Design-related calculations and converters
Calculate aspect ratios for images and screens
Calculate golden ratio proportions and measurements
Calculate dots per inch and pixels per inch
Check color contrast ratios for accessibility
Convert between px, em, rem, and percentage units
Estimate file sizes for different image formats
Calculate responsive design breakpoints
Calculate volume and surface area of 3D boxes
Convert between degrees, radians, and gradians
Convert between pt, px, and other font size units
Convert pixels to EM units for web design
