How to prepare a 30 × 40 mm resume photo in pixels
Understand the difference between print dimensions and online pixel requirements.
Why this order matters
A 30 × 40 mm measurement describes physical print size, not a fixed number of pixels. At 300 DPI it is about 354 × 472 pixels, but an online application’s explicit pixel requirement takes priority.
Check the destination first
If the receiving website or authority publishes its own format and size requirements, follow those instructions first. Keep the original and work on a copy.
Recommended workflow
- Separate the application’s physical size, pixel and file-size requirements.
- Crop to a 3:4 ratio and then resize to the requested pixel dimensions.
- If printing, verify DPI and physical dimensions before arranging the sheet.
Checks before saving
- A 30 × 40 mm ratio differs from a 35 × 45 mm ratio.
- Upscaling a small source does not restore missing detail.
- Check the destination’s separate rules for face position and background.
Zoom in on the result and open it once in the environment where it will be used. Automated calculations and conversions are convenient reference tools, not a substitute for the receiving organisation’s final decision.
Open ID Photo Print Sheet →