Convert Oil Barrels to Acre-Feet

Convert Oil Barrels (bbl) to Acre-Feet (ac ft) instantly and accurately.

Oil Barrels (bbl)
Acre-Feet (ac ft)

Conversion Formula

ac ft = bbl × 0.0001288930976

About Oil Barrels

An oil barrel (bbl) = exactly 42 US gallons ≈ 158.99 L - established by the Pennsylvania oil industry in the 1860s and now the global petroleum standard. Global oil production, OPEC quotas, and crude spot prices are all quoted in barrels or Mb/d (millions of barrels per day); world consumption ~100 Mb/d in 2024. 'Bbl' derives from the 'blue barrel' mark on petroleum containers. 1 bbl = 42 US gal ≈ 159 L.

About Acre-Feet

An acre-foot (ac ft) = the volume covering 1 acre to 1 ft depth ≈ 1,233.5 m³ (325,851 US gal). Almost exclusively used in US water resource management. California's Lake Shasta: 4.55 million ac ft at capacity. A typical US household uses ~0.5-1 ac ft/year. Water rights on the Colorado and Sacramento rivers are traded in acre-feet. 1 ac ft ≈ 1,233.5 m³.

Quick Reference Table

Oil Barrels (bbl)Acre-Feet (ac ft)
1 bbl0.000128893 ac ft
2 bbl0.000257786 ac ft
5 bbl0.000644465 ac ft
10 bbl0.00128893 ac ft
25 bbl0.00322233 ac ft
50 bbl0.00644465 ac ft
100 bbl0.0128893 ac ft

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