Tools

Professional architectural calculators and converters built for precision. Select a tool below.

Calculate risers, treads, angles and proportions using building standards.

Compute roof pitch, rise, run and rafter lengths instantly.

Convert slope between degrees, percent grade and ratio formats.

Convert between real measurements and drawing scale values.

Transform a measurement from one drawing scale to another effortlessly.

Measure real distances and areas directly from photos by defining a reference scale.