# Aspect Ratio Calculator

> Calculate aspect ratios and resize dimensions.

Page: https://askcalculators.com/calculator/aspect-ratio-calculator/
Definition: https://askcalculators.com/calculator/aspect-ratio-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/aspect-ratio-calculator/schema.json
Version: 7.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/aspect-ratio-calculator/?width=1920&height=1080

## Inputs
- width: Width; type=number; optional; default=1920
- height: Height; type=number; optional; default=1080
- newWidth: New Width; type=number; optional; default=
- newHeight: New Height; type=number; optional; default=

## Outputs
- result: Result; format=text; primary

## Formula
Aspect ratio = width ÷ height; a missing dimension is solved by preserving the same ratio.

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.