Image Aspect Ratio Calculator

Calculate aspect ratio from image dimensions or find new dimensions while maintaining the same ratio.

Calculate Aspect Ratio

Enter image dimensions to calculate ratio

Width (px)

Height (px)

Calculate height for width (optional)

16:9

HD Video, Widescreen

1920×1080, 3840×2160

4:3

Standard, Classic TV

1024×768, 1600×1200

1:1

Square, Instagram

1080×1080, 2048×2048

3:2

Classic Photo

3000×2000, 4500×3000

21:9

Ultrawide, Cinematic

2560×1080, 3440×1440

9:16

Vertical Video, Stories

1080×1920, 1440×2560

Compress videos, photos & audio. HEVC, WebP, AVIF, FLAC support.

$49 one-time

Compress photos & videos directly on iOS and Android.

$4.99 one-time