Wall Decor Tools & Calculators
Free, practical tools for accent walls, wallpaper, gallery walls, and paneling — measure once, buy the right amount, and hang it straight.
Paint Coverage Calculator
Work out exactly how many gallons and quarts of paint you need for a wall or accent wall — dimensions, doors and windows, coats, and spread rate all factored in
Wallpaper Roll Calculator
Get an accurate roll count using the strip-based method professional installers use, including a pattern-repeat allowance so seams line up
Gallery Wall Spacing Calculator
Plan an even, centered grid of frames — enter your wall and frame sizes and get the margins plus the exact position of every frame
Accent Wall Proportion Calculator
See what share of a room's total wall area your chosen accent wall represents, checked against the common 20-35% balance guideline
Panel & Tile Count Calculator
Count exactly how many panels or tiles you need for shiplap, beadboard, or wainscoting, with joint gaps and a waste allowance built in
Color Contrast Checker
Check the exact contrast ratio between a wall color and its trim, art, or frames using the WCAG relative-luminance formula