Volume
bbltogal (UK)
Convert oil barrels (42 US gal) (bbl) to imperial gallons (gal (UK)).
Factor1 bbl = 34.97232 gal (UK)
Converter
bbl
Accepts numbers or expressions, e.g. 150 + 14.7
Result
gal (UK)
Rendered to 6 significant figures.
Formula
Formula
gal (UK) = bbl × 34.97232
Multiply any value in oil barrels (42 US gal) by 34.97232 to obtain the value in imperial gallons.
Worked example
Convert 1 bbl to gal (UK).
- 01Start with 1 bbl.
- 02Multiply by the conversion factor: 1 × 34.97232 = 34.9723 gal (UK).
Result1 bbl = 34.9723 gal (UK)
Conversion table
| bbl | gal (UK) |
|---|---|
| 1 | 34.972 |
| 2 | 69.945 |
| 5 | 174.86 |
| 10 | 349.72 |
| 20 | 699.45 |
| 50 | 1748.6 |
| 100 | 3497.2 |
| 200 | 6994.5 |
| 500 | 17486 |
| 1000 | 34972 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from bbl to gal (UK)?
1 bbl equals 34.97232 gal (UK). To convert, multiply the value in oil barrels (42 US gal) by 34.97232.
How do I convert 1 bbl to gal (UK)?
1 bbl = 34.9723 gal (UK). For any value, multiply by 34.97232.
How do I convert gal (UK) back to bbl?
Divide by the same factor — or equivalently, multiply by 0.02859405. So 1 gal (UK) = 0.028594 bbl.
When would I need to convert oil barrel (42 US gal) to imperial gallon?
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?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).