Tools Hub

Free Mold Tools & Calculators

Useful interactive calculators and decision guides for mold problems. Each tool runs in your browser. No account, no email required, no paywall.

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Dive deeper into the areas that matter most.

Dehumidifier Size Calculator

Find the right dehumidifier size in pints for your room, basement, or crawl space. Based on the AHAM sizing chart and adjusted for the new DOE rating standard.

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Mold Remediation Quote Checker

Enter your mold remediation quote and what it includes. See the price per square foot against typical ranges, spot missing scope items, and catch the red flags before you sign.

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Water Damage Mold Clock

Enter when the water came in, what got wet, and whether it's drying. See where you are on the 24 to 72 hour mold growth timeline and what to do right now.

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Mold Inspection Cost Calculator

Free calculator: estimate your mold inspection cost by square footage, number of air or surface samples, and whether you need post-remediation clearance testing. Current 2026 pricing.

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In-depth guide: Free Mold Tools & Calculators

Prefer the full walkthrough? Read the comprehensive article below.

These tools work alongside the state mold laws guides, the post-flood mold guides, and the tenant mold rights guides to help you make a faster, better-informed decision about a specific mold problem in your home.