Accurate cost estimates, measurements, pitch calculations, and material quantities — built for homeowners, contractors, and builders. No signup required.
From cost estimation to structural framing, every tool you need for roofing projects — all free and instantly available.
Get an accurate estimate for your full roof replacement. Factors in material, pitch, labor, tear-off, and regional pricing.
Calculate CostCompare roofing costs per square foot across different materials and project types. See side-by-side pricing.
Compare CostsEstimate repair costs for leaks, damaged shingles, flashing, and more. Includes repair vs. replace guidance.
Estimate RepairCalculate your roof's total area from house dimensions, pitch, and shape. Includes waste factor and roofing squares conversion.
Measure RoofConvert between pitch ratio, degrees, and percentage. Visual pitch diagram with rafter multiplier and common pitch reference.
Find PitchCalculate exact shingle bundles, roofing squares, nails, and underlayment needed. Supports 3-tab and architectural shingles.
Calculate ShinglesDetermine panels, screws, ridge caps, and trim for standing seam and corrugated metal roofing projects.
Calculate MetalCalculate rafter length, birdsmouth cut, ridge height, and board feet. Supports common, hip, and valley rafters.
Calculate RaftersDesign trusses with span, pitch, and type selection. Get height, member lengths, and quantity needed for your project.
Design TrussesCalculate area for gable, hip, gambrel, mansard, flat, shed, and saltbox roofs with shape-specific geometry.
Choose ShapeEstimate solar panel costs, energy production, tax credits, payback period, and 25-year savings. Compare Tesla vs standard.
Calculate SolarCalculate required intake and exhaust ventilation using IRC building codes. Get vent counts for ridge, soffit, and turbine vents.
Plan VentilationCalculate dead load, live load, and snow load on your roof. Verify your structure meets building code requirements.
Check LoadDetermine the right gutter size, downspout count, and drainage capacity based on roof area and rainfall intensity.
Size GuttersOur calculators use industry-standard formulas and real-world pricing data to give you reliable estimates.
Input your roof dimensions, material preferences, and project specifics into the calculator form.
Our algorithms process your inputs using industry formulas to deliver accurate estimates in real time.
Use the detailed breakdown to budget materials, compare options, and plan your roofing project with confidence.
Start with our most popular calculator and get an instant cost estimate for your roof replacement.