Roof Guide - Carpentry Calc is a comprehensive calculator designed specifically for construction professionals. Developed by Infoguide Pty Ltd, this app offers a range of calculators, including roofing and framing, decking, stairs, and concrete. It is an accurate, reliable, and easy-to-use tool that saves time and effort required for roof, framing, deck, stairs, and other building/construction calculations.

Roof Guide is available in two versions: a monthly subscription and a lifetime purchase, which is a once-off payment. It supports both metric and imperial units, and you can print, email, or generate reports. This app is widely used by carpenters, roofers, contractors, builders, and construction pros in over 30 countries worldwide. With this app, you will never forget your span or rafter tables, red roofing book, and other standalone construction calculators again.

Roof Guide offers several calculators, such as roof framing, decking/flooring set-out, timber set-out, stud walls set-out, stair framing, concrete calculator/estimator, and a general calculator with tape. The app also features extensive help, offering detailed information on most buttons. Roof Guide is optimized for all iPhones and iPads using IOS16.2+ in portrait mode.