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Aspect Ratio Calculator

Aspect Ratio is the ratio of the width against the height of a rectangle.

This is expressed as either the simplest values (e.g. 4:3) or as the width value against 1 (e.g. 1.33:1)

Television and computer screens are also described by the diagonal size of the screen

This calculator includes all these dimensions.

Calculations can be saved to a table by clicking the "Add to table" button>

(The table appears the first time the button is clicked)

Aspect Ratio

Aspect Ratio Calculator: This image shows examples of aspect ratio with associated calculations used by the Aspect Ratio Calculator

Aspect Ratio (w:h format) Aspect Ratio of width against height
Aspect Ratio (n:1 format) Aspect Ratio as a number against 1
Width Width of the rectangle
Height Height of the rectangle
Diagonal Distance from top of one end to the bottom of the opposite end of the rectangle

You can refine the calculations by controlling the number of decimal places that the calculator calculates to. The default is 2 decimal places.

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