Essential Roofing Calculator

Essential Roofing Calculator is a practical site companion for carpenters, roofers and builders working with pitched roofs. Designed around the Essential Carpentry Tools roofing system, the app provides clear Metric and Imperial calculations with practical site-friendly outputs. BASIC ROOF PITCH • Overall span and ridge thickness • Roof pitch in degrees or Rise : 12 • Rafter Setout Length • Hip Plumb Cut • Clearly highlighted Roofing Square Setting ADVANCED ROOFING TOOLS • Hip Rafter calculations • Hip cheek / side cut • Jack Rafter schedules • Birdsmouth geometry • Ridge Height • Rafter Quantity Calculations are performed at full precision internally, with practical rounded values presented clearly for use on site. The app also includes links to Dan Cox / Ultimate Roofing Square instructional videos and direct access to the Dan Cox Essential Roofing Square R2, manufactured and sold by Benchdog Tools. ESSENTIAL CARPENTRY TOOLS Working in partnership with Benchdog Tools Important: The calculator is intended as a setting-out and calculation aid. Users remain responsible for checking dimensions, structural requirements, applicable building regulations and site conditions before cutting or construction.