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Aspect Ratio Calculator — Find, Convert & Resize

Technical reference documents covering the formulas, methodology, and data behind Aspect Ratio Calculator — Find, Convert & Resize. Use these to understand exactly how calculations are performed.

Aspect Ratio Glossary: GCD, DAR, PAR & Ratio Notation

Definitions for greatest common divisor, display aspect ratio, pixel aspect ratio, letterboxing, and other terms used when calculating aspect ratios.

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