Convert volume units — liters, gallons, cups, milliliters, cubic meters, barrels and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 bbl | 0.0349723 gal(UK) | |
| 0.01 bbl | 0.349723 gal(UK) | |
| 0.1 bbl | 3.49723 gal(UK) | |
| 1 bbl | 34.9723 gal(UK) | |
| 5 bbl | 174.861 gal(UK) | |
| 10 bbl | 349.723 gal(UK) | |
| 50 bbl | 1748.61 gal(UK) | |
| 100 bbl | 3497.23 gal(UK) | |
| 1000 bbl | 34972.3 gal(UK) |
Common oil barrel values converted to uk gallon — factor: 1 bbl = 34.97 gal(UK)
| Oil Barrel (bbl) | UK Gallon (gal(UK)) | Context |
|---|---|---|
| 0.001 bbl | 0.03497 gal(UK) | Small batch |
| 0.01 bbl | 0.3497 gal(UK) | Test batch |
| 0.1 bbl | 3.497 gal(UK) | Small drum |
| 0.5 bbl | 17.49 gal(UK) | Half barrel |
| 1 bbl | 34.97 gal(UK) | Oil barrel |
| 5 bbl | 174.9 gal(UK) | Small tank |
| 10 bbl | 349.7 gal(UK) | Small batch |
| 50 bbl | 1,749 gal(UK) | Tanker truck |
| 100 bbl | 3,497 gal(UK) | Small storage |
| 500 bbl | 1.749e+04 gal(UK) | Pipeline batch |
| 1,000 bbl | 3.497e+04 gal(UK) | Small reserve |
| 5,000 bbl | 1.749e+05 gal(UK) | Tank farm |
| 1e+04 bbl | 3.497e+05 gal(UK) | Tank farm |
| 1e+05 bbl | 3,497,000 gal(UK) | Day output |
| 1,000,000 bbl | 34,970,000 gal(UK) | Supertanker |
Converting oil barrel to uk gallon comes up frequently in cooking, chemistry, medicine, and engineering. A recipe written in metric units may need to be adapted for a kitchen using uk gallon, or a laboratory protocol may specify volumes in oil barrel that need to be measured with equipment calibrated in uk gallon.
In everyday use, knowing that 5 bbl = 174.9 gal(UK) and 10 bbl = 349.7 gal(UK) covers most common situations. For bulk calculations, 100 bbl = 3497 gal(UK) is a useful anchor. The reverse conversion — uk gallon back to oil barrel — uses the factor 0.02859, so 1 gal(UK) = 0.02859 bbl.
All conversions use the internationally recognized factor of exactly 1 bbl = 34.97 gal(UK). Calculations are performed in IEEE 754 double-precision floating point, giving accuracy to at least 8 significant figures — more than sufficient for any practical application.
Formula: UK Gallon = Oil Barrel × 34.972251
Multiply any oil barrel value by 34.972251 to get uk gallon. One oil barrel equals 34.972251 gal(UK).
Reverse: Oil Barrel = UK Gallon × 0.028594099
1 bbl = 34.972251 gal(UK). Memorize this for instant mental estimates.
Use 34.9723 as a quick mental factor. Multiply your oil barrels value by this to estimate UK gallons.
To verify: multiply your result by 0.028594099 to recover the original bbl value.
Calculates crude oil reserves, production rates, and pipeline throughput in barrels per day.
Prices oil futures denominated in USD per barrel on NYMEX and ICE exchanges.
Tracks feedstock intake and product output in barrels per stream-day.
Reports strategic petroleum reserve levels and OPEC quota compliance in millions of barrels.
Converts barrel quantities to liters for reactor sizing and process design calculations.
Compares global oil demand forecasts from IEA and EIA expressed in barrels per day.
The US oil barrel (bbl) is defined as exactly 42 US gallons, equal to 158.987 liters. The 42-gallon standard was adopted by the Pennsylvania oil industry in 1866, based on the wine tierce barrel.
Oil barrels are the global benchmark for crude oil pricing: NYMEX WTI and ICE Brent futures are quoted in USD per barrel. OPEC quotas and national reserves are all expressed in barrels per day.
Interesting fact: No physical barrels are used to ship crude oil today. The unit is purely a pricing and accounting convention; tankers carry millions of barrels in sealed tanks.
The Imperial gallon was defined by the British Weights and Measures Act of 1824 as the volume of ten pounds of water at 62°F, later fixed to exactly 4.54609 liters in 1985.
UK gallons are still used in Britain for fuel pricing. Road signs show consumption in miles per Imperial gallon, making UK cars appear more fuel-efficient than identical US models.
Interesting fact: 1 Imperial gallon = 1.20095 US gallons. Confusing the two has caused real-world errors in cross-border fuel cost calculations.