Free Online Aspect Ratio Calculator

Calculate aspect ratios, resize images and videos, find optimal dimensions, and convert between different aspect ratio formats with our comprehensive aspect ratio calculator. Perfect for photographers, videographers, web designers, and content creators. Features dimension calculation, ratio conversion, crop suggestions, resolution optimization, and multi-format support for all your creative projects and technical specifications.

๐Ÿ“ Calculator Type

๐Ÿ“ Basic Aspect Ratio Calculator

Real-time Calculation
px
Enter the width dimension
px
Enter the height dimension
Select measurement unit
Aspect Ratio
16:9
simplified ratio
Decimal Ratio
1.78
width รท height
Percentage
177.8%
width as % of height
Common Name
Full HD
standard format

Visual Preview

1920 ร— 1080

๐Ÿ“‹ Common Aspect Ratios

16:9
Widescreen, HDTV
1920ร—1080, 1280ร—720
4:3
Standard TV, Monitor
1024ร—768, 800ร—600
1:1
Square, Instagram
1080ร—1080, 512ร—512
3:2
Photography, 35mm
3000ร—2000, 1500ร—1000
21:9
Ultrawide, Cinema
2560ร—1080, 3440ร—1440
9:16
Vertical, Stories
1080ร—1920, 720ร—1280

โšก Quick Presets

Video Formats

Social Media

Print Formats