📐
Screen Size Calculator
Calculate screen dimensions, PPI, aspect ratio, and viewing distance for mobile devices and displays.
Screen Specifications
Screen Terminology
PPI (Pixels Per Inch)
Measures pixel density. Higher PPI means sharper images and text.
Aspect Ratio
The ratio of width to height. Modern phones typically use 18:9 to 21:9 ratios.
Viewing Distance
The optimal distance to view a screen without seeing individual pixels.
Tip: Most modern smartphones have PPI values between 300-500, with premium devices often exceeding 400 PPI.
Screen Reference Guide
Popular Phone Screens
iPhone 15 Pro: 6.1", 1179×2556, 460 PPI
Samsung S24: 6.2", 1080×2340, 416 PPI
Pixel 8: 6.2", 1080×2400, 428 PPI
OnePlus 12: 6.82", 1440×3168, 510 PPI
PPI Categories
Low: < 200 PPI (Basic displays)
Medium: 200-300 PPI (Standard HD)
High: 300-400 PPI (Retina quality)
Very High: > 400 PPI (Premium displays)
Common Aspect Ratios
16:9: Traditional widescreen
18:9: Modern standard
19.5:9: iPhone standard
21:9: Ultra-wide cinematic