Teaspoon (UK) to Gallon (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

0.001302

1 tsp (UK) = 0.001302 gal (UK)

Formula:

gal (UK) = tsp (UK) × 0.0013020833

With your value: 1 tsp (UK) = 0.00130208 gal (UK)

How big is that?

Everyday references on a logarithmic scale, all expressed in teaspoon (uk) so you can sanity-check the result.

Soda can (1/18 your value)0.0557 tsp (UK)

Milk carton (1/5.9 your value)0.169 tsp (UK)

Your value1.00 tsp (UK)

Kitchen bucket (1.7× your value)1.69 tsp (UK)

Car fuel tank (8.4× your value)8.45 tsp (UK)

Bathtub (34× your value)33.8 tsp (UK)

Other Teaspoon (UK) to Gallon (UK) conversions

2 tsp (UK) to gal (UK)3 tsp (UK) to gal (UK)4 tsp (UK) to gal (UK)5 tsp (UK) to gal (UK)6 tsp (UK) to gal (UK)7 tsp (UK) to gal (UK)8 tsp (UK) to gal (UK)

Teaspoon (UK) to Gallon (UK) Conversion Table

Teaspoon (UK) (tsp (UK))	Gallon (UK) (gal (UK))
0.5	0.000651
1	0.001302
2	0.002604
5	0.00651
10	0.013021
15	0.019531
20	0.026042
25	0.032552
50	0.065104
100	0.130208
250	0.325521
500	0.651042
1000	1.302083

Gallon (UK) to Teaspoon (UK) Conversion Table

Gallon (UK) (gal (UK))	Teaspoon (UK) (tsp (UK))
0.5	384
1	768
2	1,536
5	3,840
10	7,680
15	11,520
20	15,360
25	19,200
50	38,400
100	76,800
250	192,000
500	384,000
1000	768,000

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 (UK) (tsp (UK))

Volume

Exact conversion

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

Exact conversion

The imperial gallon is exactly 4.546 09 L (Weights and Measures Act 1985).

Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

National Institute of Standards and Technology (US) · Reviewed 2026-07-01

How to Convert Teaspoon (UK) to Gallon (UK)

To convert from Teaspoon (UK) (tsp (UK)) to Gallon (UK) (gal (UK)), multiply the value by 0.0013020833.

Formula: gal (UK) = tsp (UK) × 0.0013020833

Reverse: tsp (UK) = gal (UK) × 768.0000000004

Step-by-Step Example

Start with your value in Teaspoon (UK). For example: 5 tsp (UK)
Multiply by the conversion factor: 5 x 0.0013020833
The result is: 0.00651 gal (UK)

About Teaspoon (UK)

The teaspoon (uk) (tsp (UK)) is a unit of volume and capacity. One teaspoon (uk) equals 0.005919388021 litres. UnitConvertLab converts it against every other volume unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: volume calculations, engineering and science, education.

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 (UK)?

There are exactly 0.0013020833 Gallon (UK) in 1 Teaspoon (UK). This means the conversion factor from Teaspoon (UK) to Gallon (UK) is 0.0013020833.

What is the formula to convert Teaspoon (UK) to Gallon (UK)?

The formula to convert Teaspoon (UK) to Gallon (UK) is: gal (UK) = tsp (UK) × 0.0013020833. For example, to convert 10 Teaspoon (UK) to Gallon (UK), you would multiply 10 by 0.0013020833.

What is a Teaspoon (UK)?