Roof Calculator

An easy way to calculate roof with real-time drawings

Android app developer

Roof Calculator

House roofing calculator is a powerful and user-friendly roof calculator used for designing and calculating shed roof, gable roof, common rafter and much more. Fast calculations and design, ideal for roof builders. After calculation, you can see the graphical roof, rafter, hip from side to top in 2D drawing exactly how you like it.

House Roofing Calculator is designed to help architects, engineers, construction professionals, field technicians, builders, framers, carpenters, handymen and contractors, designers, drafts persons.

Roofing Calculator is mobile and accurate, fast and offers an abundance of features, makes life easier for everyone involved in a project for building a roof.

Shed Roof - or a lean-to roof, have slopes in one direction only. Sometimes used for an addition to an existing structure (being attached to the side of the structure or to the roof)

Gable Roof - has two sloping sides that meet at the top to form a gable at each end. The gable roof is the most common type of roof.

Hip Roof - has slopes at the end of the building as well as at the two sides.

You can calculate:

  • Simple rafter
  • Shed roof
  • Gable roof
  • Hip roof


  • All angles including the bird-mouth seat and heel
  • All dimensions for the rafter, jack, ridge and hip
  • Graphically detailed dimensions of the roof
  • Input both IMPERIAL and METRIC units, and calculate using fractions

Download from:

Get it on Google Play