Aspect Ratio Calculator

Calculate and convert aspect ratios for images and videos.

aspect ratio

dimensions

resize

image

video

Original Dimensions

Width (px)

Height (px)

Common Ratios

16:9

Aspect Ratio

Decimal: 1.7778

Resize Dimensions

New Width (px)

New Height (px)

1920 × 1080

Common Resolutions

About this tool

Calculate aspect ratios, resize dimensions while maintaining proportions, and convert between common ratios like 16:9, 4:3, and 1:1. Essential for designers working with images, videos, and responsive layouts.