Aspect ratio height

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Result

Example

Example: 1920 × 1080 → 1280 × 720

Maximum 1,000,000 characters.

How to use this result

Calculate a new height from an original width and height plus a chosen new width. Use it to keep the same aspect ratio when planning image or video dimensions.

Worked example

a: 1920
b: 1080
c: 1280

Limits and edge cases

All three values must be positive finite numbers in compatible units. The result is rounded to two decimal places and may not be a whole pixel. This calculates dimensions only; it does not resize or crop an image.