Convert US Oil Barrel to Imperial Quart
Convert us oil barrels to imperial quarts instantly. 1 us oil barrel = 139.8892630177 imperial quart — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Imperial Quart to US Oil Barrel converter for the reverse conversion.
Units explained
US Oil Barrel
The petroleum barrel is exactly 42 US gallons (158.987 L).
Set by the US petroleum industry in the 1860s and now a global oil-trade standard.
The standard unit for crude-oil pricing and production worldwide.
US oil industry, 1860s.
Imperial Quart
An imperial quart is one quarter of an imperial gallon (1.13652 L).
A subdivision of the 1824 imperial gallon.
Used in the UK and Commonwealth.
UK, 1824.
US Oil Barrel to Imperial Quart conversion formula
The relationship between us oil barrels and imperial quarts:
To convert us oil barrels to imperial quarts, multiply the value in us oil barrels by 139.8892630177. To reverse, multiply imperial quarts by 0.0071485115.
How to use this converter
Type a value into the calculator. The result in imperial quarts updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Imperial Quart to US Oil Barrel converter for the reverse direction.
Step-by-step: convert us oil barrels to imperial quarts
- Write down the value in us oil barrels (bbl (oil)).
- Multiply that value by the factor 139.8892630177.
- The product is the equivalent value in imperial quarts (qt).
- To reverse, multiply the imperial quart value by 0.0071485115.
Worked examples
Example 1 — Convert 1 bbl (oil) to qt:
1 × 139.8892630177 = 139.8892630177 qt
Example 2 — Convert 100 bbl (oil) to qt:
100 × 139.8892630177 = 13988.926301767 qt
Real-world example — Fabric and tailoring
One us oil barrel of fabric converts to a value in imperial quarts commonly used for seam allowances. Garment patterns frequently switch between the two units on a single instruction sheet.
1 bbl (oil) × 139.8892630177 = 139.8892630177 qt
Real-world example — Body height conversion (reverse direction)
You measure 1.75 us oil barrels tall and need to fill in a gym membership form or medical record that asks for height in imperial quarts. This is the most-used everyday length conversion in metric-using countries.
1.75 bbl (oil) × 139.8892630177 = 244.8062102809 qt
Real-world example — Pet and accessory dimensions
A 3-us oil barrel dog leash equals a tidy round value in imperial quarts. Pet-supply shopping frequently mixes the two units across product specifications.
3 bbl (oil) × 139.8892630177 = 419.667789053 qt
US Oil Barrel to Imperial Quart conversion table
Standard reference values for converting us oil barrels to imperial quarts:
| US Oil Barrel [bbl (oil)] | Imperial Quart [qt] |
|---|---|
| 0.01 | 1.3988926302 |
| 0.1 | 13.9889263018 |
| 1 | 139.8892630177 |
| 2 | 279.7785260353 |
| 3 | 419.667789053 |
| 4 | 559.5570520707 |
| 5 | 699.4463150884 |
| 10 | 1398.8926301767 |
| 20 | 2797.7852603534 |
| 30 | 4196.6778905301 |
| 40 | 5595.5705207068 |
| 50 | 6994.4631508835 |
| 100 | 13988.926301767 |
| 500 | 69944.6315088351 |
| 1000 | 139889.2630176701 |
Frequently asked questions
How many imperial quarts is 1 us oil barrel?
How do I convert us oil barrels to imperial quarts?
How do I convert imperial quarts back to us oil barrels?
How many imperial quarts is 100 us oil barrels?
Popular volume unit conversions
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Metric / SI (8 units)
US Customary (Liquid) (7 units)
Imperial (UK) (4 units)
Cubic (length-derived) (3 units)
Cooking / Culinary (3 units)
Sources & references
Conversion factor (1 bbl (oil) = 139.8892630177 qt) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.