Best Pipe Flow Gas Pipe Diameter Apps

245+ iOS apps curated and reviewed

4.4 avg rating
12 free apps
Updated August 2026

From beginner-friendly picks to power-user tools, our pipe flow gas pipe diameter list covers 245+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.

Compare top Pipe Flow Gas Pipe Diameter Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Pipe Flow Gas Pipe DiameterPipe Flow Gas Pipe DiameterFree5.0★ (2)NoYesMay 2026
2Pipe Flow Liquid Pipe DiameterPipe Flow Liquid Pipe DiameterFree4.6★ (5)NoYesMay 2026
3Gas-mainGas-mainFreeNoYesMay 2026
4Natural Gas Pipe SizeNatural Gas Pipe Size$6.995.0★ (1)NoNoJun 2026
5Pipe Diameter CalculatorsPipe Diameter CalculatorsFreeNoNoMay 2026
6Gas Pipe Sizing PlumbGas Pipe Sizing Plumb$0.99YesYesJul 2026
7PipeSizer: Diameter SelectorPipeSizer: Diameter SelectorFreeNoNoJul 2026
8Pipe and FittingPipe and Fitting$3.993.7★ (3)NoNoJul 2026

Top Picks for Pipe Flow Gas Pipe Diameter

Pipe Flow Gas Pipe Diameter#1

Pipe Flow Gas Pipe Diameter by Daxesoft Ltd

Find Size, Friction Loss Calc
Editor's Choice
🔧 Utilities
5.0(2 ratings)
FreeIn-App Purchases
Pipe Flow Gas Pipe Diameter screenshot 1
Pipe Flow Gas Pipe Diameter screenshot 2
Pipe Flow Gas Pipe Diameter screenshot 3
Pipe Flow Gas Pipe Diameter screenshot 4
Pipe Flow Gas Pipe Diameter screenshot 5
Pipe Flow Gas Pipe Diameter screenshot 6

This utility app calculates the minimum internal pipe diameter for gas flow based on flow rate and pressure loss. It supports various calculation equations and offers comprehensive results with customizable units and databases for materials, fluids, and fittings.

Pipe Flow Liquid Pipe Diameter#2

Pipe Flow Liquid Pipe Diameter by Daxesoft Ltd

Find Size, Friction Loss Calc
Strong Contender
🔧 Utilities
4.6(5 ratings)
FreeIn-App Purchases
Pipe Flow Liquid Pipe Diameter screenshot 1
Pipe Flow Liquid Pipe Diameter screenshot 2
Pipe Flow Liquid Pipe Diameter screenshot 3
Pipe Flow Liquid Pipe Diameter screenshot 4
Pipe Flow Liquid Pipe Diameter screenshot 5
Pipe Flow Liquid Pipe Diameter screenshot 6

This app calculates the minimum internal pipe diameter required for a specific flow rate and maximum pressure loss. It offers comprehensive results, customizable databases for materials and fluids, and generates professional reports.

More Pipe Flow Gas Pipe Diameter apps to explore

4
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
5
Pipe Diameter Calculators
Pipe Diameter Calculators
Pipe Diameter Calculators
Pipe Volume Calculator
Free
📊 Productivity
(0)
6
Gas Pipe Sizing Plumb
Gas Pipe Sizing Plumb
Gas Pipe Sizing Plumb
NFPA 54 Gas Sizer
$0.99
🔧 Utilities
(0)
7
PipeSizer: Diameter Selector
PipeSizer: Diameter Selector
PipeSizer: Diameter Selector
Pipe diameter selection
Free
🔧 Utilities
(0)
8
Pipe and Fitting
Pipe and Fitting
Pipe and Fitting
Pipe Dimension
$3.99

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
(3)
paid
9
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
10
Gas Pipe Sizing Calculator
Gas Pipe Sizing Calculator
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
📊 Productivity
(1)
paid
11
HVAC Pipe Sizer - Gas Low
HVAC Pipe Sizer - Gas Low
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
📊 Productivity
(2)
paid
12
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
13
HVAC Pipe Sizer - Gas Plus
HVAC Pipe Sizer - Gas Plus
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
14
Pipe Flow Gas Pressure Drop
Pipe Flow Gas Pressure Drop
Pipe Flow Gas Pressure Drop
Find Loss, Friction Loss Calc
Free

This app calculates gas pressure loss in pipes using various compressible flow equations. It automatically handles gas density changes and provides detailed results including Reynolds number and friction factors. Users can customize pipe materials, fittings, and gases from integrated or custom databases.

Friction and fitting loss calculationsMultiple compressible flow equationsAutomatic gas density handling
🔧 Utilities
(11)
free
15
GES Gas Pipe Sizing Calculator
GES Gas Pipe Sizing Calculator
GES Gas Pipe Sizing Calculator
Sizing for natural gas & LPG
Free
💼 Business
(0)
16
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
17
HVAC Pipe Sizer Plus
HVAC Pipe Sizer Plus
HVAC Pipe Sizer Plus
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)
🔧 Utilities
(1)
paid
18
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
19
Pipe Flow Gas Flow Rate
Pipe Flow Gas Flow Rate
Pipe Flow Gas Flow Rate
Find Flow, Friction Loss Calc
Free

This utility app calculates gas flow rates in pipes, accounting for friction and fitting losses using compressible isothermal equations. It offers extensive databases for materials, fittings, and gases, with customizable units and reporting options.

Gas flow rate calculationFriction and fitting loss analysisCompressible isothermal equations
🔧 Utilities
(7)
free
20
Pipe Volume Calculator
Pipe Volume Calculator
Pipe Volume Calculator
Part of CalCon Calculator
Free
🔧 Utilities
(0)

FAQ about Pipe Flow Gas Pipe Diameter

What are the best pipe flow gas pipe diameter apps for iPhone?
Pipe Flow Gas Pipe Diameter tops our pipe flow gas pipe diameter apps ranking as of August 2026, with a 5.0-star average from 2 App Store ratings, and it's free to download.
Yes — 12 of the top pipe flow gas pipe diameter apps we rank are free to download, including Pipe Flow Gas Pipe Diameter and Pipe Flow Liquid Pipe Diameter.
Pipe Flow Gas Pipe Diameter has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 245+ pipe flow gas pipe diameter apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Pipe Flow Gas Pipe Diameter is a utility app designed to calculate the minimum internal pipe diameter required for a specific gas flow rate while adhering to a maximum allowable pressure loss. It assists engineers in designing and analyzing gas piping systems.
The app utilizes several established equations for flow rate and pressure loss calculations, including the General Fundamental Flow, Complete Isothermal Flow, AGA, IGT, Panhandle A, Panhandle B, and Weymouth equations.