Resize Image in Inches
Size any image in inches, worked out at 300 DPI. The rule is simple to remember — every inch is 300 px at 300 DPI — so feed those pixel numbers straight into the resizer.
Open Resize Image in Inches →DPI reference — how inches map to pixels
Because screens and files count in pixels, an inch measurement is only precise once a DPI is chosen. The common settings are laid out below.
| DPI | Best for | 1 inch | 1 cm | 1 mm |
|---|---|---|---|---|
| 72 DPI | Web / on-screen display | 72 px | ≈ 28 px | ≈ 2.8 px |
| 150 DPI | Minimum print quality | 150 px | ≈ 59 px | ≈ 5.9 px |
| 300 DPI | Standard print (ID cards, photos) | 300 px | ≈ 118 px | ≈ 11.8 px |
| 600 DPI | High-quality print / scanning | 600 px | ≈ 236 px | ≈ 23.6 px |
Worked at 300 DPI: 1 inch = 300 px · 1 cm ≈ 118 px · 1 mm ≈ 11.8 px. The preset here opens at 600×600 px, exports JPG, and targets 0–500 KB.
How to resize an image in inches — step by step
About resizing images in inches
Give it a size in inches and it does the resizing at 300 DPI. The maths could not be simpler — 1 inch equals 300 px at 300 DPI — so enter the matching pixels and go. It fits neatly around jobs like uploading paperwork for an exam form, prepping a photo for the printer, or lining an image up with one exact measurement on a project, and it all wraps up in your browser in moments.
No install, no upload; the image never departs your device.