Cubic Inch to Barrel (Oil) Converter

Volume Converter

40 units available

Decimals:

From

To

0.000103

1 in³ = 0.000103 bbl

Formula:

bbl = in³ × 0.0001030715

With your value: 1 in³ = 0.00010307 bbl

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 Barrel (Oil) conversions

2 in³ to bbl 3 in³ to bbl 4 in³ to bbl 5 in³ to bbl 6 in³ to bbl 7 in³ to bbl 8 in³ to bbl

Cubic Inch to Barrel (Oil) Conversion Table

Cubic Inch (in³)	Barrel (Oil) (bbl)
0.5	5.153577e-5
1	0.000103
2	0.000206
5	0.000515
10	0.001031
15	0.001546
20	0.002061
25	0.002577
50	0.005154
100	0.010307
250	0.025768
500	0.051536
1000	0.103072

Barrel (Oil) to Cubic Inch Conversion Table

Barrel (Oil) (bbl)	Cubic Inch (in³)
0.5	4,851
1	9,702
2	19,404
5	48,510
10	97,020
15	145,530
20	194,040
25	242,550
50	485,100
100	970,200
250	2,425,500
500	4,851,000
1000	9,702,000

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

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

How to Convert Cubic Inch to Barrel (Oil)

To convert from Cubic Inch (in³) to Barrel (Oil) (bbl), multiply the value by 0.0001030715.

Formula: bbl = in³ × 0.0001030715

Reverse: in³ = bbl × 9,702

Step-by-Step Example

Start with your value in Cubic Inch. For example: 5 in³
Multiply by the conversion factor: 5 x 0.0001030715
The result is: 0.000515 bbl

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 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.

Frequently Asked Questions

How many Barrel (Oil) are in 1 Cubic Inch?

There are exactly 0.0001030715 Barrel (Oil) in 1 Cubic Inch. This means the conversion factor from Cubic Inch to Barrel (Oil) is 0.0001030715.

What is the formula to convert Cubic Inch to Barrel (Oil)?

The formula to convert Cubic Inch to Barrel (Oil) is: bbl = in³ × 0.0001030715. For example, to convert 10 Cubic Inch to Barrel (Oil), you would multiply 10 by 0.0001030715.

What is a Cubic Inch?