US Gallons to Barrels Converter
Enter a US gallon value and instantly get the equivalent in petroleum barrels (1 bbl = 42 US gal).
Enter US Gallons
Quick Reference Table
| US Gallons | Barrels (bbl) |
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Summary
Enter a US gallon value and instantly get the equivalent in petroleum barrels (1 bbl = 42 US gal).
How it works
- Enter a volume in US liquid gallons in the input field.
- The converter divides your input by 42 — the exact number of US gallons in one petroleum barrel.
- The result in barrels (bbl) is shown immediately.
- Use the reference table to look up common gallon-to-barrel values at a glance.
Use cases
- Convert crude oil or fuel volumes between gallons and barrels for trading or logistics.
- Calculate petroleum storage tank capacity in barrels.
- Verify shipment quantities when switching between US and oil-industry units.
- Convert fuel delivery orders expressed in gallons to barrel counts.
- Cross-check pipeline throughput figures reported in different unit systems.
- Estimate barrel yield from a known gallon volume of refined product.
Frequently Asked Questions
Last updated: 2026-06-11 ·
Reviewed by Nham Vu