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Aspect Ratio Calculator

Determine aspect ratios from dimensions, calculate missing widths/heights, and explore industry presets.

Bi-directional ratio solver: enter W & H to get ratio, or lock ratio to calculate missing dimensionCommon media presets: 16:9 (HD/4K), 4:3 (SD), 1:1 (Square), 9:16 (Stories/Reels), 21:9 (Ultrawide)Greatest Common Divisor (GCD) simplified fraction reduction

1. Calculate Ratio from Dimensions

Enter your image or screen resolution to compute the exact ratio

Calculated Ratio
16:9
(1.78:1 decimal)

2. Solve Missing Dimension (Scaling)

Maintain the 16:9 ratio while scaling to a new width or height

Common Aspect Ratio Presets

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What is Aspect Ratio Calculator?

Determine aspect ratios from dimensions, calculate missing widths/heights, and explore industry presets. PixEnhance provides an editorial-grade, privacy-first interface designed to give creators, developers, photographers, and everyday users instant control over their digital media without registration, subscriptions, or watermarks.

Bi-directional ratio solver: enter W & H to get ratio, or lock ratio to calculate missing dimension
Common media presets: 16:9 (HD/4K), 4:3 (SD), 1:1 (Square), 9:16 (Stories/Reels), 21:9 (Ultrawide)
Greatest Common Divisor (GCD) simplified fraction reduction
Image drag-and-drop to auto-populate dimensions

How to Use Aspect Ratio Calculator

1

Enter original Width and Height to find the simplified aspect ratio.

2

Enter a target Width or Height in the solver to calculate the corresponding dimension.

3

Optionally drop an image file to auto-read its resolution.

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Supported File Formats

Directly processed via native browser canvas decoders:

Any dimensions or image file

Supports standard image files up to 50MB and 16,000 × 16,000 px resolution.

Complete Privacy Guarantee

Your photos and documents are processed with complete confidentiality. Your files stay strictly on your device, and are never stored, tracked, or shared.

100% Private • Fast • Free Forever

Frequently Asked Questions

1920x1080 simplifies to 16:9, which equals a decimal ratio of 1.78:1.

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