Best Gb Gas Pipe Sizing Calculator Apps

223+ iOS apps curated and reviewed

4.0 avg rating
14 free apps
Updated June 2026

Whether you're new to gb gas pipe sizing calculator or looking for an upgrade, our curated collection of 223+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Gb Gas Pipe Sizing Calculator Apps (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1GB Gas Pipe Sizing CalculatorGB Gas Pipe Sizing Calculator$7.991.7★ (6)NoNoJul 2026
2Gastite Sizing AppGastite Sizing AppFreeNoNoMay 2026
3Gas Pipe Sizing CalculatorGas Pipe Sizing Calculator$4.994.0★ (1)NoNoJul 2026
4Pipe Flow Wizard - CalculatorPipe Flow Wizard - CalculatorFree4.5★ (101)NoYesJul 2026
5GES Gas Pipe Sizing CalculatorGES Gas Pipe Sizing CalculatorFreeNoNoJun 2026
6Gas Pipe Sizing CalculatorGas Pipe Sizing Calculator$1.994.0★ (4)NoNoJul 2026
7GB Gas Heat Input CalculatorGB Gas Heat Input CalculatorFreeNoNoMay 2026
8Pipe Trades Pro CalcPipe Trades Pro CalcFree4.8★ (3.6K)NoYesJul 2026

Top Picks for Gb Gas Pipe Sizing Calculator

GB Gas Pipe Sizing Calculator#1

GB Gas Pipe Sizing Calculator by GB-GAS.CO.UK

Editor's Choice
💼 Business
1.7(6 ratings)
$7.99
GB Gas Pipe Sizing Calculator screenshot 1
GB Gas Pipe Sizing Calculator screenshot 2
GB Gas Pipe Sizing Calculator screenshot 3
GB Gas Pipe Sizing Calculator screenshot 4

This tool calculates natural gas pipe sizes for metric copper, stainless, and semi-rigid pipes in the UK. Input appliance gas rates, pipe length, and bends to determine if the installation meets the 1mb drop requirement from meter to appliance. It also suggests the appropriate gas meter size.

Gastite Sizing App#2

Gastite Sizing App by Gastite Systems Limited

Strong Contender
🔧 Utilities
0.0(0 ratings)
Free
Gastite Sizing App screenshot 1
Gastite Sizing App screenshot 2
Gastite Sizing App screenshot 3

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.

Gas Pipe Sizing Calculator#3

Gas Pipe Sizing Calculator by Mr Combi Training

Worth Considering
📊 Productivity
4.0(1 ratings)
$4.99
Gas Pipe Sizing Calculator screenshot 1
Gas Pipe Sizing Calculator screenshot 2
Gas Pipe Sizing Calculator screenshot 3

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.

More Gb Gas Pipe Sizing Calculator apps to explore

4
Pipe Flow Wizard - Calculator
Pipe Flow Wizard - Calculator
Pipe Flow Wizard - Calculator
Flow Rate & Pressure Loss Calc
Free

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.

Flow rate calculationsPressure loss calculationsPipe diameter sizing
🔧 Utilities
(101)
free with in-app purchases
5
GES Gas Pipe Sizing Calculator
GES Gas Pipe Sizing Calculator
GES Gas Pipe Sizing Calculator
Sizing for natural gas & LPG
Free
💼 Business
(0)
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
GB Gas Heat Input Calculator
GB Gas Heat Input Calculator
GB Gas Heat Input Calculator
by GB-GAS.CO.UK
Free

This tool simplifies calculating natural gas heat input and gas rates for installations. It allows users to time their meter, input readings, and get instant results, eliminating the need for manual charts or complex calculations.

Heat input calculationGas rate calculationMetric meter timing
💼 Business
(0)
free
8
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
9
McCalc Fusion Calculator
McCalc Fusion Calculator
McCalc Fusion Calculator
HDPE/PP Pressure Calculator
Free

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.

Select McElroy fusion machinesChoose from nine international standardsEnter pipe size in multiple units
💼 Business
(18)
free
10
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
11
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
12
Gas App Uk
Gas App Uk
Gas App Uk
by Gas App Uk Limited
Free

This app provides essential office tools, reference materials, and a community forum for gas engineers in the UK. It includes forms, invoices, quotations, a library of manuals, and a place to connect with industry peers for advice and support.

Office tools (forms, invoices, quotations)Fault finding forumCommunity Break Time forum
💼 Business
(2)
free with in-app purchases
13
Gas Engineer Software - GES
Gas Engineer Software - GES
Gas Engineer Software - GES
For gas, oil & plumbing pros
Free

This comprehensive app helps gas, oil, and plumbing professionals streamline their business operations. It allows for the creation of industry-specific certificates, issuance of quotes and invoices, and efficient job scheduling. Manage your team, customers, and finances from any device, anywhere, saving time and boosting revenue.

Create industry certificatesIssue quotes and invoicesSchedule jobs with calendar
💼 Business
(0)
free with in-app purchases
14
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
15
Pipe Tools
Pipe Tools
Pipe Tools
by Bri-Steel Manufacturing
Free

This app provides a comprehensive steel pipe handbook with charts for wall thickness, mass, and pressure calculations. It facilitates quick conversions and cost comparisons, allowing users to prepare and send customized PDF quotes for pipe sales.

Steel pipe charts (wall thickness, mass)Unit conversions (feet, meters, pounds, kg)Pipe cost comparison
📊 Productivity
(19)
free
16
Weight calculator for metals
Weight calculator for metals
Weight calculator for metals
Metal Weight calculator
Free

Easily calculate the mass, length, and price of various metal shapes. Supports custom metals and multiple units for length and weight. Offers both length and weight calculation modes for flexibility.

Calculate mass, length, and priceSupports custom metalsMultiple length and weight units
📊 Productivity
(252)
free with in-app purchases
17
Tape Measure Calculator Pro
Tape Measure Calculator Pro
Tape Measure Calculator Pro
Measuring Math Made Easy
$3.99

Perform complex calculations directly on a visual tape measure. Easily add, subtract, multiply, and divide measurements, mixing decimals and fractions. Get results in inches, feet, and centimeters, in both decimal and fractional formats, saving time and preventing errors.

Visual tape measure calculationsAdd, subtract, multiply, divide measurementsMix decimals and fractions
🔧 Utilities
(2.1K)
paid
18
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
19
Pipe Fitter Calculator
Pipe Fitter Calculator
Pipe Fitter Calculator
by LMF.Services
$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
(31)
free
20
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

FAQ about Gb Gas Pipe Sizing Calculator

What are the best gb gas pipe sizing calculator apps for iPhone?
GB Gas Pipe Sizing Calculator tops our gb gas pipe sizing calculator apps ranking as of June 2026, with a 1.7-star average from 6 App Store ratings, and it's priced at $7.99.
Yes — 14 of the top gb gas pipe sizing calculator apps we rank are free to download, including Gastite Sizing App and Pipe Flow Wizard - Calculator.
GB Gas Pipe Sizing Calculator has no ads and has no in-app purchases, according to its App Store listing as of June 2026.
We track 223+ gb gas pipe sizing calculator apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
GB Gas Pipe Sizing Calculator supports metric copper, stainless steel, and stainless semi-rigid pipes. While steel pipes or imperial copper equivalents can provide a good idea, they may not be completely accurate for calculations.
Pipe tables and pressure drops will only work up to 30m lengths of the chosen diameter in GB Gas Pipe Sizing Calculator. If the pressure drop does not change when changing the diameter, try a smaller pipe size.