Tools library

Free Interior Design Tools & Calculators

Everything you need to plan a room: spacing, budgets, color palettes, and staging ROI.

Who these are for

  • • Homeowners planning a refresh.
  • • Designers building room layouts fast.
  • • Realtors staging listings for sale.
Each tool is free to use and pairs with AI Room Styler.

Showing 11 tools.

Interior Design Style Quiz

Discover your interior design style in 8 questions, from Japandi to Mid-Century Modern, then see it on your own room.

Style
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Paint Calculator

Calculate how much paint you need for any room with cost estimates.

Budgeting
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Furniture Spacing Calculator

Check furniture spacing and fit: will a sofa, bed, or table fit, with the right clearances and walkways, before you move anything.

Layout
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Sofa Fit Calculator

See if a sofa will fit through a doorway, with the exact angle to tilt it through.

Layout
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Rug Size Calculator

Get the right area rug size for a living room, bedroom, or dining room from your room dimensions.

Layout
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Dining Table Size Calculator

Find the right dining table size for your seats and your room, with the clearance you need to pull out every chair.

Layout
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Coffee Table Size Calculator

Get the right coffee table size for your sofa, with the height, length, and spacing that actually work in a living room.

Layout
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Art Hanging Height Calculator

Find the exact height to hang art and pictures using the gallery 57 inch rule, including over a sofa or console.

Styling
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Interior Design Cost Calculator

Estimate interior design cost and designer fees by room, then compare an AI alternative.

Budgeting
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Color Palette Generator

Build coordinated palettes and test color direction fast.

Color
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Virtual Staging ROI Calculator

Estimate staging cost, price lift, and days-on-market savings.

Real Estate
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Continue with ideas and playbooks

After using a tool, explore room-specific ideas and execution plans.