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Calcimator

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.

simple

Rug Size Calculator

Find the right rug dimensions for your room based on size, furniture arrangement, and room type. Snaps to standard rug sizes.

simple

Curtain Calculator

Calculate fabric yardage, panel dimensions, and rod width for custom curtains and window treatments.

simple

Wallpaper Repeat Calculator

Calculate the number of wallpaper rolls needed, accounting for pattern repeat waste, ceiling height, and room perimeter.

simple

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.

simple

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.

simple

Ceiling Height Proportion Calculator

Get proportionally correct crown molding, artwork, furniture, and curtain rod heights based on your ceiling height and room dimensions.

simple

Upholstery Fabric Calculator

Calculate fabric yardage for reupholstering sofas, chairs, loveseats, dining chairs, and ottomans. Accounts for pattern repeat and fabric width.

simple

Shelving Load Calculator

Calculate maximum safe weight for shelves by material, thickness, span, and bracket spacing. Includes deflection estimate.

simple

Accent Wall Calculator

Calculate materials, cost, and labor for an accent wall in paint, tile, wood panel, wallpaper, or stone veneer.

simple

Coming Soon

closet organization calculator
home library calculator
meditation space design
pantry organization
walk in closet design