All Roofing Calculators
90 free calculators for every roofing project. From shingle quantities to full cost estimates, find the exact tool you need.
Shingle & Material Calculators
All shingle & material calculators calculators for your roofing project.
20 calculators
Shingle Calculator
Free shingle calculator to estimate how many bundles of shingles you need. Enter your roof dimensions and pitch to get an accurate material estimate with cost breakdown.
Open calculatorAsphalt Shingle Calculator
Free asphalt shingle calculator. Enter your roof dimensions to estimate bundles, squares, and total material cost for 3-tab, architectural, or luxury asphalt shingles.
Open calculatorArchitectural Shingle Calculator
Free architectural shingle calculator. Estimate bundles and cost for dimensional shingles.
Open calculator3-Tab Shingle Calculator
Free 3-tab shingle calculator. Estimate bundles and cost for basic asphalt shingles.
Open calculatorWood Shingle Calculator
Free wood shingle calculator. Estimate bundles for wood shingle roofing.
Open calculatorCedar Shake Calculator
Free cedar shake calculator. Estimate bundles and cost for cedar shake roofing.
Open calculatorShingle Bundle Calculator
Free shingle bundle calculator. Convert between bundles, squares, and square feet of coverage.
Open calculatorUnderlayment Calculator
Free underlayment calculator. Estimate rolls of felt or synthetic underlayment for your roof.
Open calculatorDrip Edge Calculator
Free drip edge calculator. Estimate pieces of drip edge for eaves and rakes.
Open calculatorRidge Cap Calculator
Free ridge cap calculator. Estimate ridge cap bundles for your roof ridge.
Open calculatorStarter Strip Calculator
Free starter strip calculator. Estimate starter strip rolls or pieces for your eaves.
Open calculatorRoofing Nail Calculator
Free roofing nail calculator. Estimate nails and coils needed based on roof area.
Open calculatorRoof Plywood Calculator
Free roof plywood calculator. Estimate 4×8 sheets of plywood for roof sheathing.
Open calculatorFlashing Calculator
Free flashing calculator. Estimate step flashing, counter flashing, and valley flashing.
Open calculatorValley Calculator
Free roof valley calculator. Estimate valley flashing and underlayment for roof valleys.
Open calculatorIce & Water Shield Calculator
Free ice & water shield calculator. Estimate membrane rolls for eaves and valleys.
Open calculatorRoofing Felt Calculator
Free roofing felt calculator. Estimate rolls of 15lb or 30lb roofing felt.
Open calculatorRoofing Material Calculator
Free roofing material calculator. Get a complete BOM including shingles, underlayment, flashing, nails, and more.
Open calculatorRoof Waste Calculator
Free roof waste calculator. Determine the correct waste percentage based on roof complexity.
Open calculatorRoofing Square Calculator
Free roofing square calculator. Convert between roofing squares, square feet, and bundle counts.
Open calculatorRoof Measurement
All roof measurement calculators for your roofing project.
10 calculators
Roof Area Calculator
Free roof area calculator. Enter your building dimensions, roof pitch, and overhang to calculate accurate roof square footage for material ordering.
Open calculatorRoof Pitch Calculator
Free roof pitch calculator. Enter rise and run to find your roof pitch ratio, slope in degrees, and area multiplier. Includes methods to measure pitch from inside your attic.
Open calculatorRoof Slope Calculator
Free roof slope calculator. Convert between slope percentage, degrees, and pitch ratio.
Open calculatorRoof Square Footage Calculator
Free roof square footage calculator. Find your total roof area from building dimensions.
Open calculatorRoof Angle Calculator
Free roof angle calculator. Convert pitch ratio to degrees and vice versa.
Open calculatorRafter Length Calculator
Free rafter length calculator. Determine rafter length based on building width and roof pitch.
Open calculatorRoof Overhang Calculator
Free roof overhang calculator. Determine the right eave and rake overhang for your climate.
Open calculatorRoof Rise Calculator
Free roof rise calculator. Find how high your roof rises above the wall plate.
Open calculatorRoof Span Calculator
Free roof span calculator. Determine the horizontal span from rafter measurements.
