Cubic Inch to Teaspoon (UK) Converter

Volume Converter

40 units available

Decimals:

From

To

2.768371

1 in³ = 2.768371 tsp (UK)

Formula:

tsp (UK) = in³ × 2.7683713151

With your value: 1 in³ = 2.76837132 tsp (UK)

How big is that?

Everyday references on a logarithmic scale, all expressed in cubic inch so you can sanity-check the result.

Soda can (1/50 your value)0.0201 in³

Milk carton (1/16 your value)0.0610 in³

Kitchen bucket (1/1.6 your value)0.610 in³

Your value1.00 in³

Car fuel tank (3.1× your value)3.05 in³

Bathtub (12× your value)12.2 in³

Other Cubic Inch to Teaspoon (UK) conversions

2 in³ to tsp (UK)3 in³ to tsp (UK)4 in³ to tsp (UK)5 in³ to tsp (UK)6 in³ to tsp (UK)7 in³ to tsp (UK)8 in³ to tsp (UK)

Cubic Inch to Teaspoon (UK) Conversion Table

Cubic Inch (in³)	Teaspoon (UK) (tsp (UK))
0.5	1.384186
1	2.768371
2	5.536743
5	13.841857
10	27.683713
15	41.52557
20	55.367426
25	69.209283
50	138.418566
100	276.837132
250	692.092829
500	1,384.185658
1000	2,768.371315

Teaspoon (UK) to Cubic Inch Conversion Table

Teaspoon (UK) (tsp (UK))	Cubic Inch (in³)
0.5	0.180612
1	0.361223
2	0.722446
5	1.806116
10	3.612232
15	5.418348
20	7.224464
25	9.03058
50	18.061161
100	36.122322
250	90.305805
500	180.61161
1000	361.22322

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.

Cubic Inch (in³)

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 Cubic Inch to Teaspoon (UK)

To convert from Cubic Inch (in³) to Teaspoon (UK) (tsp (UK)), multiply the value by 2.7683713151.

Formula: tsp (UK) = in³ × 2.7683713151

Reverse: in³ = tsp (UK) × 0.3612232198

Step-by-Step Example

Start with your value in Cubic Inch. For example: 5 in³
Multiply by the conversion factor: 5 x 2.7683713151
The result is: 13.841857 tsp (UK)

About Cubic Inch

The cubic inch (in³) is a unit of volume and capacity. One cubic inch equals 0.016387064 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 Cubic Inch?

There are exactly 2.7683713151 Teaspoon (UK) in 1 Cubic Inch. This means the conversion factor from Cubic Inch to Teaspoon (UK) is 2.7683713151.

What is the formula to convert Cubic Inch to Teaspoon (UK)?

The formula to convert Cubic Inch to Teaspoon (UK) is: tsp (UK) = in³ × 2.7683713151. For example, to convert 10 Cubic Inch to Teaspoon (UK), you would multiply 10 by 2.7683713151.

What is a Cubic Inch?