US barrel oil to US peck Converter (and vice versa)

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

This converter allows you to convert US barrels oil [US.bbl.] to US pecks [US.pk.] or US pecks [US.pk.] to US barrels oil [US.bbl.]. 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 US barrel oil [US.bbl.] ≈ 18.0467 US pecks [US.pk.]1 US peck [US.pk.] ≈ 0.0554 US barrels oil [US.bbl.]

Convert US barrels oil to US pecks

There are two simple ways to convert US barrels oil [US.bbl.] to US pecks [US.pk.]. In the first calculation method, the value in US barrels oil [US.bbl.] is divided by the rounded conversion factor of 0.0554. The second method multiplies the value in US barrels oil [US.bbl.] by the rounded conversion factor of 18.0467.

  • US pecks [US.pk.] ≈ US barrels oil [US.bbl.] ÷ 0.0554
  • US pecks [US.pk.] ≈ US barrels oil [US.bbl.] * 18.0467

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

  • US pecks [US.pk.] = US barrels oil [US.bbl.] ÷ 7,186.93 ÷ 1,225.804 * 387,096 * 410.718

Convert US pecks to US barrels oil

Converting US pecks [US.pk.] to US barrels oil [US.bbl.] is easy and can be done in two ways. The first method involves multiplication, in which the value in US pecks [US.pk.] is multiplied by the rounded conversion factor of 0.0554. The second variant is a division. Here, the value in US pecks [US.pk.] is divided by the rounded conversion factor of 18.0467.

  • US barrels oil [US.bbl.] ≈ US pecks [US.pk.] * 0.0554
  • US barrels oil [US.bbl.] ≈ US pecks [US.pk.] ÷ 18.0467

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 pecks [US.pk.] to US barrels oil [US.bbl.] can be achieved using the following calculation method.

  • US barrels oil [US.bbl.] = US pecks [US.pk.] * 7,186.93 * 1,225.804 ÷ 387,096 ÷ 410.718

Converter

Decimal places

How it's calculated

Factor: 
≈ 18.047
US pecks = US barrels oil ÷ 7,186.93 ÷ 1,225.804 * 387,096 * 410.718
US barrels oil = US pecks * 7,186.93 * 1,225.804 ÷ 387,096 ÷ 410.718

To all available units

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