Best Natural Gas Pipe Size Apps

248+ iOS apps curated and reviewed

3.9 avg rating

10 free apps

Updated September 2026

Natural Gas Pipe Size is the household name in natural gas pipe size, but it's far from the only option. We track 248+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.

Compare top Natural Gas Pipe Size Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Natural Gas Pipe Size	$6.99	5.0★ (1)	No	No	Aug 2026
2	Gas Pipe Sizing Calculator	$1.99	4.0★ (4)	No	No	Sep 2026
3	Volume in Pipe	Free	5.0★ (1)	No	No	May 2026
4	GES Gas Pipe Sizing Calculator	Free	—	No	No	Sep 2026
5	Gas Pipe Sizing Plumb	$0.99	—	Yes	Yes	Jul 2026
6	GB Gas Pipe Sizing Calculator	$9.99	—	No	No	Aug 2026
7	Gas-main	Free	—	No	Yes	May 2026
8	Pipe and Fitting	$3.99	4.0★ (4)	No	No	Aug 2026

Top Picks for Natural Gas Pipe Size

Natural Gas Pipe Size by Sebastjan Valic

Pipe Sizing & Pressure Drop

Editor's Choice

📊 Productivity

5.0(1 ratings)

$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.

Gas Pipe Sizing Calculator by Connor Kelley

Strong Contender

🔧 Utilities

4.0(4 ratings)

$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.

Volume in Pipe by Kelly Gayneaux

Gas Volume Estimator

Worth Considering

📊 Productivity

5.0(1 ratings)

Free

Quickly estimate the gas volume within pipes, launchers, or vessels. Input operating conditions and pipe size for an approximate volume calculation. This tool is designed for rapid field estimates.

More Natural Gas Pipe Size apps to explore

GES Gas Pipe Sizing Calculator

Sizing for natural gas & LPG

Free

💼 Business

(0)

Gas Pipe Sizing Plumb

GB Gas Pipe Sizing Calculator

by George A Brown

$9.99

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.

Metric pipe sizingCopper, stainless, and semi-rigid pipe supportCalculates 1mb pressure drop

Gas pipeline calculation

This app provides detailed dimensions and specifications for a wide range of piping components, including pipes, fittings, flanges, clamps, hangers, and gaskets. It offers accurate measurements and material information, with the ability to switch between metric and US units for user convenience.

Accurate pipe dimensionsComprehensive material informationStrength analysis

🔧 Utilities

(4)

paid

Gas Pipe Sizing Calculator

by Mr Combi Sales Ltd.

$4.99

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.

Select pipe size based on gas typeEnter appliance heat inputSpecify pipe length and fittings

TracPipe System Guide

TracPipe Sizing Calculator

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

(9)

ad-supported

HVAC Pipe Sizer - Gas Plus

High/Low press. gas pipe calcs

$7.99

Calculate gas piping systems for low and high pressure. Input flow, pressure, or diameter to find pipe sizes, velocity, and equivalent lengths. Supports English and metric units, with extensive pipe fitting data.

Low and high pressure gas pipe sizingCalculate flow, pressure drop, diameter, and velocityUniversal app for iPhone and iPad

📊 Productivity

(1)

paid

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

Manage your natural gas account with ease. Make payments, view past statements, and set up or modify your service. This app provides convenient access to essential account management tools.

Make paymentsView statementsManage service

🔧 Utilities

(113)

free with in-app purchases

HVAC Pipe Sizer - Gas Low

Low pressure gas pipe calcs

$4.99

Quickly size low-pressure gas piping systems by inputting flow, pressure drop, diameter, or velocity. Includes detailed gas and pipe properties, fitting data, and unit conversion.

Low pressure gas pipe sizingInput flow, pressure drop, diameter, or velocityCalculate exact and nominal pipe diameters

Manage your account on the go

Free

Manage your natural gas account conveniently from your phone. View and pay bills, log in securely with biometrics, and explore new or renew existing service plans. Receive important account alerts directly to your device.

View and pay billsBiometric login (Face/Touch ID)Renew or shop for plans

All types of pipe sizing

$13.99

This utility app combines three specialized pipe sizing tools for HVAC systems: liquid, steam, and gas. It offers flexible input options, unit conversions, and an equipment locator for comprehensive HVAC design.

Liquid pipe sizingSteam pipe sizing with steam table calculatorGas pipe sizing (low and high pressure)

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

GB GAS L.P.G. PIPE SIZING APP

LPG Pipe sizing BS6891 method

$9.99

Calculate the correct pipe diameter for LPG installations based on gas rate, pipe length, and elbows. Includes conversion tables and gas bottle requirements.

LPG pipe sizing calculatorSupports metric copper, stainless steel, semi-rigid pipesCalculates allowable pressure drop

💼 Business

(0)

paid

FAQ about Natural Gas Pipe Size

What are the best natural gas pipe size apps for iPhone?

Natural Gas Pipe Size tops our natural gas pipe size apps ranking as of September 2026, with a 5.0-star average from 1 App Store ratings, and it's priced at $6.99.

Are there free natural gas pipe size apps for iPhone?

Yes — 10 of the top natural gas pipe size apps we rank are free to download, including Volume in Pipe and GES Gas Pipe Sizing Calculator.

Does Natural Gas Pipe Size have ads or in-app purchases?

Natural Gas Pipe Size has no ads and has no in-app purchases, according to its App Store listing as of September 2026.

How many natural gas pipe size apps are on the App Store?

We track 248+ natural gas pipe size apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

What is Natural Gas Pipe Size used for?

Natural Gas Pipe Size is used to quickly estimate the required pipe diameter for natural gas installations and calculate the pressure drop for a selected pipe section. It provides fast and accurate results for designing natural gas piping systems.

What units does Natural Gas Pipe Size support?

Natural Gas Pipe Size supports both metric and imperial units. This allows users to perform calculations according to their preferred measurement system for natural gas piping.