Free Roofing Calculators: 21 Tools With Real MN Pricing
5min Read
Posted 8.25.2026
Twenty-one free tools built on real Twin Cities pricing and Minnesota building code — the same math our estimators use. No email required, no gimmicks. Find your calculator, get your number, and when you want the exact figure, we measure for free.
Roof Pitch Calculator
Rise and run to pitch, degrees, slope %, and the multiplier that converts footprint to true roof area.
🧮MeasureRoofing Calculator
Roof area, squares, shingle bundles, underlayment rolls, and nails — the full material list in one shot.
📦MeasureShingle Bundle Calculator
How many bundles your roof needs, by pitch, waste factor, and shingle type.
🔢MeasureShingles Per Bundle
Count shingles per bundle by type, and convert bundles to coverage or roof area to bundles.
🔺MeasureRoof Truss Calculator
Truss count, peak height, and top chord length from span, pitch, and spacing.
📏MeasureRafter Length Calculator
Exact rafter length with overhang, the board size to buy, and total rise for any pitch.
🪵MeasureRoof Sheathing Calculator
4×8 sheets of OSB or plywood your deck needs, with waste and nail estimates.
🏘️MeasureSiding Calculator
Wall area, siding squares, and vinyl box count from your home’s dimensions — plus installed cost.
🧊MeasureIce & Water Shield Calculator
Membrane coverage and material cost to meet Minnesota’s eave and valley code (R905.1.2).
💰CostRoof Replacement Cost
Your full replacement range by size, pitch, material, and complexity — 2026 Twin Cities pricing.
🏗️CostMetal Roof Cost
Standing seam, metal shingles, and screw-down panels priced side by side against asphalt.
⚖️CostMetal vs. Asphalt Lifetime
Upfront cost, lifespan, and cost per year over 50 years — which roof actually wins the long game.
▪️CostFlat Roof Cost
EPDM, TPO, and PVC membrane pricing with tear-off and insulation options.
💎CostSlate & Cedar Cost
Cedar shake, synthetic slate, and natural slate — premium roofing priced honestly.
🖌️CostRoof Coating Calculator
Gallons and installed cost to coat a flat roof — and whether yours qualifies.
🌧️CostGutter Cost & Sizing
Linear feet, downspout count, 5″ vs 6″ sizing, and installed pricing with guards.
🪟CostWindow Replacement Cost
Per-window and whole-home pricing by window type, install method, and upgrades.
📊CostRoof Financing Calculator
Monthly payment, total interest, and cost per day for any project, rate, and term.
📈CostNew Roof ROI
What a new roof returns at resale — the 107% math, compared to kitchens, baths, and decks.
🌨️StormHail Damage Repair Cost
Repair vs. replacement estimates and whether the damage clears your deductible.
📋StormInsurance Claim Calculator
Build your storm claim trade by trade — roofing, siding, gutters, windows — like an adjuster scopes it.
🛡️StormHail Deductible Calculator
Your out-of-pocket under percentage deductibles — and whether filing makes sense.
❄️StormRoof Snow Load Calculator
Pounds on your roof right now vs. Minnesota design limits, by snow depth and type.
🧯StormIce Dam Removal Cost
Steam removal pricing by home size and dam severity — and what to never let anyone do.
💨AtticAttic Ventilation Calculator
The vent area (NFA) your attic needs under the 1/300 rule, split into soffit and ridge.
🧣AtticAttic Insulation Calculator
Your current R-value, the gap to R-49, and the bags of blown-in it takes to close it.
Why We Built Free Roofing Calculators
Roofing budgets fall apart in the gap between guessing and knowing. Every tool above runs on published Twin Cities pricing, Minnesota code requirements, and the same geometry professional estimators use — so the number you see is the honest neighborhood of the number you’ll hear. When you’re ready, our free estimate replaces the estimate with a measurement. Want the vocabulary behind the math? Our roofing glossary defines all 116 terms these tools use.
