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Aspect Ratio Calculator - Image Dimensions

Free aspect ratio calculator. Calculate and convert image aspect ratios. Find dimensions for different aspect ratios while maintaining proportions.

Aspect Ratio Calculator

Calculate image aspect ratios

Image width

Image height

Aspect Ratio

Enter your values to see results

and click the "Calculate" button

Aspect Ratio Calculator

Calculate and convert image aspect ratios. Essential for cropping photos for different platforms and print sizes.

Common Ratios

16:9 video | 4:3 classic | 3:2 DSLR | 1:1 square | 9:16 stories

Aspect ratio = width:height simplified. 1920×1080 = 16:9. Different platforms require different ratios.

Frequently Asked Questions

What ratio should I use?
Instagram: 1:1 (square), 4:5 (portrait). YouTube: 16:9. Stories/TikTok: 9:16. Print: 3:2 or 4:3.
Why does aspect ratio matter?
Wrong ratio = cropped content or black bars. Match your output platform to avoid unwanted cropping of important subjects.

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