Barrels to Cubic Feet Converter

Summary

This converter handles bidirectional conversion between barrels and cubic feet for three common barrel types: the US oil barrel (42 US gallons = 5.614583 ft³), the US fluid barrel (31.5 US gallons = 4.210938 ft³), and the US beer barrel (31 US gallons = 4.144097 ft³). Choose the type that matches your context, enter a value, and the result appears instantly.

How it works

1. Select the barrel type: US oil barrel, US fluid barrel, or US beer barrel.
2. Enter a value in barrels in the top input field.
3. The cubic feet result appears instantly — no button needed.
4. Use the reverse field to convert cubic feet back to barrels.
5. Click "Copy" next to any result to copy it to your clipboard.
6. Check the reference table for common barrel values using the selected type.

Use cases

• Convert crude oil storage or pipeline volumes from barrels to cubic feet for engineering specs.
• Calculate tank capacity in cubic feet when given a barrel rating.
• Cross-check US fluid barrel volumes in cubic feet for industrial liquid storage.
• Convert beer barrel volumes to cubic feet for brewery tank sizing.
• Translate petroleum volumes between bbl and ft³ for cross-disciplinary reports.
• Verify cargo or container capacity expressed in barrels against cubic foot specs.

Frequently Asked Questions