Open calculatorRoof Run Calculator
Free roof run calculator. Find the horizontal distance from rise and pitch.
Open calculatorCost Calculators
All cost calculators calculators for your roofing project.
15 calculators
Roof Replacement Cost Calculator
Free 2026 roof replacement cost calculator. Enter your roof size, material, and location to get an accurate estimate of total project cost with detailed breakdown.
Open calculatorNew Roof Cost Calculator
Free new roof cost calculator. Get estimates for new construction roofing projects.
Open calculatorRoof Repair Cost Calculator
Free roof repair cost calculator. Estimate costs for leak repair, shingle replacement, and more.
Open calculatorMetal Roof Cost Calculator
Free metal roof cost calculator with 2026 pricing. Standing seam, corrugated, and metal shingle costs.
Open calculatorStanding Seam Metal Roof Cost Calculator
Free standing seam metal roof cost calculator. Estimate panels, clips, and installation costs.
Open calculatorTile Roof Cost Calculator
Free tile roof cost calculator. Clay and concrete tile pricing with installation.
Open calculatorClay Tile Roof Cost Calculator
Free clay tile roof cost calculator with 2026 pricing.
Open calculatorConcrete Tile Roof Cost Calculator
Free concrete tile roof cost calculator with 2026 pricing.
Open calculatorSlate Roof Cost Calculator
Free slate roof cost calculator. Estimate natural and synthetic slate costs.
Open calculatorRoof Tear-Off Cost Calculator
Free roof tear-off cost calculator. Estimate removal and disposal costs by layers.
Open calculatorRoof Labor Cost Calculator
Free roof labor cost calculator. See average labor rates for your state and material type.
Open calculatorAsphalt Shingle Cost Calculator
Free asphalt shingle cost calculator. 3-tab, architectural, and premium shingle pricing.
Open calculatorCedar Shake Cost Calculator
Free cedar shake cost calculator. Estimate cedar shake installation costs.
Open calculatorRoof Financing Calculator
Free roof financing calculator. Estimate monthly payments and total interest.
Open calculatorRoof ROI Calculator
Free roof ROI calculator. Estimate home value increase and energy savings.
Open calculatorVentilation & Systems
All ventilation & systems calculators for your roofing project.
8 calculators
Roof Ventilation Calculator
Free roof ventilation calculator. Enter your attic size to calculate required Net Free Area (NFA), ridge vent length, soffit vent count, and attic fan CFM.
Open calculatorSoffit Vent Calculator
Free soffit vent calculator. Determine the number and size of soffit vents needed.
Open calculatorRidge Vent Calculator
Free ridge vent calculator. Determine how much ridge vent to install for proper exhaust.
Open calculatorAttic Ventilation Calculator
Free attic ventilation calculator. Plan balanced intake and exhaust ventilation.
Open calculatorGutter Calculator
Free gutter calculator. Estimate linear feet of gutters and downspout count.
Open calculatorDownspout Calculator
Free downspout calculator. Determine the right number and size of downspouts.
Open calculatorGutter Guard Calculator
Free gutter guard calculator. Estimate linear feet of gutter protection needed.
Open calculatorAttic Fan Calculator
Free attic fan calculator. Determine the right CFM rating for your attic size.
Open calculatorSpecialty Material Calculators
All specialty material calculators calculators for your roofing project.
10 calculators
Metal Roof Calculator
Free metal roof calculator for standing seam, corrugated, and metal shingle roofing. Enter your dimensions to get panel count, fastener quantity, and cost estimate.
Open calculatorStanding Seam Calculator
Free standing seam calculator. Estimate panels, clips, and trim for standing seam metal roofs.
Open calculatorCorrugated Metal Roof Calculator
Free corrugated metal roof calculator. Estimate panels, screws, and trim pieces.
Open calculatorTile Roof Calculator
Free tile roof calculator. Estimate clay or concrete tiles, battens, and mortar.
Open calculatorSlate Roof Calculator
Free slate roof calculator. Estimate natural slate pieces and copper nails.
Open calculatorEPDM Roof Calculator
Free EPDM rubber roof calculator. Estimate membrane, adhesive, and flashing.
