How this calculator works
Choose a local image to read its original pixel dimensions. The file stays in browser memory; the calculator does not upload, store, or transmit it.
print size in inches = image pixels รท target PPI
Frequently asked questions
Is my image uploaded?
No. FileReader reads the image locally in your browser and no network request is made.
What files are accepted?
JPG, PNG, WebP, AVIF, and GIF files up to 25 MB are accepted. SVG is blocked intentionally.
What size can I print at 300 PPI?
Upload the image and the calculator will use its exact width and height to show the maximum size.