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eng.crude-oil-API-gravity Calculator
Calculates crude oil API gravity from specific gravity and classifies the crude as extra-light, light, medium, heavy, or extra-heavy. API gravity of 10° is equal density to water — above 10° floats (crude oil), below 10° sinks. Light crude (>31.1°) commands a premium price.
Inputs
Specific Gravity
Reference formula or conversion factor shown for context.
Results
API gravity (°API)
Reference formula or conversion factor shown for context.
crude classification
Category assigned based on where the computed value falls on a defined scale. Check which standard or guideline defines these boundaries.
specific gravity
Reference formula or conversion factor shown for context.
API = 141.5/SG - 131.5
Reference formula or conversion factor shown for context.