Gas Volume Calc
Orifice Gas Flow Calculator
Free · Designed for iPad. Not verified for macOS.
Natural gas orifice flow calculator with compressibility correction, meter geometry inputs, and field-ready tools for quick MCFD estimates.
Orifice Calc is a field-ready utility for estimating natural gas flow rate (MCFD) using standard orifice meter calculations. Designed for operators, technicians, and engineers, the app combines meter geometry, flowing conditions, and gas composition inputs to produce reliable flow estimates in seconds.
Whether you are troubleshooting production, verifying measurements, or performing quick field calculations, Orifice Calc provides a simple and dependable workflow.
Ratings & Reviews
This update includes performance improvements, interface refinements, and a rebuilt gas flow calculation engine for improved reliability and accuracy.
The developer, Kelly Gayneaux, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Kelly Gayneaux
- Size
- 18.7 MB
- Category
- Productivity
- Compatibility
Requires iOS 26.1 or later.
- iPhone
Requires iOS 26.1 or later. - iPad
Requires iPadOS 26.1 or later. - Mac
Requires macOS 26.1 or later and a Mac with Apple M1 chip or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- Copyright © 2026 Kelly Gayneaux All rights reserved.