Brent Crude Oil Price Per Gallon
See the Brent crude oil price broken down per US gallon. One barrel equals 42 US gallons.
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Barrel to Gallon Conversion
A standard petroleum barrel contains exactly 42 US gallons. This unit originated in the early Pennsylvania oil fields where whiskey barrels of that size were repurposed for oil storage. The 42-gallon standard was officially adopted in 1872 and remains the industry standard today.
The per-gallon crude price shown here represents the raw commodity cost. US gasoline prices at the pump are typically 2-3 times higher because they include federal and state excise taxes (averaging $0.50/gallon), refining margins, distribution costs, and retailer markup.