Roof Area Calculator
Estimate your roof area for replacement, repair, or planning. Enter your building dimensions and get instant results in square metres.
Steeper roofs have more surface area
Get a Professional Roof Estimate
Our roofing experts will inspect your roof and provide an accurate quote including materials and labour.
Or fill out our contact formThis calculator provides estimates based on simplified measurements. Actual roof area may vary due to dormers, valleys, chimneys, and other features. A professional inspection is recommended for accurate quotes.