Tablespoon (UK) to Teaspoon (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

3

1 tbsp (UK) = 3 tsp (UK)

Formula:

tsp (UK) = tbsp (UK) × 3

With your value: 1 tbsp (UK) = 3 tsp (UK)

How big is that?

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

Soda can (1/54 your value)0.0186 tbsp (UK)

Milk carton (1/18 your value)0.0563 tbsp (UK)

Kitchen bucket (1/1.8 your value)0.563 tbsp (UK)

Your value1.00 tbsp (UK)

Car fuel tank (2.8× your value)2.82 tbsp (UK)

Bathtub (11× your value)11.3 tbsp (UK)

Other Tablespoon (UK) to Teaspoon (UK) conversions

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

Tablespoon (UK) to Teaspoon (UK) Conversion Table

Tablespoon (UK) (tbsp (UK))	Teaspoon (UK) (tsp (UK))
0.5	1.5
1	3
2	6
5	15
10	30
15	45
20	60
25	75
50	150
100	300
250	750
500	1,500
1000	3,000

Teaspoon (UK) to Tablespoon (UK) Conversion Table

Teaspoon (UK) (tsp (UK))	Tablespoon (UK) (tbsp (UK))
0.5	0.166667
1	0.333333
2	0.666667
5	1.666667
10	3.333333
15	5
20	6.666667
25	8.333333
50	16.666667
100	33.333333
250	83.333333
500	166.666667
1000	333.333333

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

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

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

How to Convert Tablespoon (UK) to Teaspoon (UK)

To convert from Tablespoon (UK) (tbsp (UK)) to Teaspoon (UK) (tsp (UK)), multiply the value by 3.

Formula: tsp (UK) = tbsp (UK) × 3

Reverse: tbsp (UK) = tsp (UK) × 0.3333333333

Step-by-Step Example

Start with your value in Tablespoon (UK). For example: 5 tbsp (UK)
Multiply by the conversion factor: 5 x 3
The result is: 15 tsp (UK)

About Tablespoon (UK)

The tablespoon (uk) (tbsp (UK)) is a unit of volume and capacity. One tablespoon (uk) equals 0.01775816406 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 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.

Frequently Asked Questions

How many Teaspoon (UK) are in 1 Tablespoon (UK)?

There are exactly 3 Teaspoon (UK) in 1 Tablespoon (UK). This means the conversion factor from Tablespoon (UK) to Teaspoon (UK) is 3.

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

The formula to convert Tablespoon (UK) to Teaspoon (UK) is: tsp (UK) = tbsp (UK) × 3. For example, to convert 10 Tablespoon (UK) to Teaspoon (UK), you would multiply 10 by 3.

What is a Tablespoon (UK)?