Image Aspect Ratio Calculator
Calculate image aspect ratios (16:9, 4:3, 1:1, 9:16) and compute proportional dimensions without distortion.
Inspect Image or Enter Custom Dimensions
Upload an image to auto-detect its ratio, or type pixel numbers below.
Proportional Dimension Rescaler
Change either dimension to see what the proportional counterpart must be to maintain the exact ratio.
How to Use Image Aspect Ratio Calculator
Input Dimensions
Upload an image or enter width and height values.
View Ratio
See simplified ratio (e.g. 16:9) and decimal ratio.
Rescale
Type new desired width or height to get proportional counterpart.
Key Features
Frequently Asked Questions
Everything you need to know about this tool and data privacy.
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