How many cups are in a US liquid barrel?

One US liquid barrel equals 504 US cups. A US liquid barrel is defined as 31.5 US liquid gallons, and each gallon contains 16 cups, giving 31.5 × 16 = 504 cups exactly.

How many cups are in a US oil barrel?

One US oil barrel equals 672 US cups. The oil barrel is defined as 42 US liquid gallons (42 × 16 = 672). This is the standard unit used in petroleum trade worldwide.

How many cups are in a US dry barrel?

One US dry barrel equals approximately 488.73 US cups. The US dry barrel is 7,056 cubic inches (about 3.281 US bushels), divided by 14.4375 cubic inches per US cup.

Which barrel type should I use?

Use the US liquid barrel for beverages and brewing (31.5 gal), the US oil barrel for petroleum and industrial volumes (42 gal), and the US dry barrel for agricultural dry goods such as grain or fruit (7,056 in³).

Are these US cups or metric cups?

All cup values here are US customary cups (1 US cup = 236.588 mL). A metric cup (250 mL) is slightly larger. If you need metric cups, multiply the US cup result by approximately 0.946.

Barrels to Cups Converter

Convert US liquid barrels, oil barrels, or dry barrels to cups instantly using exact conversion factors.

Volume Converter

Barrel Type

Barrels (bbl)

US Cups

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1 US liquid barrel = 504 US cups (31.5 gal × 16)

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Quick Reference Table

Barrels (bbl)	US Cups

US Cups	Barrels (bbl)

US liquid barrel = 504 cups • oil barrel = 672 cups • dry barrel ≈ 488.73 cups

Summary

This tool converts barrels to US cups using standards-based conversion factors. Three barrel types are supported: the US liquid barrel (31.5 gallons = 504 cups), the US oil barrel (42 gallons = 672 cups), and the US dry barrel (7,056 cubic inches ≈ 488.73 cups). Select the barrel type that matches your context, enter a value, and get the result immediately. A quick-reference table covers common barrel quantities for both directions.

How it works

Select the barrel type: US liquid barrel, US oil barrel, or US dry barrel.
Choose a conversion direction: barrels to cups or cups to barrels.
Enter a value in the input field.
The result appears instantly using the exact conversion factor for that barrel type.
Use the swap button to reverse the direction without re-entering your number.
Scroll to the reference table for common barrel-to-cup lookups.

Use cases

Convert cooking or beverage batch sizes from barrels to cups.
Translate petroleum or industrial volumes into familiar household units.
Verify capacity calculations when equipment is rated in barrels but recipes use cups.
Cross-check beer brewery barrel yields against cup-based serving counts.
Academic or classroom unit-conversion exercises involving volume.
Estimate how many cups of liquid fit in a storage barrel.

Frequently Asked Questions

Last updated: 2026-06-15 · Reviewed by Nham Vu