CREATED BY A ROOFER FOR ROOFERS! EASIEST + MOST ACCURATE WAY TO MEASURE ROOFS FINALLY...THE MOST ACCURATE ROOF MEASUREMENT PROGRAM EVER! Enter roof shape measurements into roofers office via your phone, tablet, or laptop. The shapes will be any combination of rectangles, squares, triangles, trapezoids, and parallelograms. If your measurement is 10ft. 11 inches. Then enter 10.11 and the program automatically computes it into ft. and inches. You can adjust the Waste Percentage depending on how many valleys, dormers, etc. Roofing Square Calculator is simple to use. When you know your measurements are accurate....you can price your jobs correctly. This will win you more jobs and save you a ton of money on material waste.