Utilities

Roof geometry

Gable, hip and shed roofs: pitch conversions, common, hip, valley and jack rafter lengths and cuts, ridge, plan and roof areas.

No card needed. 30 days free, every calculation type.

What you get

From the inputs to a finished roof geometry calculation

Every step shown

Each result with its equation, the values that go into it and, where there is one, the code section. Results update as you type.

A calculation report a reviewer can follow

Inputs and every step with its result and reference, in a clear PDF with your title block.

Drawings

Where the calculation has a shape to draw: elevations, sections and the diagrams, on a sheet with your title block, as PDF or DXF.

Your units, your method

US or metric units at any time, LRFD or ASD where the code offers both; the report follows.

Verification

How the roof geometry is tested

7worked examples
27values compared
27match
0documented differences, each explained

Against hand calculations from the code equations, on every change. The method and the sources.

Run your next roof geometry calculation today

Free for 30 days, then $45 a month or $400 a year per user. Nothing to install.

ILX Studio, LLC is not affiliated with or endorsed by AISC, ACI, AWC, TMS, AISI, ASCE or any other code organization.