To convert oil barrels to cubic feet, multiply by 5.614583333.
The calculation uses 1 bbl = 5.614583333 ft³. Results are displayed to at most 10 significant digits. Definitions can be exact while a displayed decimal is rounded. Match the displayed precision to your original measurement.
The formula
bbl- Input unit: oil barrels
ft³- Output unit: cubic feet
How to use this calculator
- Enter a value in bbl.
- Multiply by the stored conversion factor.
- Read the result in ft³; divide by the same factor to convert back.
Worked examples
Worked conversion
1 bbl × 5.614583333 ≈ 5.614583333 ft³.
Reverse conversion
5.614583333 ft³ ÷ 5.614583333 ≈ 1 bbl. Rounding intermediate values can change the last displayed digit.
Frequently asked questions
What factor does this converter use?
It uses 5.614583333 ft³ per bbl.
Why can another converter show a slightly different answer?
Check the unit convention first (such as US versus Imperial or decimal versus binary), then compare rounding. Measurement uncertainty is separate from the unit conversion.
bbl to ft³ table
| bbl | ft³ (rounded) |
|---|---|
| 0 | 0 |
| 1 | 5.614583333 |
| 2 | 11.22916667 |
| 5 | 28.07291667 |
| 10 | 56.14583333 |
| 100 | 561.4583333 |