What is the US barrel unit used for?

The US barrel is a volume unit mainly used in the petroleum industry to measure crude oil and refined products.

Why is the tun unit important?

The tun is a traditional English liquid volume unit used for large casks, often found in historical shipping and brewing records.

Is the conversion between barrel (US) and tun always exact?

No, because the tun’s size has historical and regional variations, the conversion may not be precise for all contexts.

How to Convert from Barrel (US) [bbl (US)] to Tun

Easily convert volume measurements from the US barrel (bbl) to the traditional English tun using this online unit converter. Ideal for petroleum industry data and historical volume comparisons.

Barrel (US) [bbl (US)]

Tun

Please check your input. It must be a valid numeric value.

Barrel (US) [bbl (US)] to Tun Conversion Table

Barrel (US) [bbl (US)]	Tun

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Barrel (US) [bbl (US)] to Tun Conversion Table
Barrel (US) [bbl (US)]	Tun

Explore More Volume Units Converter

What Is This Tool?

This converter allows you to change volume values from the US oil barrel unit to the tun, a traditional English measurement for large liquid casks. It supports comparisons between modern petroleum measures and historical liquid volume units.

How to Use This Tool?

Enter the volume amount in barrel (US) units.
Select barrel (US) as the source unit and tun as the target unit.
Perform the conversion to get the equivalent volume in tuns.

Key Features

Converts volume from barrel (US) to tun using an established conversion rate.
Supports measurements primarily used in petroleum and historical liquid volume contexts.
Browser-based and user-friendly interface for quick conversions.

Examples

8 barrels (US) equals 1 tun (8 × 0.125 = 1).
16 barrels (US) equals 2 tuns (16 × 0.125 = 2).

Common Use Cases

Measuring crude oil production and trade volumes in terms of traditional units.
Comparing and translating petroleum volumes to historical cask capacities.
Researching historical shipping, brewing, or distillation volume records.

Tips & Best Practices

Use the tool for liquid volume conversions related to petroleum and historical records only.
Check historical context when converting to or from tuns as sizes may vary regionally.
Remember this tool is primarily for liquid measures and not suitable for solids.

Limitations

The tun’s size has varied over time and region, affecting conversion accuracy for older data.
Differences in historical gallon definitions can create minor discrepancies.
The conversion is intended for liquids and may not apply for non-liquid materials.

Frequently Asked Questions

What is the US barrel unit used for?: The US barrel is a volume unit mainly used in the petroleum industry to measure crude oil and refined products.
Why is the tun unit important?: The tun is a traditional English liquid volume unit used for large casks, often found in historical shipping and brewing records.
Is the conversion between barrel (US) and tun always exact?: No, because the tun’s size has historical and regional variations, the conversion may not be precise for all contexts.

Key Terminology

Barrel (US) [bbl (US)]: A US volume unit equal to 42 gallons, commonly used for measuring crude oil and petroleum products.
Tun: A traditional English liquid volume unit approximately equal to 252 wine gallons, used mostly for large casks.

Quick Knowledge Check

What volume does 1 US barrel equal in tun?

0.25 tun

0.125 tun

1 tun

What industry primarily uses the US barrel unit?

Petroleum industry

Textile industry

Agriculture

Why might the conversion from barrel to tun be inaccurate sometimes?

Because tun units vary historically

Because barrels vary regionally

Because both are weight units

Share Us

Similar Calculators

Online Current Units Converter Online Surface Tension Units Converter Online Volume Charge Density Units Converter Online Prefixes Units Converter Online Illumination Units Converter