Teaspoon (UK) to Fluid Ounce (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

0.208333

1 tsp (UK) = 0.208333 fl oz (UK)

Formula:

fl oz (UK) = tsp (UK) × 0.2083333333

With your value: 1 tsp (UK) = 0.20833333 fl oz (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 Fluid Ounce (UK) conversions

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

Teaspoon (UK) to Fluid Ounce (UK) Conversion Table

Teaspoon (UK) (tsp (UK))	Fluid Ounce (UK) (fl oz (UK))
0.5	0.104167
1	0.208333
2	0.416667
5	1.041667
10	2.083333
15	3.125
20	4.166667
25	5.208333
50	10.416667
100	20.833333
250	52.083333
500	104.166667
1000	208.333333

Fluid Ounce (UK) to Teaspoon (UK) Conversion Table

Fluid Ounce (UK) (fl oz (UK))	Teaspoon (UK) (tsp (UK))
0.5	2.4
1	4.8
2	9.6
5	24
10	48
15	72
20	96
25	120
50	240
100	480
250	1,200
500	2,400
1000	4,800

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

Fluid Ounce (UK) (fl oz (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 Teaspoon (UK) to Fluid Ounce (UK)

To convert from Teaspoon (UK) (tsp (UK)) to Fluid Ounce (UK) (fl oz (UK)), multiply the value by 0.2083333333.

Formula: fl oz (UK) = tsp (UK) × 0.2083333333

Reverse: tsp (UK) = fl oz (UK) × 4.8

Step-by-Step Example

Start with your value in Teaspoon (UK). For example: 5 tsp (UK)
Multiply by the conversion factor: 5 x 0.2083333333
The result is: 1.041667 fl oz (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 Fluid Ounce (UK)

The fluid ounce (uk) (fl oz (UK)) is a unit of volume and capacity. One fluid ounce (uk) equals 0.0284130625 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 Fluid Ounce (UK) are in 1 Teaspoon (UK)?

There are exactly 0.2083333333 Fluid Ounce (UK) in 1 Teaspoon (UK). This means the conversion factor from Teaspoon (UK) to Fluid Ounce (UK) is 0.2083333333.

What is the formula to convert Teaspoon (UK) to Fluid Ounce (UK)?

The formula to convert Teaspoon (UK) to Fluid Ounce (UK) is: fl oz (UK) = tsp (UK) × 0.2083333333. For example, to convert 10 Teaspoon (UK) to Fluid Ounce (UK), you would multiply 10 by 0.2083333333.

What is a Teaspoon (UK)?