Enter your measurements, rounded to the nearest foot. Roof Sheathing Calculator – Estimate the Plywood Needed for a Roof Estimate how many sheets of 4×8 plywood are needed to sheath a roof, accounting for roof pitch. Roof Sheathing Hip Roof Imperial Calculator Estimate the number of sheets of plywood or OSB that are needed for sheathing a Hip roof. Our roof pitch calculator finds pitch in inches per foot, slope, degrees, and rise over run. Use our roofing calculator to measure correctly and determine how much roofing material you need for your project. If there is a 3' x 7' door opening and 4' x 5 ' window then calculate the square footage of these openings. This free roofing calculator estimates the area of a roof and the amount of materials required to replace or build said roof. Sometimes you will end up with leftovers that are too small to use and you may need additional sheathing material. Width of Area to cover: in Metres: Roofing Profile Note: The number of sheaths needed is based on square footage of the area and the square footage of one sheath of plywood. Estimate the number of sheets needed for sheathing a wall or floor with plywood or OSB. If you have a very small opening in your wall then ignore that. Then, connect with local roofers for help with your roofing project. Enter values below. Explore a number of housing related calculators, as well as hundreds of other calculators covering topics such as finance, math, health, fitness, and more. Length: The calculation is based on 4' x 8' sheets = 32 square feet each. Plus, learn four methods to measure and calculate roof slope. Roof Sheeting Calculator.

Number of sheets needed based on 4' x 8' sheet size. Gable Roof Sheathing Calculator (Imperial) Estimate the amount of plywood or OSB needed for sheathing a roof. 3' x 7' = 21 sq ft and 4' x 5' = 20 sq ft. Add these two amounts together 21 + 20 = 41 and subtract this … The calculation is based on that the Plywood or …