Screen Size is a handy tool for UI designers or engineers. Enter screen size in pixel and diagonal in inch, and then you will get screen size in inch/cm, resolution in ppi, and common aspect ratios such as 16:9 (full version only). Common screen sizes are included. Free version: > No common aspect ratios supported. > With ads. Full version: > Show common aspect ratios if matched. > No ads, no distractions.