Roof Carpenter - Rafter Calc

Metric and Imperial roof/rafter calculating App including plumb and foot cut angles. For the tradesman and handyman alike. This app takes the hard work out of calculating rafter and hip/valley lengths to build a multi projection roof to a simple back yard pergola. Also use the app to calculate your plumb and foot cut angles with a handy bevel to transfer your angles. The app can also be used for calculating roof areas by multiplying the rafter length by the length of the building for example.