Convert volume units — liters, gallons, cups, milliliters, cubic meters, barrels and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 in³ | 1.03072e-07 bbl | |
| 0.01 in³ | 1.03072e-06 bbl | |
| 0.1 in³ | 1.03072e-05 bbl | |
| 1 in³ | 0.000103072 bbl | |
| 5 in³ | 0.00051536 bbl | |
| 10 in³ | 0.00103072 bbl | |
| 50 in³ | 0.0051536 bbl | |
| 100 in³ | 0.0103072 bbl | |
| 1000 in³ | 0.103072 bbl |
Common cubic inch values converted to oil barrel — factor: 1 in³ = 0.0001031 bbl
| Cubic Inch (in³) | Oil Barrel (bbl) | Context |
|---|---|---|
| 1 in³ | 0.0001031 bbl | — |
| 5 in³ | 0.0005154 bbl | — |
| 10 in³ | 0.001031 bbl | — |
| 16 in³ | 0.001649 bbl | — |
| 30 in³ | 0.003092 bbl | — |
| 61 in³ | 0.006287 bbl | — |
| 100 in³ | 0.01031 bbl | — |
| 231 in³ | 0.02381 bbl | — |
| 500 in³ | 0.05154 bbl | — |
| 1,000 in³ | 0.1031 bbl | — |
| 1,728 in³ | 0.1781 bbl | — |
| 3,000 in³ | 0.3092 bbl | — |
| 5,000 in³ | 0.5154 bbl | — |
| 1e+04 in³ | 1.031 bbl | — |
| 4.666e+04 in³ | 4.809 bbl | — |
Converting cubic inch to oil barrel comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using oil barrel, or a laboratory protocol may specify volumes in cubic inch that need to be measured with equipment calibrated in oil barrel.
In everyday use, knowing that 5 in³ = 0.0005154 bbl and 10 in³ = 0.001031 bbl covers most common situations. For bulk calculations, 100 in³ = 0.01031 bbl is a useful anchor. The reverse conversion — oil barrel back to cubic inch — uses the factor 9702, so 1 bbl = 9702 in³.
All conversions use the internationally recognized factor of exactly 1 in³ = 0.0001031 bbl. Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: Oil Barrel = Cubic Inch × 0.00010307195
Multiply any cubic inch value by 0.00010307195 to get oil barrel. One cubic inch equals 0.00010307195 bbl.
Reverse: Cubic Inch = Oil Barrel × 9701.9607
1 in³ = 0.00010307195 bbl. Memorize this for instant mental estimates.
Use 0.00010307195 as a quick mental factor. Multiply your cubic inches value by this to estimate oil barrels.
To verify: multiply your result by 9701.9607 to recover the original in³ value.
Compares engine displacements in cubic inches — a Harley Sportster 1200 displaces 73.2 in³.
Calculates material volume for machined parts in cubic inches for cost estimation.
Compares refrigerator and oven interior volumes in cubic inches on US spec sheets.
Determines hydraulic cylinder displacement in cubic inches for legacy US equipment.
Compares compressor capacities in cubic inch displacement for older American systems.
Calculates product and box volumes in cubic inches to optimize pallet stacking.
The cubic inch is the volume of a cube with one-inch sides, equal to exactly 16.387064 mL. It belongs to US customary and British Imperial systems, in practical use since the 17th century.
Cubic inches appear most often in engine displacement for small engines and in precision machining for material volume calculations.
Interesting fact: A standard 12-fluid-ounce US soda can has a volume of about 21.7 cubic inches.
The US oil barrel (bbl) is defined as exactly 42 US gallons, equal to 158.987 liters. The 42-gallon standard was adopted by the Pennsylvania oil industry in 1866, based on the wine tierce barrel.
Oil barrels are the global benchmark for crude oil pricing: NYMEX WTI and ICE Brent futures are quoted in USD per barrel. OPEC quotas and national reserves are all expressed in barrels per day.
Interesting fact: No physical barrels are used to ship crude oil today. The unit is purely a pricing and accounting convention; tankers carry millions of barrels in sealed tanks.