Gallon (US) to Peck (US) Converter

Volume Converter

40 units available

Decimals:

From

To

0.429683

1 gal = 0.429683 pk

Formula:

pk = gal × 0.4296834813

With your value: 1 gal = 0.42968348 pk

How big is that?

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

Milk carton (1/3.8e+3 your value)0.000264 gal

Kitchen bucket (1/3.8e+2 your value)0.00264 gal

Car fuel tank (1/76 your value)0.0132 gal

Bathtub (1/19 your value)0.0528 gal

Hot tub (1/2.5 your value)0.396 gal

Your value1.00 gal

Other Gallon (US) to Peck (US) conversions

2 gal to pk 3 gal to pk 4 gal to pk 5 gal to pk 6 gal to pk 7 gal to pk 8 gal to pk

Gallon (US) to Peck (US) Conversion Table

Gallon (US) (gal)	Peck (US) (pk)
0.5	0.214842
1	0.429683
2	0.859367
5	2.148417
10	4.296835
15	6.445252
20	8.59367
25	10.742087
50	21.484174
100	42.968348
250	107.42087
500	214.841741
1000	429.683481

Peck (US) to Gallon (US) Conversion Table

Peck (US) (pk)	Gallon (US) (gal)
0.5	1.163647
1	2.327294
2	4.654589
5	11.636472
10	23.272945
15	34.909417
20	46.54589
25	58.182362
50	116.364725
100	232.729449
250	581.823623
500	1,163.647247
1000	2,327.294493

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.

Gallon (US) (gal)

Volume

Exact conversion

The US liquid gallon is exactly 231 cubic inches = 3.785 411 784 L.

Source: NIST Handbook 44, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices

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 Gallon (US) to Peck (US)

To convert from Gallon (US) (gal) to Peck (US) (pk), multiply the value by 0.4296834813.

Formula: pk = gal × 0.4296834813

Reverse: gal = pk × 2.3272944934

Step-by-Step Example

Start with your value in Gallon (US). For example: 5 gal
Multiply by the conversion factor: 5 x 0.4296834813
The result is: 2.148417 pk

About Gallon (US)

The US gallon equals approximately 3.785 liters and is the standard unit for fuel and large liquid volumes in the United States.

Fun Fact: The US gallon is about 20% smaller than the imperial (UK) gallon.

Common uses: fuel (US), beverages, swimming pools.

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 Gallon (US)?

There are exactly 0.4296834813 Peck (US) in 1 Gallon (US). This means the conversion factor from Gallon (US) to Peck (US) is 0.4296834813.

What is the formula to convert Gallon (US) to Peck (US)?

The formula to convert Gallon (US) to Peck (US) is: pk = gal × 0.4296834813. For example, to convert 10 Gallon (US) to Peck (US), you would multiply 10 by 0.4296834813.

What is a Gallon (US)?