Image resize calculator
Calculate proportional image dimensions while locking aspect ratio. Scale photos and digital assets without visual distortion.
Original image sizePixels
px
px
Target dimensions (locks aspect ratio)50% of original
px
px
960 × 540 pxScale ratio: 0.50x
Proportional image scaling
Quick percentage scales
How it works
1
Input source dimensions
Enter the original width and height of your image or graphics asset.
2
Set new target size
Type either a new target width, height, or select a quick scale percentage.
3
Exact proportional output
The matching dimension calculates automatically with integer rounding.
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Calculate and convert aspect ratios for images and videos.
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