Aspect Ratio Calculator

Professional Dimension Calculator for Perfect Image & Video Proportions

Maintain perfect proportions with our precise Aspect Ratio Calculator. Resize images and videos while preserving their original dimensions and quality. Perfect for designers, photographers, video editors, and content creators working across multiple platforms and display formats.

🎯 Pixel Perfect

Calculate exact dimensions while maintaining proportions

🖼️ Multi-Format

Support for all common image and video aspect ratios

📱 Cross-Platform

Optimize content for web, social media, and print

⚡ Real-Time

Instant calculations with live dimension updates

Maintain perfect proportions in all your visual content with our precise aspect ratio calculator. This professional tool helps you resize images while preserving their original proportions, ensuring your graphics look perfect across different platforms and devices.

Whether you're resizing images for web design, preparing content for different social media platforms, or working with video formats, our calculator helps maintain visual integrity and professional quality in your work.

Original Dimensions

Width: px

Height: px

Ratio: 16:9 (1.78:1)

New Dimensions

Width: px

Height: px

Lock Aspect Ratio

Common Ratios

Visual Preview

Original

1920 × 1080

New

0 × 0

How to Use This Calculator

Enter Original Dimensions

Input the original width and height of your image or video.

Define New Size

Enter either a new width or height - the other dimension will be calculated automatically if "Lock Aspect Ratio" is checked.

Try Standard Formats

Click on the predefined formats to quickly apply common aspect ratios to your content.

View the Preview

Use the visual preview to see how your resized image will look compared to the original.

Common Aspect Ratios

16:9 (1.78:1)

Standard widescreen format for modern displays and videos

4:3 (1.33:1)

Traditional TV and computer monitor format

1:1 (1:1)

Square format, ideal for social media profiles

21:9 (2.33:1)

Ultra-widescreen/cinematic format

3:2 (1.5:1)

Common DSLR photo aspect ratio

5:4 (1.25:1)

Traditional printed photo format

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