All Design Tools

35+ professional calculators for interior designers and homeowners

📐
Space Planning

Room Area Calculator

Calculate room area, perimeter, and paintable surface area in seconds.

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🎨
Paint

Paint Calculator

Know exactly how much paint you need before you buy.

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🪵
Flooring

Flooring Cost Calculator

Estimate flooring materials and costs for hardwood, laminate, tile, and more.

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💡
Lighting

Lighting Layout Planner

Calculate optimal light fixture placement and wattage for any room.

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🛋️
Furniture

Furniture Spacing Guide

Calculate ideal clearance distances for furniture in living and dining areas.

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🏗️
Materials

Drywall Calculator

Estimate drywall sheets, joint compound, and tape needed for your project.

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🔲
Flooring

Tile Calculator

Calculate tiles needed for floors, walls, and bathrooms with waste factor.

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🪟
Window

Window Treatment Calculator

Find the right curtain rod length and curtain panel width for any window.

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🎠
Trim

Crown Molding Calculator

Estimate crown molding length and corner angle cuts for any room.

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🔌
Electrical

Electrical Outlet Planner

Calculate outlet spacing and circuit load for room rewiring.

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🌡️
HVAC

HVAC Load Calculator

Estimate heating and cooling BTU requirements for any room.

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🎨
Color

Color Scheme Generator

Create harmonious room color palettes based on color theory.

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💰
Budget

Furniture Budget Planner

Estimate furniture costs based on room size and quality level.

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🟫
Furniture

Rug Size Calculator

Find the right rug size for your living room, dining room, or bedroom.

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🗄️
Cabinetry

Cabinet Material Calculator

Calculate cabinet material needs for kitchen and bathroom vanities.

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🔋
HVAC

Insulation R-Value Guide

Determine appropriate insulation R-value for your climate zone.

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🧱
Wallcoverings

Wallpaper Calculator

Calculate wallpaper rolls needed with pattern repeat allowance.

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🏡
Exterior

Fence Material Calculator

Estimate fence boards, posts, and concrete needed for any linear footage.

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🪵
Exterior

Deck Material Calculator

Calculate deck boards, joists, and hardware for any deck size.

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📋
Wallcoverings

Bead Board Calculator

Calculate bead board panels needed for ceilings and walls.

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📐
Space Planning

Space Optimization Planner

Optimize furniture layout for maximum floor space and traffic flow.

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Design

Interior Style Quiz

Discover your interior design style to guide material and furniture choices.

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💡
Lighting

Lighting Wattage Guide

Calculate appropriate wattage for ambient, task, and accent lighting.

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🚪
Space Planning

Door Swing Planner

Plan door swing arcs and clearance for furniture placement.

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🪨
Countertops

Countertop Cost Estimator

Estimate countertop material, labor, and edge profile costs.

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🗂️
Storage

Closet Organization Planner

Calculate shelf spacing, rod height, and drawer placement for closets.

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📏
Trim

Baseboard Calculator

Estimate baseboard length, cope cuts, and corner pieces for any room.

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🚗
Exterior

Garage Size Planner

Determine the right garage dimensions for your vehicles and storage needs.

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🏗️
Construction

Stair Calculator

Calculate rise, run, and number of steps for code-compliant stairs.

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📐
Design

Room Proportion Analyzer

Check if your room dimensions follow golden ratio and design proportion guidelines.

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