Design & Graphics
Design calculators created by visual professionals and UX experts. Our graphics tools help designers, artists, and content creators with color theory, layout planning, and visual calculations for professional-quality design work.
Design & Graphics
Baluster Spacing Calculator - Deck & Stair Railing Tool
Calculate the number of balusters and the actual clear gap for deck, stair, and porch railings, based on the 4-inch maximum opening in the IRC building code.
Board and Batten Calculator - Free Material Estimator Tool
Calculates the boards, battens, linear feet, and square footage needed for a board and batten wall from its width, height, and board and batten sizes.
Color Palette Generator - Create Harmonious Color Schemes
A tool that generates complementary, analogous, triadic, and monochromatic color palettes from a chosen primary color using HSL hue and lightness formulas.
Color Picker: RGB, Hex, CMYK, HSV Converter
Convert colors between RGB, hex, CMYK, and HSV formats. Pick a color from the spectrum or enter exact values, then copy the code in any format you need.
Door Header Size Calculator | IRC Span Chart
Free door header size calculator using IRC span tables. Enter door width and load-bearing status for the correct header size, from a 2x4 to a triple 2x12.
Free QR Code Generator - Create Scannable QR Codes
Turn text or a URL into a scannable QR code free online. The tool follows the ISO/IEC 18004 QR code standard and lets you download the result as a PNG image.
Garmin Watch Face Designer - Custom Watch Faces for Free
Create custom Garmin watch faces online for free. Design digital watch faces for Fenix, Forerunner & Venu with drag-and-drop interface. No coding required.
Shiplap Calculator - Wall & Ceiling Material Estimator
Calculate how much shiplap you need for a wall or ceiling. Enter length and width in feet or meters to get the area and a 10% waste allowance included.
Wainscoting Calculator: Wall Paneling Square Footage
Wainscoting calculator that finds wall paneling square footage from wall length and height, with a worked example, formula, and frequently asked questions.
Wallpaper Calculator: How Many Rolls Do You Need?
Wallpaper calculator that works out how many rolls a room needs from its length, width, and height, minus window and door area, using standard roll coverage.