Cup (UK) to Liter Converter

Volume Converter

40 units available

Decimals:

From

To

0.284131

1 cup (UK) = 0.284131 L

Formula:

L = cup (UK) × 0.284130625

With your value: 1 cup (UK) = 0.28413063 L

How big is that?

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

Milk carton (1/2.8e+2 your value)0.00352 cup (UK)

Kitchen bucket (1/28 your value)0.0352 cup (UK)

Car fuel tank (1/5.7 your value)0.176 cup (UK)

Bathtub (1/1.4 your value)0.704 cup (UK)

Your value1.00 cup (UK)

Hot tub (5.3× your value)5.28 cup (UK)

Other Cup (UK) to Liter conversions

2 cup (UK) to L 3 cup (UK) to L 4 cup (UK) to L 5 cup (UK) to L 6 cup (UK) to L 7 cup (UK) to L 8 cup (UK) to L

Cup (UK) to Liter Conversion Table

Cup (UK) (cup (UK))	Liter (L)
0.5	0.142065
1	0.284131
2	0.568261
5	1.420653
10	2.841306
15	4.261959
20	5.682613
25	7.103266
50	14.206531
100	28.413063
250	71.032656
500	142.065313
1000	284.130625

Liter to Cup (UK) Conversion Table

Liter (L)	Cup (UK) (cup (UK))
0.5	1.759754
1	3.519508
2	7.039016
5	17.59754
10	35.19508
15	52.79262
20	70.390159
25	87.987699
50	175.975399
100	351.950797
250	879.876993
500	1,759.753986
1000	3,519.507973

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.

Cup (UK) (cup (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

Liter (L)

Volume

Exact conversion

The litre is exactly 10⁻³ m³ (1 dm³) and is accepted for use with the SI.

Source: Units accepted for use with the SI, SI Brochure Table 8

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Cup (UK) to Liter

To convert from Cup (UK) (cup (UK)) to Liter (L), multiply the value by 0.284130625.

Formula: L = cup (UK) × 0.284130625

Reverse: cup (UK) = L × 3.5195079728

Step-by-Step Example

Start with your value in Cup (UK). For example: 5 cup (UK)
Multiply by the conversion factor: 5 x 0.284130625
The result is: 1.420653 L

About Cup (UK)

The cup (uk) (cup (UK)) is a unit of volume and capacity. One cup (uk) equals 0.284130625 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 Liter

The liter is a metric unit of volume equal to 1,000 milliliters or 1 cubic decimeter. It is widely used for measuring liquids.

Common uses: beverages, fuel, cooking.

Frequently Asked Questions

How many Liter are in 1 Cup (UK)?

There are exactly 0.284130625 Liter in 1 Cup (UK). This means the conversion factor from Cup (UK) to Liter is 0.284130625.

What is the formula to convert Cup (UK) to Liter?

The formula to convert Cup (UK) to Liter is: L = cup (UK) × 0.284130625. For example, to convert 10 Cup (UK) to Liter, you would multiply 10 by 0.284130625.

What is a Cup (UK)?