VCF Pro

The petroleum cargo calculator, now on iPhone. Instant API°, density, VCF & volume-weight conversions — built for precision, trusted in the field. 

VCFPro is a petroleum cargo calculator for tanker crews, cargo surveyors, and shipper representatives — at sea or on shore. It replaces paper correction tables with instant, precise calculations, in an interface modeled on the handheld calculators the industry already knows.

Enter a reading by °API gravity, relative density, or density, and instantly get:

• VCF (volume correction factor) • Full volume-weight results — barrels, cubic meters, metric tons and long tons, in air and in vacuum • Crude, Product, and Lube table families • °F / °C switching for any region • Results matched to industry-standard petroleum measurement tables, to the decimal

No more flipping through table books. Enter your reading, get your numbers — fast, precise, and ready wherever the job takes you.