Convert Cubic Inch to US Oil Barrel
Convert cubic inches to us oil barrels instantly. 1 cubic inch = 0.0001030715 us oil barrel — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Oil Barrel to Cubic Inch converter for the reverse conversion.
Units explained
Cubic Inch
A cubic inch is the volume of a cube one inch on a side (16.387 mL).
Derived by cubing the international inch (25.4 mm).
Used for engine displacement and small-part volumes.
1959 yard agreement.
US Oil Barrel
The petroleum barrel is exactly 42 US gallons (158.987 L).
Set by the US petroleum industry in the 1860s and now a global oil-trade standard.
The standard unit for crude-oil pricing and production worldwide.
US oil industry, 1860s.
Cubic Inch to US Oil Barrel conversion formula
The relationship between cubic inches and us oil barrels:
To convert cubic inches to us oil barrels, multiply the value in cubic inches by 0.0001030715. To reverse, multiply us oil barrels by 9702.
How to use this converter
Type a value into the calculator. The result in us oil barrels updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the US Oil Barrel to Cubic Inch converter for the reverse direction.
Step-by-step: convert cubic inches to us oil barrels
- Write down the value in cubic inches (in³).
- Multiply that value by the factor 0.0001030715.
- The product is the equivalent value in us oil barrels (bbl (oil)).
- To reverse, multiply the us oil barrel value by 9702.
Worked examples
Example 1 — Convert 1 in³ to bbl (oil):
1 × 0.0001030715 = 0.0001030715 bbl (oil)
Example 2 — Convert 100 in³ to bbl (oil):
100 × 0.0001030715 = 0.0103071532 bbl (oil)
Real-world example — Macro-scale buildup
A million cubic inches equals exactly one us oil barrel — the conversion that bridges microscale features and macroscale objects in microfluidic, biomedical, and semiconductor packaging design.
1000000 in³ × 0.0001030715 = 103.071531643 bbl (oil)
Real-world example — Quarter-meter measurement reference
A 250,000-cubic inch length equals 0.25 us oil barrels — useful for comparing supply-chain spec sheets where some lengths are quoted in the smaller unit and some in the larger.
250000 in³ × 0.0001030715 = 25.7678829107 bbl (oil)
Real-world example — From microscopic to macroscopic
A million cubic inches equals exactly one us oil barrel. This kind of conversion appears in microfluidics, where total channel length is given in us oil barrels but feature widths are in cubic inches.
1000000 in³ × 0.0001030715 = 103.071531643 bbl (oil)
Cubic Inch to US Oil Barrel conversion table
Standard reference values for converting cubic inches to us oil barrels:
| Cubic Inch [in³] | US Oil Barrel [bbl (oil)] |
|---|---|
| 0.01 | 1.030715e-6 |
| 0.1 | 1.030715e-5 |
| 1 | 0.0001030715 |
| 2 | 0.0002061431 |
| 3 | 0.0003092146 |
| 4 | 0.0004122861 |
| 5 | 0.0005153577 |
| 10 | 0.0010307153 |
| 20 | 0.0020614306 |
| 30 | 0.0030921459 |
| 40 | 0.0041228613 |
| 50 | 0.0051535766 |
| 100 | 0.0103071532 |
| 500 | 0.0515357658 |
| 1000 | 0.1030715316 |
Frequently asked questions
How many us oil barrels is 1 cubic inch?
How do I convert cubic inches to us oil barrels?
How do I convert us oil barrels back to cubic inches?
How many us oil barrels is 100 cubic inches?
Popular volume unit conversions
Convert Cubic Inch to other volume units
Show all Cubic Inch conversions
Metric / SI (8 units)
US Customary (Liquid) (8 units)
Imperial (UK) (4 units)
Cubic (length-derived) (2 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 in³ = 0.0001030715 bbl (oil)) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.