= API gravity
{wiki=API_gravity}
API gravity is a measure of the density of petroleum liquids relative to water. It is expressed in degrees API (°API), which is a specific gravity scale developed by the American Petroleum Institute (API). The API gravity is used to categorize crude oil and other petroleum products based on their density and is an important factor in the oil and gas industry. The formula for calculating API gravity is: \\\[ \\text\{API Gravity\} = \\frac\{141.
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