Open calculatorTPO Roof Calculator
Free TPO roof calculator. Estimate membrane rolls, fasteners, and accessories.
Open calculatorBuilt-Up Roof Calculator
Free built-up roof calculator. Estimate layers, gravel, and bitumen for BUR systems.
Open calculatorModified Bitumen Calculator
Free modified bitumen calculator. Estimate rolls and installation materials.
Open calculatorPVC Roof Calculator
Free PVC roof calculator. Estimate membrane, fasteners, and accessories.
Open calculatorRoof Type Calculators
All roof type calculators calculators for your roofing project.
10 calculators
Gable Roof Calculator
Free gable roof calculator. Estimate shingles, lumber, and cost for gable roofs.
Open calculatorHip Roof Calculator
Free hip roof calculator. Estimate shingles, ridge cap, and hip materials.
Open calculatorMansard Roof Calculator
Free mansard roof calculator. Estimate materials for both steep and flat sections.
Open calculatorGambrel Roof Calculator
Free gambrel roof calculator. Estimate materials for both upper and lower slopes.
Open calculatorShed Roof Calculator
Free shed roof calculator. Estimate shingles and materials for a mono-pitch roof.
Open calculatorFlat Roof Calculator
Free flat roof calculator. Estimate membrane, insulation, and materials for flat roofs.
Open calculatorDutch Gable Roof Calculator
Free Dutch gable calculator. A hybrid of hip and gable roof material estimation.
Open calculatorDormer Roof Calculator
Free dormer roof calculator. Estimate additional materials for shed and gable dormers.
Open calculatorA-Frame Roof Calculator
Free A-frame roof calculator. Estimate materials for steep A-frame structures.
Open calculatorLean-To Roof Calculator
Free lean-to roof calculator. Estimate materials for a single-slope attached roof.
Open calculatorStructural
All structural calculators for your roofing project.
7 calculators
Roof Truss Calculator
Free roof truss calculator. Estimate truss count, spacing, and dimensions.
Open calculatorRafter Calculator
Free rafter calculator. Determine rafter length, count, and lumber requirements.
Open calculatorRafter Span Calculator
Free rafter span calculator. Find maximum spans based on lumber size and load.
Open calculatorRoof Load Calculator
Free roof load calculator. Determine dead load, live load, and total load.
Open calculatorSnow Load Calculator
Free snow load calculator. Estimate snow load based on ground snow load and pitch.
Open calculatorWind Load Calculator
Free wind load calculator. Estimate wind pressure based on speed and exposure.
Open calculatorRoof Joist Calculator
Free roof joist calculator. Determine joist size, spacing, and count.
Open calculatorInsurance & Damage
All insurance & damage calculators for your roofing project.
5 calculators
Roof Insurance Claim Calculator
Free roof insurance claim calculator. Estimate claim value after deductible.
Open calculatorHail Damage Calculator
Free hail damage calculator. Estimate repair costs by damage severity.
Open calculatorStorm Damage Calculator
Free storm damage calculator. Estimate wind and storm repair costs.
Open calculatorWind Damage Calculator
Free wind damage calculator. Estimate costs for wind-damaged roofing.
Open calculatorRoof Depreciation Calculator
Free roof depreciation calculator. Estimate current roof value based on age and lifespan.
Open calculatorSolar & Energy
Plan solar panel installations and calculate energy savings on your roof.
5 calculators
Solar Roof Calculator
Free solar roof calculator. Estimate how many solar panels fit on your roof.
Open calculatorRoof Insulation Calculator
Free roof insulation calculator. Determine R-value and insulation thickness needed.
Open calculatorAttic Insulation Calculator
Free attic insulation calculator. Estimate insulation depth and cost by type.
Open calculatorRoof Energy Savings Calculator
Free roof energy savings calculator. Estimate annual savings from better insulation and reflective roofing.
Open calculatorSolar Panel Weight Calculator
Free solar panel weight calculator. Ensure your roof can support solar panels.
Open calculatorNeed a Cost Estimate for Your State?
Get localized roof replacement costs with labor rates, permits, and material pricing for all 50 states.
View Cost by State