PPIDIGITAL & TECH
PPI Calculator
Calculate screen pixel density from resolution and diagonal size.
Enter your values
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Formula
PPI = √(width² + height²) ÷ diagonal
PPI = √(width² + height²) ÷ diagonal
How it works
1
Enter the values requested.
2
Press Calculate to perform the arithmetic.
3
Review the result and supporting values.
Important notes
This tool is a focused calculation aid. Use the result as an estimate where real-world conditions can affect the final answer.