Free Online Calculators

Professional-grade tools for home improvement projects and real estate investment analysis. No signup required, works on all devices.

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Investment Calculator

Analyze real estate investments with comprehensive metrics. Supports rental, BRRRR, fix-and-flip, and multi-family strategies.

  • Cash flow analysis
  • Cap rate & CoC return
  • BRRRR strategy
  • IRR & equity multiple
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Paint Calculator

Calculate how much paint you need for walls, ceilings, and trim. Get purchase recommendations in gallons or liters.

  • Wall & ceiling area
  • Door/window deductions
  • Multi-room support
  • Primer calculation
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Tile Calculator

Estimate tile quantities for floors and walls. Includes waste factors for different laying patterns.

  • Multiple areas
  • Pattern-based waste
  • Box calculations
  • Cost estimation
Start Calculating

Why Use Our Calculators?

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Free Forever

No hidden fees, no premium tiers. All features available to everyone.

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No Signup

Start calculating immediately. No account creation required.

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Mobile Friendly

Works perfectly on phones, tablets, and desktops.

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Accurate Results

Industry-standard formulas used by professionals.