How do I convert Barrel (oil, bbl) to Imperial gallon (gal UK)?

1 bbl equals 34.972316 gal_uk using SI-based conversion and precise factors.

What is the formula to convert Barrel (oil, bbl) to Imperial gallon (gal UK)?

This is a linear unit conversion using a constant factor between units.

Yes, it uses exact definitions or standardized constants (e.g., 1 in = 25.4 mm).

Use the shareable URL pattern: /convert/bbl-to-gal_uk/1

Category: Volume

Value From To Precision

34.972316 gal_uk

1 bbl = 34.972316 gal_uk

High-precision rounding: 6 decimals

We convert by pivoting through the SI base unit for Volume and applying exact factors where applicable.

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Volume measures space occupied. Liters and gallons are common in daily life.

Barrel (oil, bbl)

≈ 158.987294928 L.

History: Standardized for petroleum industry.

Imperial gallon (UK)

4.54609 L (exact).

History: Reformed in 1824 Weights and Measures Act.