Aspect Ratio Calculator

Calculate aspect ratios and resize dimensions.

Find Aspect Ratio

Aspect Ratio

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About Aspect Ratio

The aspect ratio of an image describes the proportional relationship between its width and its height. It is commonly expressed as two numbers separated by a colon, as in 16:9.

Common Ratios

  • 16:9 - Standard widescreen (YouTube, TV)
  • 4:3 - Traditional TV / Monitor
  • 1:1 - Square (Instagram)
  • 9:16 - Vertical Video (TikTok, Stories)

Frequently Asked Questions

What is an Aspect Ratio?

Aspect ratio is the proportional relationship between the width and height of an image or screen. It is usually expressed as two numbers separated by a colon, like 16:9.

How do I resize an image without distortion?

To resize without distortion (stretching), you must maintain the original aspect ratio. Our "Calculate New Dimensions" tool does this for you automatically—just enter one new dimension, and we'll calculate the other.

What is the aspect ratio of 1920x1080?

The aspect ratio of 1920x1080 is 16:9. This is the standard ratio for HD television and most online video platforms.

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