Fluid Ounce (UK) to Teaspoon (US) Converter

Volume Converter

40 units available

Decimals:

From

To

5.76456

1 fl oz (UK) = 5.76456 tsp

Formula:

tsp = fl oz (UK) × 5.7645596424

With your value: 1 fl oz (UK) = 5.76455964 tsp

How big is that?

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

Milk carton (1/28 your value)0.0352 fl oz (UK)

Kitchen bucket (1/2.8 your value)0.352 fl oz (UK)

Your value1.00 fl oz (UK)

Car fuel tank (1.8× your value)1.76 fl oz (UK)

Bathtub (7.0× your value)7.04 fl oz (UK)

Hot tub (53× your value)52.8 fl oz (UK)

Other Fluid Ounce (UK) to Teaspoon (US) conversions

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

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

Fluid Ounce (UK) (fl oz (UK))	Teaspoon (US) (tsp)
0.5	2.88228
1	5.76456
2	11.529119
5	28.822798
10	57.645596
15	86.468395
20	115.291193
25	144.113991
50	288.227982
100	576.455964
250	1,441.139911
500	2,882.279821
1000	5,764.559642

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

Teaspoon (US) (tsp)	Fluid Ounce (UK) (fl oz (UK))
0.5	0.086737
1	0.173474
2	0.346948
5	0.867369
10	1.734738
15	2.602107
20	3.469476
25	4.336845
50	8.673689
100	17.347379
250	43.368447
500	86.736894
1000	173.473788

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.

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

Teaspoon (US) (tsp)

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 Fluid Ounce (UK) to Teaspoon (US)

To convert from Fluid Ounce (UK) (fl oz (UK)) to Teaspoon (US) (tsp), multiply the value by 5.7645596424.

Formula: tsp = fl oz (UK) × 5.7645596424

Reverse: fl oz (UK) = tsp × 0.1734737885

Step-by-Step Example

Start with your value in Fluid Ounce (UK). For example: 5 fl oz (UK)
Multiply by the conversion factor: 5 x 5.7645596424
The result is: 28.822798 tsp

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.

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.

Frequently Asked Questions

How many Teaspoon (US) are in 1 Fluid Ounce (UK)?

There are exactly 5.7645596424 Teaspoon (US) in 1 Fluid Ounce (UK). This means the conversion factor from Fluid Ounce (UK) to Teaspoon (US) is 5.7645596424.

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

The formula to convert Fluid Ounce (UK) to Teaspoon (US) is: tsp = fl oz (UK) × 5.7645596424. For example, to convert 10 Fluid Ounce (UK) to Teaspoon (US), you would multiply 10 by 5.7645596424.

What is a Fluid Ounce (UK)?