This calculator gives a rough planning-stage estimate for commercial roofing costs, using the same published 2026 industry cost ranges cited in our Commercial Roofing Cost guide. It is a starting point for budgeting conversations, not a quote.
Actual cost depends on roof complexity, region, labor market, code requirements, and deck condition — none of which a size-and-system calculator can see. Always get itemized bids from multiple contractors before budgeting a real project. See our guide to choosing a contractor for what a good bid should include.
Roofing Cost Estimator
Enter a roof size and select a system to see an estimated range.
Ranges reflect commonly published 2026 industry figures and vary by region, building condition, and contractor. See the full cost guide for what drives the price.