DecorPulse
30 Free Calculators
Tools for interior design, apartment renovation, and home decor — all run in your browser, no signup required.
Finishing
Paint, wallpaper, tile, flooring, and trim
Paint Calculator
Estimate paint liters and cans for walls, doors, and windows.
Wallpaper Calculator
Estimate wallpaper rolls for your room including waste for pattern repeat.
Tile Calculator
Calculate floor or wall tiles, boxes needed, and waste allowance.
Laminate Calculator
Estimate laminate or SPC flooring packs for your room.
Vinyl Plank Calculator
Estimate vinyl plank flooring packs and waste.
Carpet Calculator
Calculate carpet area and linear meters from roll width.
Skirting Calculator
Calculate baseboard/skirting linear meters and stick count.
Drywall Calculator
Estimate drywall sheets for walls and optional ceiling.
Space Planning
Room layout, furniture, rugs, and proportions
Fit Check
Check if furniture fits in your room, including rotated 90°.
Room Area Calculator
Floor area, perimeter, and room volume in one step.
Rug Size Guide
Recommended rug dimensions for living room, bedroom, or dining area.
TV Viewing Distance
Ideal sofa-to-TV distance based on screen diagonal.
Art Hanging Height
Where to place the center of a picture or mirror on the wall.
Moving Box Estimator
Estimate boxes needed based on floor area.
Windows & Textiles
Curtains, blinds, rods, and lighting
Budget & Shopping
Cost estimates and material lists
Comfort & Color
Heating, AC, contrast, and color rules
Color Contrast Checker
WCAG contrast ratio between two colors for accessible interiors.
Radiator / Heating Calculator
BTU and radiator sections from room volume.
AC Room Size Calculator
Air conditioner BTU and tonnage by room area.
60-30-10 Color Rule
Classic interior color proportion guide for walls, furniture, and accents.
Kitchen & Bath
Countertops, backsplash, wet zones, and clearances
Backsplash Tile Calculator
Kitchen backsplash tile count and area.
Countertop Calculator
L, U, or straight countertop area.
Bathroom Tile Calculator
Floor + shower walls and waterproofing membrane.
Grout & Adhesive Calculator
Estimate grout and tile adhesive in kg.
Toilet Clearance Check
Minimum front and side clearance for a toilet.