Petroleum & Chemicals

Petroleum calculators for API gravity, refinery yield, pipeline hydraulics, crude blending, octane blending, and viscosity.

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Convert specific gravity to API gravity for crude oil classification and pricing.

Calculate required pipe or vessel wall thickness including corrosion margin per ASME standards.

Calculate blend ratios to achieve target API gravity and sulfur specifications from two crude streams.

Estimate blend flash point from component fractions for NFPA/GHS safety classification.

Calculate GOR from production data and estimate solution gas ratio for reservoir characterization.

Calculate operating viscosity from temperature using the Walther equation and classify by ISO VG grade.

Calculate blended octane rating from up to three gasoline component volumes and octane numbers.

Calculate pressure drop, pump station count, and horsepower requirements for petroleum pipelines.

Estimate product slate percentages from crude type and refinery conversion unit configuration.

Calculate total storage capacity from tank count, dimensions, roof type, and maximum fill level.