An imperial quart is one quarter of an imperial gallon.
Imperial quarts to Oil barrels Converter — imp qt to bbl
Convert Imperial quart (imp qt) to Oil barrel (bbl) using the exact conversion factor (1 imperial quart = 0.0071485115 oil barrel). See the formula, worked examples, conversion table, history, and common uses.
Imperial quarts to Oil barrels converter
Converter
Volume Converter
Convert metric, US customary, imperial, cooking, dry, and industrial volume units.
Context values
Some unit families need one extra value for a physically accurate result.
An oil barrel is 42 US gallons.
Result = input x 0.0011365225 / 0.1589872949.
Volume uses the cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Imperial quarts to Oil barrels
Imperial quart and Oil barrel appear side by side at fuel pumps and on beverage labels, since the US measures liquids in gallons while most of the world uses liters. Imperial quart is most often used for uk/commonwealth liquid measurement in historical or specialized contexts.
Formula
oil barrels = imperial quarts × 0.00714851146134
This factor comes from each unit's defined relationship to the category's base unit: 1 imperial quart equals 0.0011365225 base units, and 1 oil barrel equals 0.158987294928 base units, so dividing one by the other gives the direct imperial quart-to-oil barrel factor of 0.00714851146134.
Simple example
1 imp qt × 0.007148511461 = 0.0071485115 bbl
1 imperial quart = 0.0071485115 oil barrels.
Real-world example
10 imp qt × 0.007148511461 = 0.0714851146 bbl
10 imperial quarts = 0.0714851146 oil barrels.
Conversion table
| Imperial quart (imp qt) | Oil barrel (bbl) |
|---|---|
| 1 imp qt | 0.0071485115 bbl |
| 5 imp qt | 0.0357425573 bbl |
| 10 imp qt | 0.0714851146 bbl |
| 25 imp qt | 0.1787127865 bbl |
| 50 imp qt | 0.3574255731 bbl |
| 100 imp qt | 0.7148511461 bbl |
Reverse conversion: Oil barrel to Imperial quart
0.0071485115 bbl × 139.889263 = 1.000000005 imp qt
0.0071485115 oil barrels = 1.000000005 imperial quarts.
imperial quarts = oil barrels × 139.889263018
For a page dedicated to this direction, see Oil barrel to Imperial quart.
Understanding the Imperial quart
Imperial quart (imp qt) measures volume. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. It is classified as a UK/imperial customary unit.
Where it's used: United Kingdom and Commonwealth countries (historically)
Imperial quart vs. US quart. Like the gallon and pint, the imperial quart is about 20% larger than the US quart, following from Britain's 1824 gallon redefinition.
Uses of the Imperial quart today
- UK/Commonwealth liquid measurement in historical or specialized contexts
History of the Imperial quart
The imperial quart follows directly from the 1824 imperial gallon as one-quarter of it, part of the same UK standardization that diverged from the US gallon system.
Historical origin. Imperial quart was not the invention of a single named person; it developed through the process described above.
Understanding the Oil barrel (bbl)
An oil barrel is 42 US gallons.
Imperial quart — sources
- UK Weights and Measures Act 1824 — Basis for the imperial quart via the imperial gallon.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many oil barrels are in 1 imperial quart?
1 imperial quart equals 0.0071485115 oil barrels, using the exact defined conversion factor rather than an estimate.
How do I convert imperial quart to oil barrel?
Multiply the imperial quart value by 0.007148511461. The converter above does this instantly to whatever precision you set.
How do I convert oil barrel back to imperial quart?
Use the reverse factor: 1 oil barrel equals 139.889263 imperial quarts. You can also use the swap control in the converter above to flip the direction instantly.
What is a imperial quart?
Imperial quart (imp qt) measures volume. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. It is classified as a UK/imperial customary unit.
What is a oil barrel?
Oil barrel (bbl) is a unit of volume.
Is the imperial quart to oil barrel conversion exact?
Yes. The imperial quart is one-quarter of an imperial gallon: exactly 1.1365225 liters. That fixed definition is what the converter above uses, so any rounding you see is a display choice, not a limitation of the math.
What is the difference between imperial quart vs. us quart?
Like the gallon and pint, the imperial quart is about 20% larger than the US quart, following from Britain's 1824 gallon redefinition.
Where is the imperial quart still used today?
United Kingdom and Commonwealth countries (historically)