Quart to US barrel oil Converter (and vice versa)

Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026

This converter allows you to convert quarts [Imp.qt.] to US barrels oil [US.bbl.] or US barrels oil [US.bbl.] to quarts [Imp.qt.]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.

1 quart [Imp.qt.] ≈ 0.0071 US barrels oil [US.bbl.]1 US barrel oil [US.bbl.] ≈ 139.8893 quarts [Imp.qt.]

Convert quarts to US barrels oil

There are two simple ways to convert quarts [Imp.qt.] to US barrels oil [US.bbl.]. In the first calculation method, the value in quarts [Imp.qt.] is divided by the rounded conversion factor of 139.8893. The second method multiplies the value in quarts [Imp.qt.] by the rounded conversion factor of 0.0071.

  • US barrels oil [US.bbl.] ≈ quarts [Imp.qt.] ÷ 139.8893
  • US barrels oil [US.bbl.] ≈ quarts [Imp.qt.] * 0.0071

However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of quarts [Imp.qt.] to US barrels oil [US.bbl.] can be achieved using the following calculation method.

  • US barrels oil [US.bbl.] = quarts [Imp.qt.] ÷ 387,096 ÷ 1,642.872 * 4,546,090

Convert US barrels oil to quarts

Converting US barrels oil [US.bbl.] to quarts [Imp.qt.] is easy and can be done in two ways. The first method involves multiplication, in which the value in US barrels oil [US.bbl.] is multiplied by the rounded conversion factor of 139.8893. The second variant is a division. Here, the value in US barrels oil [US.bbl.] is divided by the rounded conversion factor of 0.0071.

  • Quarts [Imp.qt.] ≈ US barrels oil [US.bbl.] * 139.8893
  • Quarts [Imp.qt.] ≈ US barrels oil [US.bbl.] ÷ 0.0071

However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of US barrels oil [US.bbl.] to quarts [Imp.qt.] can be achieved using the following calculation method.

  • Quarts [Imp.qt.] = US barrels oil [US.bbl.] * 387,096 * 1,642.872 ÷ 4,546,090

Converter

Decimal places

How it's calculated

Factor: 
≈ 139.889
US barrels oil = Quarts ÷ 387,096 ÷ 1,642.872 * 4,546,090
Quarts = US barrels oil * 387,096 * 1,642.872 ÷ 4,546,090

To all available units

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US bushels

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US fluid drams