Blue = Feet
Green = Inches & fractions

Tools include:
- Triangle calculator (calculate angles, diagonals, squares)
- Unit converter (imperial to metric)
- Scale (scale plan dimensions)
- Pipe fitting (calculate travel, run, required elbow angle, equal spread offset)
- Circles / Columns (calculate area, volume from radius or diameter + height)
- Advanced circles (Calculate chords, arcs, cross sectional areas)
- Stair stringers (Cut guide / calculator for stair stringers)
- Board Feet (Calculate board feet, pricing, create take-off list)
- Baluster / Fence (calculate spacing for balusters and fence posts)

Questions or suggestions?
Email [email protected] (same day replies!)

1. Click the download button to Downloading Page.

2. For Normal APK File, you can direct download the file, or you can choose fast download the file with our Installer.

3. For Speicial file such as XAPK or BAPK, you must to choose fast download the file with our Installer.

4. When you finish the file downloading, you must allow your phone to install the file from unknown resource.

Improved UI with focus on Tool improvements
Common Rafter calculator