Aspect Ratio Calculator

Calculates the ratio (e.g., 16:9, 21:9) from pixel dimensions, or calculates the missing dimension if the ratio is locked.
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Aspect Ratio

Features

  • Identify the aspect ratio (e.g., 16:9, 4:3) of any image or screen resolution.
  • Calculate missing dimensions (Width or Height) to fit a specific aspect ratio.
  • Supports custom and standard aspect ratios.

How to Use

  1. Select "Find Aspect Ratio" to determine the ratio of an existing resolution.
  2. Select "Calculate Dimensions" to resize something while maintaining a locked aspect ratio.
  3. Enter the known values, and the result will update instantly.