Volume
bbltoft³
Convert oil barrels (42 US gal) (bbl) to cubic feet (ft³).
Factor1 bbl = 5.614583 ft³
Converter
bbl
Accepts numbers or expressions, e.g. 150 + 14.7
Result
ft³
Rendered to 6 significant figures.
Formula
Formula
ft³ = bbl × 5.614583
Multiply any value in oil barrels (42 US gal) by 5.614583 to obtain the value in cubic feet.
Worked example
Convert 10 bbl to ft³.
- 01Start with 10 bbl.
- 02Multiply by the conversion factor: 10 × 5.614583 = 56.1458 ft³.
Result10 bbl = 56.1458 ft³
Conversion table
| bbl | ft³ |
|---|---|
| 1 | 5.6146 |
| 2 | 11.229 |
| 5 | 28.073 |
| 10 | 56.146 |
| 20 | 112.29 |
| 50 | 280.73 |
| 100 | 561.46 |
| 200 | 1122.9 |
| 500 | 2807.3 |
| 1000 | 5614.6 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from bbl to ft³?
1 bbl equals 5.614583 ft³. To convert, multiply the value in oil barrels (42 US gal) by 5.614583.
How do I convert 1 bbl to ft³?
1 bbl = 5.61458 ft³. For any value, multiply by 5.614583.
How do I convert ft³ back to bbl?
Divide by the same factor — or equivalently, multiply by 0.1781076. So 1 ft³ = 0.178108 bbl.
When would I need to convert oil barrel (42 US gal) to cubic foot?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
Yes. Both bbl and ft³ are defined by exact SI relationships, so the displayed factor is exact (any rounding shown is only for display).