Free Roofing Tools & Calculators

Free roofing calculators and decision tools, built from real job-site experience — no email required, no sales call attached. Get your own numbers in under a minute, then read the matching guide if you want the full story.

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Roof Cost Calculator

What will a new roof cost on YOUR house? Enter size, pitch and material for a realistic 2026 price range in 30 seconds.

Calculate my cost →
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Repair or Replace? Quiz

Six questions about age, leaks and damage — and a straight verdict on whether a repair makes sense or replacement is the smarter money.

Take the quiz →
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Roofing Materials Comparison

Shingles vs metal vs tile vs slate, side by side: installed cost, lifespan, wind ratings — and the cost per year most sites never show.

Compare materials →
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Attic Ventilation Calculator

Code (IRC R806) says exactly how much ventilation your attic needs. Get the number — and how many feet of ridge and soffit vent it takes.

Check my ventilation →
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Storm Damage Checklist

Storm just passed? Check off the damage signs you can see from the ground and get a clear recommendation: monitor, inspect, or start a claim.

Assess storm damage →
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Roof Life Expectancy Calculator

How many years does your current roof realistically have left — adjusted for your material, climate, ventilation and shade?

Estimate remaining life →

Why we built these

Most roofing questions don’t have one answer — they have YOUR answer, based on your roof’s size, age, material and climate. Generic articles can’t run your numbers, and a chatbot’s one-line guess can’t either. These tools do the actual math with current 2026 pricing and building-code requirements, then point you to the in-depth guide behind each result. Every tool is free and anonymous: nothing you enter leaves your browser.

Frequently asked questions

Are these tools really free?
Yes — no email, no account, no “a specialist will call you.” They’re part of our mission to make roofing decisions less of a guessing game for homeowners.

How accurate are the estimates?
The calculators use 2026 national-average pricing and standard formulas, and they show ranges instead of fake-precise numbers. Your real quote will vary with region, access and roof condition — always confirm with 2–3 written local quotes.

Which tool should I start with?
Replacing soon? Start with the cost calculator. Roof acting up? Start with the quiz. Just had a storm? Go straight to the storm checklist.