Best Gas Pipe Sizing Plumb Apps

222+ iOS apps curated and reviewed

4.4 avg rating
12 free apps
Updated June 2026

Every iPhone needs a few good gas pipe sizing plumb apps. We benchmark 222+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Gas Pipe Sizing Plumb Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Gas Pipe Sizing PlumbGas Pipe Sizing Plumb$0.99YesYesJul 2026
2GES Gas Pipe Sizing CalculatorGES Gas Pipe Sizing CalculatorFreeNoNoJun 2026
3Water Pipe Sizing PlumbWater Pipe Sizing Plumb$0.99YesYesJun 2026
4Pipe Trades Pro CalcPipe Trades Pro CalcFree4.8★ (3.6K)NoYesJul 2026
5Sizing US/CASizing US/CAFree3.2★ (13)YesNoMay 2026
6Gas Pipe Sizing CalculatorGas Pipe Sizing Calculator$1.994.0★ (4)NoNoJul 2026
7Pipe Calc ElitePipe Calc Elite$19.994.8★ (143)NoNoJul 2026
8Natural Gas Pipe SizeNatural Gas Pipe Size$6.995.0★ (1)NoNoJun 2026

Top Picks for Gas Pipe Sizing Plumb

More Gas Pipe Sizing Plumb apps to explore

4
Pipe Trades Pro Calc
Pipe Trades Pro Calc
Pipe Trades Pro Calc
Calculator | Welding & Piping
Free

This app provides advanced calculation tools and comprehensive data for pipe trade professionals. It streamlines workflows for pipefitters, welders, and steamfitters with features for measurements, fluid dynamics, and material specifications. Designed for efficiency and accuracy, it works offline for on-site use.

Advanced measurement calculationsFluid dynamics and pressure analysisComprehensive pipe data access
🔧 Utilities
(3.6K)
free with in-app purchases
5
Sizing US/CA
Sizing US/CA
Sizing US/CA
by Gastite Products LLC
Free

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.

Flexible gas pipe sizingUS and CA location selectorAutomatic value adjustment
🔧 Utilities
(13)
ad-supported
6
Gas Pipe Sizing Calculator
Gas Pipe Sizing Calculator
Gas Pipe Sizing Calculator
by Connor Kelley
$1.99

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.

Calculates minimum gas pipe sizeInput BTU loadInput longest run length
🔧 Utilities
(4)
paid
7
Pipe Calc Elite
Pipe Calc Elite
Pipe Calc Elite
Calculator for Pipe Trade Pros
$19.99

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.

Pipe data and dimensionsPressure loss calculationsOffset and cutback calculations
🔧 Utilities
(143)
paid
8
Natural Gas Pipe Size
Natural Gas Pipe Size
Natural Gas Pipe Size
Pipe Sizing & Pressure Drop
$6.99

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.

Instant pipe diameter calculationPressure drop estimationSupports various conditions (heat, pressure, temp)
📊 Productivity
(1)
paid
9
Southwest Gas
Southwest Gas
Southwest Gas
Manage your account on the go
Free

Easily manage your gas account from anywhere. Track usage, view billing history, and make payments. Start, stop, or transfer service, and set up payment plans for residential and business customers.

Start, stop, or transfer serviceSave card info for quick paymentsView and export usage/billing history
💼 Business
(98K)
free
10
Philadelphia Gas Works
Philadelphia Gas Works
Philadelphia Gas Works
Manage Your PGW My Account
Free

Manage your natural gas account with ease. This app offers a user-friendly interface to pay bills, monitor usage, receive important notifications, and enroll in efficiency programs. Take control of your account from a single, convenient place.

Easy navigationSecure bill paymentMonitor gas usage
💼 Business
(5.6K)
free
11
Pipe Sizer - Water Pipe Sizing
Pipe Sizer - Water Pipe Sizing
Pipe Sizer - Water Pipe Sizing
Pipecalc Pressure & gravity
$1.99

This utility app assists in selecting appropriate pipe diameters for water systems, supporting both pressure and gravity flow calculations. It offers automatic recommendations based on user-defined limits and incorporates multiple pipe materials and unit systems.

