Glossary: barrels per day

Production of crude oil and petroleum products is frequently measured in barrels per day, often abbreviated bpd or bd. A barrel is a volume measure of forty-two United States gallons. Conversion of barrels to metric tons depends on the density of a specific product. About 7.3 barrels of average crude oil, or about 7 barrels of heavy crude oil, weigh 1 metric ton. Light products, such as gasoline and kerosene, average close to eight barrels per metric ton.

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