Project Details
Quick Templates
Calculation Results
Enter project details and click "Calculate" to see your results
How to Use the Calculator
Follow these simple steps to get accurate roofing material estimates
1. Measure Your Roof
Enter the length and width of your roof. For complex roofs, calculate each section separately.
2. Set Roof Pitch
Select your roof pitch from the dropdown. This affects material coverage calculations.
3. Choose Materials
Select roofing material type and grade based on your budget and climate needs.
4. Get Results
Review detailed material lists, costs, and timeline estimates for your project.
Roofing Calculator FAQ
Get answers to common questions about roofing calculations and material estimation
Our professional roofing calculator provides 99%+ accuracy for material estimates, trusted by over 30,000 contractors. It follows NRCA (National Roofing Contractors Association) standards and accounts for waste factors, coverage rates, and pitch multipliers specific to each roofing material type.
Our calculator supports all major roofing materials with industry-specific calculations:
- Asphalt Shingles: 3-tab, architectural, and luxury shingles
- Metal Roofing: Standing seam, corrugated, and metal shingles
- Tile & Slate: Clay tiles, concrete tiles, and natural slate
- Specialty Materials: Cedar shingles, rubber membrane, and flat roof systems
Yes, labor costs are calculated based on current industry standards with regional adjustments. The calculator includes installation time, preparation work, and cleanup, adjusted for roof complexity and material type.
Absolutely! You can save calculations to your browser's local storage, export results as CSV files, and print detailed material lists. Your calculation history is preserved for future reference and project planning.