Online Roof Calculators

Free Professional Rafter Calculator, View interactive plan with 3D Rafter view. Design any rafter with any roof pitch or roof angle. Set the run, overhang, birdsmouth depth, height above plate, rise from wall, rafter depth.

Professional Hip Rafter Calculator, irregular hip roof or same roof pitch. Get every jack rafter length. View interactive plan with 3D Rafter view. Any roof pitch or roof angle. Set the run, overhang, birdsmouth depth, height above plate, rise from wall, rafter depth.

Professional Valley Calculator. Get every rafter length instantly. View interactive plan with 3D Rafter view. Any roof pitch or roof angle. Set the rafter spacing, truss height, rafter depth.

Professional Dormer Calculator, Get every stud length, View interactive plan. Any roof pitch or roof angle.

Professional Truss Hip Rafters Calculator. View interactive plan with 3D Rafter view. See every hip rafter length and common rafter between trusses, Any roof pitch or roof angle. Set the truss length, overhang, rafter depth.

Professional Bay Roof Calculator, Get every rafter length. View interactive plan with 3D Rafter view. Any roof pitch or roof angle. Set the run, overhang, birdsmouth depth, height above plate, rise from wall, rafter depth.

Professional Gable Truss Calculator, With or without an overhang. Get every stud length, View interactive plan, Any roof pitch or roof angle.

Professional Bay Roof Section Calculator, Get every rafter length. View interactive plan with 3D Rafter view. Any roof pitch or roof angle. Set the run, overhang, birdsmouth depth, height above plate, rise from wall, rafter depth.

Professional Plywood Angle Calculator. Get the plywood angle instantly for any roof pitch or roof angle.

Professional Gambrel Truss - Gambrel Roof Calculator. View interactive plan with 3D Rafter view. Any roof pitch or roof angle. Set the run, overhang, birdsmouth depth, height above plate, rise from wall, rafter depth.

Professional Turret Roof Builder. Great for gazebos and octogonal roofs. Any number of sides, View interactive plan with 3D Rafter view. Any roof pitch or roof angle. Set the run, overhang, birdsmouth depth, height above plate, rise from wall, rafter depth.