Best +online Duculator Apps

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!

Ref Tools

All-in-one HVACR app

Free

This all-in-one HVACR app provides essential tools for technicians, including refrigerant calculators, troubleshooting guides, and product finders, to streamline workflow and increase efficiency. Download the app to access a collection of useful tools and resources to help you get the job done quickly and effectively.

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.

Race Stats: Speedo and G Force

Speedometer 1/4 0-60 0-100

Free

Track your vehicle's performance with real-time GPS speed, GForce, and acceleration stats from 0-60 mph, 0-100 km/h, and 1/4 mile distances. Easily switch between metric and imperial units, and use the drag race simulation feature to test your car's limits and improve your driving skills. Start optimizing your speed with this all-in-one speedometer and GForce app today!

Conduit Bending

Electrical Conduit Bender

Free

$9.99 | 100% OFF

Get fast and accurate conduit bending calculations with our intuitive app, featuring a built-in calculator and support for various bend types, including offset, parallel, and saddle bends. Easily switch between imperial and metric units and choose from a large set of predefined benders to streamline your work.

BITZER REFRIGERANT RULER

Determine refrigerant data

Free

Quickly determine refrigerant data, including properties and environmental impact, with an intuitive app featuring over 100 refrigerants. Easily convert temperature to pressure, access detailed information, and customize settings for efficient use. Start optimizing your refrigeration processes now.

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.

EPA 608 Practice Test 2026

Prepare for your Certification

Free

Prepare for the EPA 608 HVAC Exam with our comprehensive test prep that aligns closely with exam objectives. Benefit from topic-based practice, versatile study modes, mock tests, instant feedback, personalized study plans, and a high passing possibility. Start mastering the required knowledge today and pass the exam with confidence!

Waterspeed: Track Watersports

Wing Sail Windsurf SUP Kayak

Free

Track, plan, and progress with our ultimate watersports companion app. From windsurfing to kitesurfing, stay safe with live tracking, compete globally, and celebrate milestones. Join over 400,000 users today - try it for FREE!

Physics++

with Formula Calculators

$0.99

This application is a comprehensive collection of physics formulas, covering topics such as mechanics, relativity, and thermodynamics, with over 120 formulas and calculators to help students easily solve exercises. With a search function and plans for future updates, it's an essential tool for physics and science students to quickly find and calculate formulas.

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.

Water Flow Calculators

by Waterous

Free

This application calculates water flow using various formulas, including Friction Loss, Smooth Nozzle, NFA, and Iowa Formulas, providing essential calculations for water flow analysis. Try it out to accurately determine water flow rates and make informed decisions.

WinFab - Sheet Metal Ductulator

by pasquale dipaola

$3.99

This application is a duct sizing calculator designed to help users quickly and accurately determine the optimal size for sheet metal ducts. Try it out to streamline your duct sizing calculations and get precise results.