other / Free Online Tool

Screen Size Calibrator.

Determine exact physical screen dimensions, aspect ratios, and PPI/DPI using calibration slides, direct diagonals, or automated device recognition.

Input Parameters

Auto-Detect Device Specs.

Reads system metadata to estimate physical dimensions. Precision depends on display drivers.

Resolution-

Pixel Ratio-

Color Depth-

Estimated Size-

Comments & Feedback.

Documentation

User manual & function guide.

Detailed manual explaining every function, input parameter, and operational example for the Screen Size Calibrator.

Resolution & Pixel Ratio

Function

Screen width/height in px and device pixel ratio.

Example Operation 1920 × 1080 px @ 15.6"

PPI & Physical Dimensions

Function

Calculates pixel density (PPI) and width/height in inches.

Example Operation 1920×1080 on 15.6" screen -> 141.21 PPI (Width: 13.60", Height: 7.65")

Frequently asked questions.

What is PPI and why does it matter?

PPI (Pixels Per Inch) measures pixel density. Higher PPI means sharper, more detailed images. Modern phones typically have 300+ PPI, while monitors range from 72-220 PPI.

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