243+ iOS apps curated and reviewed
The best ges gas pipe sizing calculator apps on iPhone average 4.0★ across 243+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Jun 2026 |
| 2 |  | $4.99 | 4.0★ (1) | No | No | Jul 2026 |
| 3 |  | $1.99 | 4.0★ (4) | No | No | Jul 2026 |
| 4 |  | $6.99 | 5.0★ (1) | No | No | Jun 2026 |
| 5 |  | Free | 3.0★ (1) | No | No | May 2026 |
| 6 |  | Free | 3.2★ (13) | Yes | No | May 2026 |
| 7 |  | $19.99 | 4.8★ (152) | No | No | Aug 2026 |
| 8 |  | Free | 3.0★ (4) | No | No | May 2026 |
This app helps installers select the correct gas pipe sizes for boiler installations. It calculates the minimum required pipe diameter and pressure drop based on gas type, appliance input, pipe length, and fittings. Supports copper, steel, and PE pipes.
This utility app simplifies gas pipe sizing by performing calculations based on BTU load, run length, and gas type. It eliminates the need for manual chart and codebook referencing, providing the minimum required pipe size quickly.
Quickly calculate natural gas pipe diameters and pressure drops for installations. Supports a wide range of conditions, materials, and units, providing instant and accurate results without subscriptions or ads.
Easily view and convert various pipe sizes between Metric and Inch units. Supports conversion between Kgm and Lbs/Ft with simple finger swipes and button presses.
This utility app helps installers determine the correct size of flexible gas piping for their projects. It calculates the appropriate pipe size based on gas type, tubing length, supply pressure, and flow capacity. Users can also access installation guides and product information.
An advanced calculator for pipe trade professionals, offering quick access to pipe data, dimensions, and complex calculation solutions. It handles fractions and unit conversions, making it an essential tool for plumbers and fabricators on the job site.
This utility app provides essential calculations for pipe fitting, eliminating the need for reference tables. Designed by a welder for welders, it aims to save time and streamline work processes.
This app provides a comprehensive suite of tools for pipe fitting calculations, including offsets, angles, and fitting data. It supports various pipe standards and measurement units, helping users determine precise cut lengths and angles for fabrication.
Calculate the correct size of flexible gas piping for your project. Select gas type, pressure, and pipe length to determine capacity. Access the latest installation specifications and FAQs.
This app simplifies calculating the required size of Gastite® CSST for gas installations. Input gas type, CSST length, and appliance power to instantly determine the correct size. It offers easy navigation, user-friendly design, and access to FAQs and installation guides.
This app provides engineers and professionals with tools for pipeline flow calculations, unit conversions, and coordinate transformations. It offers professional-grade accuracy and works offline, making it ideal for field use. Core features are free, with optional ads supporting the application.
This tool provides precise pipe layout calculations for professionals in welding and fabrication. It offers various offset and fitting calculators, along with data tools for custom angles and triangle solutions. Easily switch between imperial and metric units for field or shop use.
This app calculates the correct fusion pressure for HDPE and Polypropylene pipe jobs. It simplifies the process by selecting your fusion machine and entering pipe details to determine the recommended theoretical gauge pressure.
Calculate fluid flow rate and pressure loss in pipes. This app helps engineers determine pipe diameter, maximum pipe length, and friction loss for both liquid and gas flows, including fittings and elevation changes. Results can be shared as Excel or PDF reports.
This application helps users calculate the correct size of flexible gas piping for installations. It supports various sizing methods and gas types, providing accurate results based on selected parameters. Users can also access updated design guides and installation instructions.
