Convert Cubic Foot to US Oil Barrel
Convert cubic feet to us oil barrels instantly. 1 cubic foot = 0.1781076067 us oil barrel — use the live calculator, the exact formula, a conversion table and worked examples. Also check the US Oil Barrel to Cubic Foot converter for the reverse conversion.
Units explained
Cubic Foot
A cubic foot is the volume of a cube one foot on a side (28.3168 L).
Derived by cubing the international foot (0.3048 m).
Used for natural gas, refrigerators, shipping and HVAC.
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 Foot to US Oil Barrel conversion formula
The relationship between cubic feet and us oil barrels:
To convert cubic feet to us oil barrels, multiply the value in cubic feet by 0.1781076067. To reverse, multiply us oil barrels by 5.6145833333.
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 Foot converter for the reverse direction.
Step-by-step: convert cubic feet to us oil barrels
- Write down the value in cubic feet (ft³).
- Multiply that value by the factor 0.1781076067.
- The product is the equivalent value in us oil barrels (bbl (oil)).
- To reverse, multiply the us oil barrel value by 5.6145833333.
Worked examples
Example 1 — Convert 1 ft³ to bbl (oil):
1 × 0.1781076067 = 0.1781076067 bbl (oil)
Example 2 — Convert 100 ft³ to bbl (oil):
100 × 0.1781076067 = 17.8107606679 bbl (oil)
Real-world example — Children's height milestones
A 150-cubic foot-tall child measures a value in us oil barrels that's commonly used for theme-park ride height requirements when travelling between countries that use different measurement units.
150 ft³ × 0.1781076067 = 26.7161410019 bbl (oil)
Real-world example — Body height conversion
You enter your height as 180 cubic feet into an international job or visa application. The form then asks for the same value in us oil barrels — converting between these adjacent units is one of the most-used length conversions globally.
180 ft³ × 0.1781076067 = 32.0593692022 bbl (oil)
Real-world example — Furniture and large objects
A 72-cubic foot piece of furniture converts to a value in us oil barrels that's easier to mentally compare with room dimensions. This is the typical workflow when shopping internationally and product specs use a different unit than your room measurements.
72 ft³ × 0.1781076067 = 12.8237476809 bbl (oil)
Cubic Foot to US Oil Barrel conversion table
Standard reference values for converting cubic feet to us oil barrels:
| Cubic Foot [ft³] | US Oil Barrel [bbl (oil)] |
|---|---|
| 0.01 | 0.0017810761 |
| 0.1 | 0.0178107607 |
| 1 | 0.1781076067 |
| 2 | 0.3562152134 |
| 3 | 0.53432282 |
| 4 | 0.7124304267 |
| 5 | 0.8905380334 |
| 10 | 1.7810760668 |
| 20 | 3.5621521336 |
| 30 | 5.3432282004 |
| 40 | 7.1243042672 |
| 50 | 8.905380334 |
| 100 | 17.8107606679 |
| 500 | 89.0538033395 |
| 1000 | 178.107606679 |
Frequently asked questions
How many us oil barrels is 1 cubic foot?
How do I convert cubic feet to us oil barrels?
How do I convert us oil barrels back to cubic feet?
How many us oil barrels is 100 cubic feet?
Popular volume unit conversions
Convert Cubic Foot to other volume units
Show all Cubic Foot conversions
Metric / SI (15 units)
US Customary (Liquid) (15 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (5 units)
Sources & references
Conversion factor (1 ft³ = 0.1781076067 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.