FLOWCAL Enterprise is the flagship of Flow-Cal, Inc.’s product offerings for gas and liquid measurement software applications. It was developed as a corporate solution for the most demanding system requirements.



FLOWCAL's Client/Server gas and liquid measurement software is designed for growing companies with multiple users, or for companies who want to focus on a single database.



FcDataBoss is a stand-alone data management utility that complements our FLOWCAL suite of products by managing the import, export and purging of FLOWCAL data directly from the Oracle database.


TESTit Integrated

The TESTit Integrated solution bridges the gap between TESTit and FLOWCAL to seamlessly transmit data between the two applications and integrate office and field data requirements.



TESTit provides today's measurement technician with an advanced progression of automation tools, which manage gas and liquid meter inspection and calibration results, testing and sample schedules, and conduct field calculations for flow rate and equipment sizing. Flow-Cal designed TESTit as a solution to the software needs of field personnel. Whether using the stand-alone application or the server version fully integrated with FLOWCAL, TESTit provides measurement departments with an automated means of integrating the needs of both office and field personnel.



PROVEit is a comprehensive and integrated software package that is used to prove, track and manage meter performance data based on the American Petroleum Institute's (API’s) Chapter 12.2. Its features include a stand-alone or networked database which utilize the latest API and Gas Processors Association (GPA) algorithms to calculate volume correction factors for liquid measurement. PROVEit provides a step-by-step approach to ensure compliance with industry standards.



CALCit is an easy to use application designed to assist field and office personnel with gas and liquid flow measurement calculations. This application uses the latest industry standard calculations allowing the user to perform spot calculations for gas volume, plate size, liquid correction factors, speed of sound, and more. CALCit assists in the validation of other systems with the ability to view, save, and print the results of multiple calculations based on different input values.



PYCit is a comprehensive and integrated software package that is based upon the American Petroleum Institute's (API) Chapter 14 - Natural Gas Fluids Measurement, Section 6 - Continuous Density Measurement. This application was designed to calculate and manage a company's density meter proving information and employs the latest API algorithms for the calculation of the density meter factor.



FLOWcloud is a powerful hosting solution that has the capability to revolutionize your measurement department. Flow-Cal’s measurement applications are available on-demand through a web-based interface in a reliable, highly secure, and fully dedicated cloud environment. This cloud-based solution provides a low-maintenance option for organizations by including end-to-end support and services for the hardware, database and application.


What's New

How Quorum is Supporting Customers Remotely

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Quorum’s Response to COVID-19 and Our Commitment to Customers

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Quorum Software Completes Acquisition of Coastal Flow and Flow-Cal

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F108: Using Crystal Reports with FLOWCAL

July 28 - July 29

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F101: FLOWCAL Enterprise Administrator

July 30

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F100: Fundamentals of FLOWCAL

August 18

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Tracking Liquids

The growth in unconventional oil and gas for upstream and midstream companies is well documented. But that growth has extended to service and supply companies for these operators.

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SOX Compliance & The Measurement Impact

A pipeline company—Enron—triggered the Sarbanes-Oxley revolution. Sixteen years out, federal measurement requirements are changing even as the industry contends with swelling volumes.

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Navigating the Petroleum Measurement Perfect Storm

A “boom paradox” is creating the perfect storm in liquids hydrocarbons measurement. Baby boomers hired during an earlier peak in the industry are retiring.

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20th Annual Flow-Cal Users Group

August 26-29, 2019 | San Diego, California

Mark your calendars for the 20th annual Flow-Cal Users Group conference, August 26-29, 2019! Now in its 20th year, the Flow-Cal Users Group conference provides a valuable experience to both new and experienced users of our products. We will be celebrating the 20th annual Users Group event in beautiful San Diego, California at the luxurious Hyatt Regency La Jolla at Aventine.


Operating an advanced system to its full potential requires properly trained individuals. That’s why application training is so important, especially in today’s burgeoning technological environment. Flow-Cal University offers a variety of training courses for all levels of experience, including tips and time-saving techniques to maximize productivity and get the most out of your software investment.


We believe it is important for our clients and partners to have an active voice in the functionality and future development of
Flow-Cal measurement applications. The FAB-8 Directors hold quarterly sector meetings to identify and prioritize technologies, best practices, and strategies that are critical to each industry sector. We encourage participation and invite the user community to attend these meetings.

Flow-Cal, Inc. and the American Petroleum Institute

The American Petroleum Institute (API) has joined forces with Flow-Cal to develop, market, and support the API MPMS Ch. 11.1 standard (Temperature and Pressure Volume Correction Factors for Generalized Crude Oils, Refined Products, Special Applications, and Lubricating Oils) and its complimentary suite of electronic equations and software tools.


The Flow-Cal University webinars are an excellent resource for product training. Complimentary to our users, Flow-Cal University presents monthly training tutorials on specific features and functions within our applications. In addition, our product management team presents New Feature webinars concurrent to our product releases.

New Features in FLOWCAL 10.2.0

July 29, 2020 | 11:00 a.m. CST

TESTit with ANALYZEit Overview

August 26, 2020 | 11:00 a.m. CST

FLOWCAL Meter Imports

September 23, 2020 | 11:00 a.m. CST


The Flow-Cal Story

Flow-Cal is the recognized leader in gas and liquid hydrocarbon measurement software, pioneering new and innovative ways to measure gas and liquids. Flow-Cal’s history, core values, and corporate culture have made Flow-Cal a leader in the measurement industry.