Cup (UK) to Peck (US) Converter

Volume Converter

40 units available

Decimals:

From

To

0.032252

1 cup (UK) = 0.032252 pk

Formula:

pk = cup (UK) × 0.0322517716

With your value: 1 cup (UK) = 0.03225177 pk

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 Peck (US) conversions

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

Cup (UK) to Peck (US) Conversion Table

Cup (UK) (cup (UK))	Peck (US) (pk)
0.5	0.016126
1	0.032252
2	0.064504
5	0.161259
10	0.322518
15	0.483777
20	0.645035
25	0.806294
50	1.612589
100	3.225177
250	8.062943
500	16.125886
1000	32.251772

Peck (US) to Cup (UK) Conversion Table

Peck (US) (pk)	Cup (UK) (cup (UK))
0.5	15.503024
1	31.006049
2	62.012097
5	155.030244
10	310.060487
15	465.090731
20	620.120974
25	775.151218
50	1,550.302436
100	3,100.604871
250	7,751.512179
500	15,503.024357
1000	31,006.048714

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

Peck (US) (pk)

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 Cup (UK) to Peck (US)

To convert from Cup (UK) (cup (UK)) to Peck (US) (pk), multiply the value by 0.0322517716.

Formula: pk = cup (UK) × 0.0322517716

Reverse: cup (UK) = pk × 31.0060487144

Step-by-Step Example

Start with your value in Cup (UK). For example: 5 cup (UK)
Multiply by the conversion factor: 5 x 0.0322517716
The result is: 0.161259 pk

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 Peck (US)

The peck (us) (pk) is a unit of volume and capacity. One peck (us) equals 8.809768 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 Peck (US) are in 1 Cup (UK)?

There are exactly 0.0322517716 Peck (US) in 1 Cup (UK). This means the conversion factor from Cup (UK) to Peck (US) is 0.0322517716.

What is the formula to convert Cup (UK) to Peck (US)?

The formula to convert Cup (UK) to Peck (US) is: pk = cup (UK) × 0.0322517716. For example, to convert 10 Cup (UK) to Peck (US), you would multiply 10 by 0.0322517716.

What is a Cup (UK)?