Image Resize Calculator
The Image Resize Calculator computes the resulting pixel dimensions and megapixel count from an original size and a scale percentage — useful for previewing a resize before actually shrinking an image.
How to use
- 1Enter the original width and height.
- 2Adjust the scale percentage with the slider or by typing.
- 3See the new pixel size and megapixel count.
Why FREE PDF?
- Completely free
- No account required
- Processing happens in your browser whenever possible
- Your files stay yours
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Frequently Asked Questions
Does this tool actually shrink an image?
No, it only calculates the resulting size. To actually resize an image, use the resize tool in the Image Tools section.