Interior Design
Interior design calculators for room layout, rug sizing, curtain fabric, wallpaper repeats, lighting layers, color ratios, and upholstery yardage.
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Room Layout Calculator
Plan furniture placement and traffic flow by calculating walkable area, coverage percentages, and maximum furniture capacity for any room.
Rug Size Calculator
Find the right rug dimensions for your room based on size, furniture arrangement, and room type. Snaps to standard rug sizes.
Curtain Calculator
Calculate fabric yardage, panel dimensions, and rod width for custom curtains and window treatments.
Wallpaper Repeat Calculator
Calculate the number of wallpaper rolls needed, accounting for pattern repeat waste, ceiling height, and room perimeter.
Lighting Layering Calculator
Calculate ambient, task, and accent lighting needs for any room. Get total lumens, fixture count, and LED wattage based on room type and size.
Color Ratio Calculator
Apply the 60-30-10 color rule to your room. Calculate ideal dominant, secondary, and accent color areas based on your surfaces.
Ceiling Height Proportion Calculator
Get proportionally correct crown molding, artwork, furniture, and curtain rod heights based on your ceiling height and room dimensions.
Upholstery Fabric Calculator
Calculate fabric yardage for reupholstering sofas, chairs, loveseats, dining chairs, and ottomans. Accounts for pattern repeat and fabric width.
Shelving Load Calculator
Calculate maximum safe weight for shelves by material, thickness, span, and bracket spacing. Includes deflection estimate.
Accent Wall Calculator
Calculate materials, cost, and labor for an accent wall in paint, tile, wood panel, wallpaper, or stone veneer.