Aspect Ratio Calculator

Calculate aspect ratios, lock proportions, resize dimensions, and find the perfect resolution for screens, video, and social media.

Calculate Ratio

Lock ratio — enter one dimension to calculate the other

Width (px)

Height (px)

Aspect Ratio

16:9

Decimal

1.778

Pixels

2,073,600

Visual Preview

16:9

Common Ratio Presets

Resize Calculator

Enter current dimensions and a target width or height to calculate the other dimension while maintaining the aspect ratio.

Current Width

Current Height

↓ resize to ↓

Target Width

Target Height

Common Screen & Video Resolutions

Name	Resolution	Ratio	Megapixels	Use

Social Media Image Sizes