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Free Tools No Sign-Up Required Updated July 2026

Free Home Improvement
Calculators

Estimate materials before you shop. Concrete, drywall, and paint — accurate results in seconds, no account required.

🧱
Concrete Calculator
Calculate cubic yards, 60-lb and 80-lb bag counts, and estimated material cost for slabs, footings, and columns. Supports multiple project types in one session.
📐 Slabs · Footings · Columns 💰 Cost estimate included
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🪟
Drywall Calculator
Calculate drywall sheets, screws, joint compound, and waste factor for any room. Enter multiple walls, doors, and windows — handles the deductions automatically.
🚪 Door & window deductions 📦 4×8 and 4×12 sheet options
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🎨
Paint Coverage Calculator
Calculate gallons, quarts, number of coats, and cost estimate — adjusted for surface type and coverage rate. Supports multiple walls and trim areas.
🖌 Surface type adjustment 💰 Cost estimate included
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📋
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The Homeowner's Maintenance Checklist
9-page PDF — maintenance schedule, septic system guide, warning signs, and what to ask a contractor before signing anything.
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RECOMMENDED TOOLS & SUPPLIES — AMAZON
Concrete Work Concrete Mixing Paddle Drill-mounted mixing paddle for consistent, lump-free concrete — faster and less fatiguing than manual mixing. View on Amazon → Drywall Work All-Purpose Joint Compound Pre-mixed compound for taping, topping, and finishing drywall seams — the standard choice for most residential projects. View on Amazon → Painting Paint Roller Frame + Cover Set Complete roller kit with frame and covers — right nap and size for walls and ceilings on standard interior projects. View on Amazon → Floor Protection Canvas Drop Cloth Heavy canvas drop cloth — absorbs spills and is reusable. Works for both painting and drywall finishing projects. View on Amazon →

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