OilCalcs – ASTM Oil Calculator

Jul 13, 2025

OilCalcs is a professional calculator for petroleum engineers, technicians, and quality control personnel working with crude oil, refined products, and specialty liquids. Designed based on the official ASTM D1250-08 (IP 200/08) standard, OilCalcs lets you accurately calculate VCF (Volume Correction Factor), API gravity, density, and perform volumetric flowmeter calibration with temperature correction.