Image Ratio & Aspect Ratio Calculator

Upload images or calculate aspect ratio from dimensions manually

Free tool for image analysis, aspect ratio calculation, and platform compliance checking

Instant Results
10+ Platforms
Batch Processing
CSV Export

📸 Batch Image Analysis

Upload multiple images to instantly analyze their dimensions, aspect ratios, and platform compatibility.

Batch processing up to 100 images
Smart ratio suggestions
CSV/JSON export for reports

Common Aspect Ratios Comparison

Understand which aspect ratio works best for your project

📺
Most Popular
16:9
Widescreen
16:9
Description
The international standard for HDTV and modern displays. Perfect for video content, streaming platforms, and widescreen presentations.
Decimal Ratio
1.78:1
Best For
YouTube videosModern TVs+2 more
🖥️
Classic
4:3
Standard
4:3
Description
The classic TV and computer monitor format before widescreen. Still used for vintage content, iPad displays, and retro aesthetics.
Decimal Ratio
1.33:1
Best For
Old TV formatClassic photography+2 more
Social Media
1:1
Square
1:1
Description
Perfect for social media posts, especially Instagram. Equal width and height makes it ideal for centered compositions and product photography.
Decimal Ratio
1.00:1
Best For
Instagram postsProfile pictures+2 more
📱
Trending
9:16
Vertical Video
9:16
Description
The dominant format for mobile-first video content. Designed for vertical viewing on smartphones for TikTok, Instagram Stories, and Reels.
Decimal Ratio
0.56:1
Best For
TikTokInstagram Stories/Reels+2 more
📷
Professional
3:2
Photography
3:2
Description
The traditional 35mm film format used by most DSLR cameras. Industry standard for professional photography and print work.
Decimal Ratio
1.50:1
Best For
DSLR cameras35mm film+2 more
🎬
Premium
21:9
Ultra-wide
21:9
Description
The cinematic widescreen format for movies and ultra-wide displays. Provides immersive viewing experience for films and gaming.
Decimal Ratio
2.39:1
Best For
Cinema filmsUltra-wide monitors+2 more
RatioShapePrimary UseWhen to Use
16:9Wide (1.78:1)Video, WebModern video content, presentations, web headers
4:3Standard (1.33:1)Classic, RetroOld TV shows, vintage aesthetic, square-ish compositions
1:1Square (1:1)Social MediaInstagram posts, profile pictures, product photography
9:16Vertical (0.56:1)Mobile VideoTikTok, Stories, Reels, mobile-first vertical content
3:2Photo (1.5:1)PhotographyDSLR cameras, professional photography, print work
21:9Ultra-wide (2.39:1)CinemaMovies, ultra-wide displays, immersive gaming
💡

Quick Selection Guide

  • Video editing? Use 16:9 for YouTube/Vimeo
  • Social media? Use 1:1 for feeds, 9:16 for stories
  • Professional photos? Stick with 3:2 from your camera
  • Cinema look? Go ultra-wide with 21:9
⚠️

Common Mistakes to Avoid

  • • Don't use 4:3 for modern video (looks outdated)
  • • Don't use 16:9 for Instagram posts (gets cropped)
  • • Don't stretch images to change ratio (causes distortion)
  • • Don't use 21:9 for portraits (too wide)

How to Use Image Ratio Calculator

1

Upload Your Images

Drag and drop your images into the upload zone, or click to select files from your computer. You can upload up to 100 images at once for batch processing.

2

Instant Analysis

Our tool automatically analyzes each image and extracts key information including width, height, aspect ratio, file size, and format. Results appear within seconds.

3

Check Platform Compliance

See which social media platforms your images are optimized for. We check compliance with Instagram, YouTube, Facebook, TikTok, Twitter, and more.

4

Export Your Results

Download your analysis results as CSV for spreadsheets or JSON for technical use. Perfect for batch processing and documentation.

💡 Pro Tip: Use batch processing to analyze multiple product images at once for e-commerce or analyze your entire photo library to find images that need resizing.

Frequently Asked Questions

Still have questions? Feel free to reach out to us at support@imagescalculator.com

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