Best Air Duct Size Calculator Apps

0+ iOS apps curated and reviewed

4.3 avg rating
18 free apps
Updated June 2026

With an average user rating of 4.3★, the air duct size calculator category is one of the App Store's strongest. Browse all 0+ apps we track, sorted so the most loved ones surface first.

Top Picks for Air Duct Size Calculator

More Air Duct Size Calculator apps to explore

4
Ductulator - Duct Sizing
Ductulator - Duct Sizing
Ductulator - Duct Sizing
HVAC Duct Design Calculator
$3.99
📊 Productivity
(272)
5
SMACNA Duct-U-Lator
SMACNA Duct-U-Lator
SMACNA Duct-U-Lator
Size Simple HVAC Duct Runs
Free
💼 Business
(1)
6
HVACR Check & Charge
HVACR Check & Charge
HVACR Check & Charge
PT Charts Superheat Subcooling
Free

HVACR Check is a powerful tool for HVAC technicians that streamlines equipment checklists, service reports, and maintenance workflows. Simplify your work processes and stay organized with this all-in-one solution.

🔍 Reference
(16K)
7
Calculator of Air
Calculator of Air
Calculator of Air
Psychrometric Charts Tool
Free

This application allows users to easily calculate various humidity-related values, such as dew point temperature and relative humidity, by inputting just two of six supported items. Try it out and get accurate calculations for your psychrometric chart needs!

📊 Productivity
(14)
8
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)
9
Blueair
Blueair
Blueair
Healthier living starts here
Free

Elevate your air purifier experience with an app designed for optimal performance and ease of use. Monitor indoor and outdoor air quality, schedule cleanings, track filter lifetimes, and more for peace of mind.

🌟 Lifestyle
(22K)
10
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

🔧 Utilities
(38K)
11
Calculator HD++
Calculator HD++
Calculator HD++
by smalltech sarl
Free

Experience a high precision calculator app that offers a user-friendly interface, supports multiple functionalities like undo, switching workspaces, Bluetooth keyboard compatibility, and more. Print and share your calculations with ease and precision for free!

🔧 Utilities
(268)
12
Flat Pattern Bend Calculator
Flat Pattern Bend Calculator
Flat Pattern Bend Calculator
Cad for pipe elbow,cone,flange
Free

This application simplifies complex metal sheet calculations, enabling users to accurately calculate flat pattern bends for various shapes and structures. It offers a comprehensive tool for engineers, fabricators, and designers to generate precise flat pattern layouts, saving time and minimizing errors in fabrication projects.

🔧 Utilities
(147)
13
Miller Weld Setting Calculator
Miller Weld Setting Calculator
Miller Weld Setting Calculator
by Miller Electric Mfg Co
Free

Optimize your welding performance with a smart calculator app that fine-tunes your machine settings for the best results. Enhance your welding experience with precise parameters and process information on TIG, Stick, or MIG welding techniques.

🔍 Reference
(78)
14
Sporty's E6B Flight Computer
Sporty's E6B Flight Computer
Sporty's E6B Flight Computer
Calculator for pilots
$9.99

A versatile aviation calculator designed for pilots with 27 functions for navigation, conversion, and fuel calculations. Features an advanced timer and clock for tracking multiple time zones. Experience efficient problem-solving and arithmetic calculations for smooth flight operations.

🗺️ Navigation
(5K)
15
Pipe Trades Pro Calc
Pipe Trades Pro Calc
Pipe Trades Pro Calc
Calculator | Welding & Piping
Free

This application is an advanced pipe trades math calculator for iPhone users, offering instant answers for pipe layout and design problems. With features like cut lengths, parallel pipe cutbacks, flow rates, and more, it is a valuable tool for pipefitters, steamfitters, sprinklerfitters, and welders. Spend less time calculating and more time working with pipes. Try it out now!

🔧 Utilities
(3.6K)
16
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

Calculate measurements with ease using this construction calculator designed for quick and accurate results. Perfect for all your project needs – download now and simplify your work!

🔧 Utilities
(384)
17
Soil Calculator Plus
Soil Calculator Plus
Soil Calculator Plus
by Inch Calculator
Free

Estimate soil, topsoil, and landscaping materials easily with a free calculator. Input measurements for different areas and get accurate results in various units, from cubic yards to liters. Simplify your projects with this trusted tool by Inch Calculator.

🔧 Utilities
(668)
18
AC Infinity
AC Infinity
AC Infinity
AC Infinity Inc.
Free

The AC Infinity app allows you to control smart ventilation systems and monitor environmental data for HVAC or grow projects. With advanced programming features and insightful data tracking, seamlessly pair with compatible devices for optimal control. Visit www.acinfinity.com for more details.

🌟 Lifestyle
(808)
19
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)
20
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)