Pressure pipe sizingGravity pipe sizingAutomatic pipe size recommendations
🔧 Utilities
(2)
paid
12
TracPipe CounterStrike Guide
TracPipe CounterStrike Guide
TracPipe CounterStrike Guide
by Omega Flex, Inc.
Free

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.

Flexible gas piping sizing calculatorSupports Longest Run or Branch length methodsCalculates capacity based on gas type, pressure, and pressure drop
🔧 Utilities
(7)
ad-supported
13
Pipe Fitter Calculator
Pipe Fitter Calculator
Pipe Fitter Calculator
by Kevin Morneault
$4.99

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.

Multiple pipe offset calculation optionsReducing tee offset calculationsOdd angle fitting calculations
📊 Productivity
(28)
free
14
Pipe Fitting & ASME Toolbox
Pipe Fitting & ASME Toolbox
Pipe Fitting & ASME Toolbox
Piping Febrication Pro
Free

Access essential piping engineering data, standards, and smart calculators for professionals and students. Covers ASME standards, pipe and flange dimensions, fitting details, and valve sizes. Includes daily tips and quizzes to enhance knowledge.

Engineering calculatorsPiping data and standardsPipe dimensions
🔧 Utilities
(11)
free with in-app purchases
15
Pipe Fitting
Pipe Fitting
Pipe Fitting
Pro Calc | Welding & Trades
Free

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.

Offset calculators (basic, rolling, parallel)Back-to-back fitting solutionsElbow miter cut and triangle solver
📊 Productivity
(21)
free with in-app purchases
16
PipeGauge – Pipe Size Finder
PipeGauge – Pipe Size Finder
PipeGauge – Pipe Size Finder
Instant Pipe Size Calculator
Free

This tool instantly calculates pipe sizes for plumbing, HVAC, and construction professionals. It eliminates the need for charts or internet access, providing quick and accurate results on job sites to prevent errors and improve efficiency.

Instant pipe size calculationDesigned for plumbers, HVAC, and contractorsNo charts or guessing required
🔧 Utilities
(1)
free
17
TracPipe UK Sizing & Reference
TracPipe UK Sizing & Reference
TracPipe UK Sizing & Reference
by Omega Flex, Inc.
Free

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.

Flexible gas piping sizing calculatorCapacity calculation based on gas type, pressure, and lengthAccess to TracPipe® Design and Installation Specification
🔧 Utilities
(0)
ad-supported
18
Pipe Source
Pipe Source
Pipe Source
by Kelly Pipe Co. LLC
Free

Access comprehensive steel pipe specifications and industry conversion calculators. Easily find pipe charts for various sizes and schedules, and quickly convert units like feet to tons and $/ft to $/ton. Connect with industry experts for immediate assistance.

Imperial and metric pipe chartsWall thickness and weight per foot dataOil Country and Tubular product information
📊 Productivity
(1)
free
19
HVAC Pipe Sizer - Liquid
HVAC Pipe Sizer - Liquid
HVAC Pipe Sizer - Liquid
Pipe size calcs for liquids
$4.99

Calculate pipe sizes for liquid systems, including hot and chilled water. Input flow rate, head loss, diameter, or velocity to determine other properties. Supports various liquids, pipe materials, and fittings, with English or metric units.

Liquid pipe sizingHydronic system calculationsInput flow, head loss, diameter, or velocity
📊 Productivity
(0)
paid
20
Gastite Sizing App
Gastite Sizing App
Gastite Sizing App
by Gastite Systems Limited
Free

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.

CSST sizing calculationNatural gas or LPG selectionAccess to FAQs
🔧 Utilities
(0)
free

FAQ about Gas Pipe Sizing Plumb

Are there free gas pipe sizing plumb apps for iPhone?
Yes — 12 of the top gas pipe sizing plumb apps we rank are free to download, including GES Gas Pipe Sizing Calculator and Pipe Trades Pro Calc.
Gas Pipe Sizing Plumb shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 222+ gas pipe sizing plumb apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.