Barrel (Oil) to Peck (US) Converter

Volume Converter

40 units available

Decimals:

From

To

18.046706

1 bbl = 18.046706 pk

Formula:

pk = bbl × 18.0467062161

With your value: 1 bbl = 18.04670622 pk

How big is that?

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

Milk carton (1/1.6e+5 your value)0.00000629 bbl

Kitchen bucket (1/1.6e+4 your value)0.0000629 bbl

Car fuel tank (1/3.2e+3 your value)0.000314 bbl

Bathtub (1/7.9e+2 your value)0.00126 bbl

Hot tub (1/1.1e+2 your value)0.00943 bbl

Your value1.00 bbl

Other Barrel (Oil) to Peck (US) conversions

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

Barrel (Oil) to Peck (US) Conversion Table

Barrel (Oil) (bbl)	Peck (US) (pk)
0.5	9.023353
1	18.046706
2	36.093412
5	90.233531
10	180.467062
15	270.700593
20	360.934124
25	451.167655
50	902.335311
100	1,804.670622
250	4,511.676554
500	9,023.353108
1000	18,046.706216

Peck (US) to Barrel (Oil) Conversion Table

Peck (US) (pk)	Barrel (Oil) (bbl)
0.5	0.027706
1	0.055412
2	0.110824
5	0.277059
10	0.554118
15	0.831177
20	1.108235
25	1.385294
50	2.770589
100	5.541177
250	13.852943
500	27.705887
1000	55.411774

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.

Barrel (Oil) (bbl)

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 Barrel (Oil) to Peck (US)

To convert from Barrel (Oil) (bbl) to Peck (US) (pk), multiply the value by 18.0467062161.

Formula: pk = bbl × 18.0467062161

Reverse: bbl = pk × 0.0554117737

Step-by-Step Example

Start with your value in Barrel (Oil). For example: 5 bbl
Multiply by the conversion factor: 5 x 18.0467062161
The result is: 90.233531 pk

About Barrel (Oil)

The oil barrel equals 42 US gallons (about 158.987 litres) and is the global pricing unit for crude petroleum.

Fun Fact: The 42-gallon standard dates to the 1860s Pennsylvania oil rush.

Common uses: crude oil pricing, energy statistics.

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 Barrel (Oil)?

There are exactly 18.0467062161 Peck (US) in 1 Barrel (Oil). This means the conversion factor from Barrel (Oil) to Peck (US) is 18.0467062161.

What is the formula to convert Barrel (Oil) to Peck (US)?

The formula to convert Barrel (Oil) to Peck (US) is: pk = bbl × 18.0467062161. For example, to convert 10 Barrel (Oil) to Peck (US), you would multiply 10 by 18.0467062161.

What is a Barrel (Oil)?