How many US quarts are in one barrel?

One US oil barrel equals exactly 168 US liquid quarts. This comes from the standard 42 US gallons per barrel multiplied by 4 quarts per gallon.

Is this the same as a beer barrel or wine barrel?

No. A US beer barrel is 31 gallons (124 quarts), and a US wine barrel is typically about 59.4 gallons (237.6 quarts). This tool converts the US oil barrel (42 gallons = 168 quarts), which is the standard unit in petroleum trade.

How do I convert quarts back to barrels?

Click the swap button or select the "Quarts → Barrels" direction, then enter the number of quarts. The converter divides by 168 to give you the barrel count.

Why is there a factor of 168?

The US oil barrel is defined as 42 US liquid gallons. Since 1 US gallon equals exactly 4 US liquid quarts, 42 × 4 = 168 quarts per barrel.

Does this converter work for imperial quarts?

No, this tool uses US liquid quarts only (1 US qt ≈ 0.946 liters). Imperial quarts are slightly larger (1 imp. qt ≈ 1.137 liters). For imperial quart conversions, use a dedicated imperial unit converter.

Barrels to Quarts Converter

Name: Barrels to Quarts Converter
Availability: InStock
Author: Nham Vu

Convert US oil barrels (bbl) to US liquid quarts instantly — 1 barrel equals exactly 168 quarts.

Volume Converter

Barrels (bbl)

US Quarts (qt)

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1 US oil barrel = 168 US liquid quarts (42 gal × 4 qt/gal)

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Quick Reference Table

Barrels (bbl)	US Quarts (qt)

US Quarts (qt)	Barrels (bbl)

US oil barrel = 42 US liquid gallons = 168 US liquid quarts • 1 US quart ≈ 0.946 liters

Summary

Convert US oil barrels (bbl) to US liquid quarts instantly — 1 barrel equals exactly 168 quarts.

How it works

Select a conversion direction: barrels to quarts or quarts to barrels.
Enter a value in the input field.
The converter instantly shows the result using the exact 168-quarts-per-barrel factor.
Use the swap button to flip the direction.
Scroll down to the reference table for common barrel-to-quart lookups.

Use cases

Convert crude oil volumes from barrels to quarts for small-batch calculations.
Check petroleum container capacity when equipment is rated in quarts.
Translate production reports that mix barrel and quart units.
Verify fuel fill calculations for small distributors or fleet managers.
Convert OPEC or EIA production figures to quart equivalents for analysis.
Homework and exam problems involving US volume unit conversions.

Frequently Asked Questions

Last updated: 2026-07-01 · Reviewed by Nham Vu