Aspect Ratio Calculator

Select what to calculate:

Find Missing Value (resizing)

Calculate Aspect Ratio

Calculate Width or Height

Enter Width 1 and Height 1, along with either Width 2 or Height 2, to calculate the missing value while maintaining the same aspect ratio.

Common examples

Width 1: Height 1:

What to calculate:

Width: Height:

Result:

Actual aspect ratio	1.78
Common aspect ratio	16:9

Width:

Height:

Result:

Actual aspect ratio
Common aspect ratio

What to calculate:

Aspect ratio:

Height:

Width:

Result:

Calculated Width
Calculated Height

How to use this calculator?

This calculator provides three functionalities to help you work with aspect ratios:

Find Missing Value (Resizing): Enter the width and height of the original dimensions, along with either the new width or height, to calculate the missing value while maintaining the same aspect ratio.
Calculate Aspect Ratio: Input the width and height of an object to determine its actual aspect ratio and the closest common aspect ratio.
Calculate Width or Height: Provide an aspect ratio and either the width or height to calculate the missing dimension.

Select the desired calculation method using the buttons above and fill in the required fields to get your results.