API gravity: Difference between revisions

Revision as of 11:23, 24 October 2018

Revision as of 11:25, 24 October 2018

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The formula to calculate API gravity from [[Specific Gravity]] (SG) is:

:<math>\text{API gravity} = \frac{141.5}{\text{SG}} - 131.25</math>

Conversely, the specific gravity of petroleum liquids can be derived from their API gravity value as