Convert Barrel to Quart (bbl → qt)

Converting barrels to quarts is straightforward: multiply by the conversion factor. Follow these three steps to do it by hand or in your head.

1. 1
   Take your value in barrels

   Start with the number of barrels (bbl) you want to convert.
2. 2
   Multiply by 168

   The conversion factor from bbl to qt is 168. Multiply your value by this number.
3. 3
   Read the result in quarts

   The result is your value in quarts (qt).

Multiply the value in barrels by 168. For the reverse direction, multiply by 0.005952.

• ✓1 oil barrel = 42 US gallons = 158.987 L exactly.
• ✓Barrel prices quoted in USD — watch currency impact on non-US economies.
• ✓Different industries (beer, dry goods) use different barrel sizes — oil barrel is a specific unit.

• ✗Using beer barrel (163.7 L) or dry barrel (115.6 L) in oil contexts.
• ✗Confusing barrel of oil with barrel of beer — different volumes.
• ✗Assuming barrels are standard worldwide — only oil industry uses the 42 gallon version globally.

What is the Barrel?

The oil barrel equals exactly 42 US gallons (158.987 liters) and is the global benchmark unit for crude oil pricing and trading. The 42-gallon size dates to the 1860s Pennsylvania oil boom, when oil was shipped in repurposed wooden barrels of various sizes; the standard settled at 42 gallons as a practical industry compromise. Today, the oil barrel is virtually synonymous with crude oil — Brent crude and WTI prices are quoted per barrel ($/bbl), OPEC tracks production in barrels per day, and proven reserves are listed in billions of barrels. Despite metrication, the barrel persists in petroleum trading and journalism worldwide. It relates to the US gallon (1 bbl = 42 US gal), the cubic meter (1 bbl ≈ 0.159 m³), and the liter (1 bbl ≈ 159 L). Note that beer and wine barrels have different volumes.

• Crude oil international pricing (Brent, WTI)
• Petroleum product reporting (OPEC, EIA)
• Energy-sector financial reporting

What is the Quart?

The US quart equals exactly one quarter of a US gallon (0.946352946 liters) and is a common kitchen and motor-oil volume in the United States. The word 'quart' derives from the Latin 'quartus' meaning fourth. Milk and motor oil are commonly sold in quart containers (a quart of motor oil is 32 fl oz), and large recipes call for quart-sized stockpots. The US quart is distinct from the slightly larger UK imperial quart (1.137 L). It relates to the gallon (4 qt = 1 gal), the pint (2 pt = 1 qt), the cup (4 cups = 1 qt), the fluid ounce (32 fl oz = 1 qt), and the liter (1 US qt ≈ 0.946 L). The quart is a useful intermediate volume between the cup (small recipe measurements) and the gallon (bulk liquids).

• US cooking recipe quantities
• US motor-oil container sizes (1 quart bottles)
• Canning and preserving containers