Aspect Ratio Calculator

Aspect Ratio is evaluated from Width and Height. The calculation reports Ratio Width, Ratio Height and Aspect Ratio.

Results

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About the Aspect Ratio Calculator

Aspect Ratio is treated here as a quantitative relation between Width and Height and Ratio Width, Ratio Height, Aspect Ratio and Decimal Ratio.

The calculator uses a multi formula configuration. Each reported value is read as a direct evaluation of the stored rules with the declared field formats and units.

Formula basis:
Decimal ratio = W / H

Interpret the outputs in the order shown by the result fields. Optional inputs affect only the outputs that depend on those variables.

Formula & How It Works

The calculation applies the following relations exactly as recorded in the metadata:

Decimal ratio = W / H

Each output field is produced by substituting the supplied inputs into the relevant relation and then applying the declared rounding or text format.

Worked Examples

Example 1: Full HD 1920×1080 monitor

Inputs

width: 1920 height: 1080
Ratio Width: 16. Ratio Height: 9. Aspect Ratio: 16:9. Decimal Ratio: 1.7778. Ratio Percentage: 177.78%

With Width = 1,920 and Height = 1,080 as the stated inputs, the result is Ratio Width = 16, Ratio Height = 9 and Aspect Ratio = 16:9. Each value corresponds to the declared output fields.

Example 2: Instagram square post: 1080×1080

Inputs

width: 1080 height: 1080
Ratio Width: 1. Ratio Height: 1. Aspect Ratio: 1:1. Decimal Ratio: 1. Ratio Percentage: 100%

With Width = 1,080 and Height = 1,080 as the stated inputs, the result is Ratio Width = 1, Ratio Height = 1 and Aspect Ratio = 1:1. Each value corresponds to the declared output fields.

Example 3: 4K Ultra HD resolution: 3840×2160

Inputs

width: 3840 height: 2160
Ratio Width: 16. Ratio Height: 9. Aspect Ratio: 16:9. Decimal Ratio: 1.7778. Ratio Percentage: 177.78%

With Width = 3,840 and Height = 2,160 as the stated inputs, the result is Ratio Width = 16, Ratio Height = 9 and Aspect Ratio = 16:9. Each value corresponds to the declared output fields.

Example 4: TikTok vertical video: 1080×1920

Inputs

width: 1080 height: 1920
Ratio Width: 9. Ratio Height: 16. Aspect Ratio: 9:16. Decimal Ratio: 0.5625. Ratio Percentage: 56.25%

With Width = 1,080 and Height = 1,920 as the stated inputs, the result is Ratio Width = 9, Ratio Height = 16 and Aspect Ratio = 9:16. Each value corresponds to the declared output fields.

Common Use Cases

  • Find height given width and aspect ratio
  • Calculate aspect ratio of an image
  • Convert between different aspect ratios for video