conversion factor: 5 x 0.0010842112
- The result is: 0.005421 gal (UK)
About Teaspoon (US)
The US teaspoon equals approximately 4.93 mL. It is one of the most common cooking measurements.
Common uses: cooking, medicine dosage, baking.
About Gallon (UK)
The imperial gallon equals exactly 4.54609 litres, about 20% larger than the US gallon — a frequent source of fuel-economy confusion.
Common uses: UK fuel figures, brewing, older recipes.
Frequently Asked Questions
How many Gallon (UK) are in 1 Teaspoon (US)?
There are exactly 0.0010842112 Gallon (UK) in 1 Teaspoon (US). This means the conversion factor from Teaspoon (US) to Gallon (UK) is 0.0010842112.
What is the formula to convert Teaspoon (US) to Gallon (UK)?
The formula to convert Teaspoon (US) to Gallon (UK) is: gal (UK) = tsp × 0.0010842112. For example, to convert 10 Teaspoon (US) to Gallon (UK), you would multiply 10 by 0.0010842112.
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 Gallon (UK)?
The imperial gallon equals exactly 4.54609 litres, about 20% larger than the US gallon — a frequent source of fuel-economy confusion.
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 Gallon (UK) converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/teaspoon_us-to-gallon_uk