API MPMS Ch. 11.1 Standard

Flow-Cal is the worldwide distributor of the latest API MPMS Ch. 11.1 standard. Buy it today as a secure PDF or Microsoft Windows-based application designed to calculate the VCF tables.


API MPMS Ch. 11.1 Software Tools

The subroutines for API MPMS Ch. 11.1 are available in electronic form as a Microsoft Excel add-in, dynamic-link Library (DLL), C-Code (source code), or the combined VCF software suite.


VCF Reference Tables

For those who prefer a quick look-up guide over an electronic version, printed hard copies of the temperature correction (CTL) tables of the API MPMS Ch. 11.1 algorithms are available.


THE AMERICAN PETROLEUM INSTITUTE (API) has joined forces with Flow-Cal to develop, support and distribute the standard and code for API’s Manual of Petroleum Measurement Standards, Chapter 11 – Physical Properties Data, Section 1 – Temperature and Pressure Volume Correction Factors for Generalized Crude Oils, Refined Products, and Lubricating Oils.

This standard establishes a procedure for crude oils, liquid refined products, and lubricating oils through which density measurements taken at any temperature and pressure can be corrected to an equivalent density at the base conditions. The standard also provides a method for making a conversion to alternate base temperatures.