Best Duct Calculator Elite Apps

219+ iOS apps curated and reviewed

3.9 avg rating
13 free apps
Updated April 2026

Every iPhone needs a few good duct calculator elite apps. We benchmark 219+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Top Picks for Duct Calculator Elite

Duct Calculator Elite#1

Duct Calculator Elite by Cyberprodigy LLC

Ducting Size Calculator
Editor's Choice
🔧 Utilities
4.8(220 ratings)
$6.99
Duct Calculator Elite screenshot 1
Duct Calculator Elite screenshot 2
Duct Calculator Elite screenshot 3
Duct Calculator Elite screenshot 4
Duct Calculator Elite screenshot 5

This ducting size calculator simplifies the job of duct sizing for HVAC professionals, allowing users to calculate duct size, velocity, pressure drop, and flow rate for ductwork with precision and ease. Download the app to streamline your duct sizing calculations and take advantage of customizable preference settings and accurate solver equations.

More Duct Calculator Elite apps to explore

4
Ductulator - Duct Sizing
Ductulator - Duct Sizing
Ductulator - Duct Sizing
HVAC Duct Design Calculator
$3.99
📊 Productivity
(272)
5
Duct Calculator
Duct Calculator
Duct Calculator
Ductulator & Duct Sizer
$19.99

This application allows HVAC engineers, designers, and contractors to quickly and accurately size new ducts or calculate the performance of existing ducts on their mobile devices. It enables users to perform calculations for round and rectangular ductwork, with features such as live updates, direct entry of numbers, and unit conversions, making it ideal for designing air handling systems.

🔧 Utilities
(179)
6
Duct Calculator.
Duct Calculator.
Duct Calculator.
HVAC Airflow & Duct Sizing
Free
📊 Productivity
(0)
7
Thermaflex Duct Calculator
Thermaflex Duct Calculator
Thermaflex Duct Calculator
by Gastite Products LLC
Free

This convenient application allows HVAC engineers to easily determine the smallest recommended duct size for their installation, based on specific volume and friction loss. Simply select the product, friction loss, and volume, and the app will calculate the velocity and display the appropriate duct size for your application.

🔧 Utilities
(1)
8
HVAC Duct Sizer
HVAC Duct Sizer
HVAC Duct Sizer
HVAC duct sizing and more...
$5.99

This application helps HVAC professionals quickly and easily size ducts using the constant friction method, with features to analyze existing duct systems and generate reports. Download the app to perform duct sizing analysis, track equipment, and access a range of HVAC calculation tools.

🔧 Utilities
(8)
9
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

Estimate concrete quantities with ease using 15 free calculators available in the app for various construction projects such as slabs, walls, and columns. Input dimensions in different units and receive results in both US customary and metric measurements. Access these trusted calculators by visiting www.inchcalculator.com.

🔧 Utilities
(21K)
10
Duct Calculator
Duct Calculator
Duct Calculator
by OMIKRON MAKINE MUHENDISLIGI IC VE DIS TICARET SANAYI LIMITED SIRKETI
Free

This mobile application allows users to easily calculate duct sizes and make necessary adjustments. Download it now to simplify your duct calculations and take control of your projects.

🔧 Utilities
(1)
11
DuctCalc.Ca
DuctCalc.Ca
DuctCalc.Ca
Ductulator Duct Calculator
Free

This duct calculator app allows users to size ducts using the Equal Friction Method and Velocity Method, calculating dimensions and air velocity for round and rectangular ducts, with the option to subscribe for full airflow functionality. By subscribing, users can access the full range of airflow calculations and use the app offline, making it a convenient tool for duct sizing and engineering applications.

🔧 Utilities
(20)
12
McCalc Fusion Calculator
McCalc Fusion Calculator
McCalc Fusion Calculator
HDPE/PP Pressure Calculator
Free

This calculator helps you find the correct fusion pressure for HDPE and Polypropylene pipe fusion jobs by selecting your fusion machine and entering pipe size and pressure requirements. Try it now to take the guesswork out of pipe fusion and get the recommended theoretical gauge pressure for your project.

💼 Business
(18)
13
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

📊 Productivity
(4.8K)
14
Calculator Pro Elite
Calculator Pro Elite
Calculator Pro Elite
Best Calculator
$9.99

A fully customizable calculator app with basic and scientific functions, memory features, and a history tape. Design your own color theme, access scientific functions, and enjoy convenient gestures for a seamless calculation experience. Download now for efficient and personalized calculations on-the-go!

🔧 Utilities
(2K)
15
Digiduct
Digiduct
Digiduct
Duct-Sizing App
Free

This HVAC duct-sizing app utilizes ASHRAE Fundamentals equations, offering accurate sizing for rectangular, round, and flat oval ducts with customizable dimensions and intelligent location parameters. Ensure precision in your HVAC designs by leveraging the unique features of this app.

🔧 Utilities
(10)
16
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Big Button Calculator Pro Lite
Easy Basic Calculator
Free

Experience the ultimate iOS calculator with big buttons, dual-line display, 18 color themes, and multi-line input for complex equations. Includes convenient gestures like swipe to backspace and clear. Perfect for all your calculating needs!

🔧 Utilities
(13K)
17
Duct Calculator S&P
Duct Calculator S&P
Duct Calculator S&P
by S&P SISTEMAS DE VENTILACION SL.
Free

This application allows users to perform various duct calculations, including diameter conversions, ventilation parameter calculations, pressure drop calculations, and unit conversions, making it easy to design and optimize duct systems. Try it out to simplify your duct calculations and get accurate results quickly.

🔧 Utilities
(1)
18
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

🔧 Utilities
(213)
19
HVAC Duct Size Calculator
HVAC Duct Size Calculator
HVAC Duct Size Calculator
by Alan Cave
$0.99

This application helps HVAC design professionals determine optimal duct sizes with precision, offering a list of suitable even-sized ducts at various aspect ratios. It features an intuitive interface for easy adjustments and calculations, making it a valuable tool for streamlining duct sizing tasks.

🔧 Utilities
(1)
20
Duct Calculator Pro
Duct Calculator Pro
Duct Calculator Pro
by Imran Pinjara
$3.99
🔧 Utilities
(1)