Roof Area Calculator

Calculate total roof surface area with pitch adjustments

Your Roof Area Results

0
Building Footprint (sq ft)
0
Wall Area (sq ft)
0
Total Roof Surface Area
1x
Pitch Multiplier
Why multiply by pitch? Steeper roofs have more surface area than their footprint. An 8:12 pitch multiplies the footprint by 1.158x. Use this for accurate material estimates.