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Resize a photo to 25×35 mm (295×413 pixels)
A 25×35 mm print at 300 DPI is 295×413 pixels. Set 25×35 mm and 300 DPI in the panel and choose crop to fill: a 4:3 phone photo loses 46.4% and still gives 2,195 pixels per inch. As a JPEG, a head-and-shoulders portrait comes to about 26.4 KB at the panel's default quality 85 and 20.3 KB at quality 75.
25×35 mm at 300 DPI (295×413 px)
JPG · no file-size limit · 25x35 mm at 300 DPI · white background
No file-size limit is set: PixelFit saves at high quality and changes only the format and any pixel size you set. 25x35 mm at 300 DPI is 295x413 pixels.
Fit, background and padding crop to fill · white background
Saving presets is part of Pro.
The result appears here: the exact byte count, pixel size and quality, the size before and after, a preview and a download button.
The batch kit (one ZIP for up to 500 photos, several photos merged into one PDF) is part of Pro.
25×35 mm at a glance
| Physical size | 25×35 mm = 0.98×1.38 in |
|---|---|
| Pixels at 300 DPI | 295×413 px (121,835 pixels, 0.12 MP) |
| Shape | 5:7, portrait (width ÷ height = 0.7143) |
| From a 12 MP phone photo | 2,195 pixels per inch after the crop to fill (46.4% cut) |
| Copies per sheet | 16 on 4×6 in · 66 on A4 · 66 on US Letter |
| At 600 DPI | 591×827 px (0.49 MP) |
| Resampling passes from a phone photo | 2160×3024 crop → 1080×1512 → 540×756 → 295×413 |
| Estimated JPEG (portrait photo, quality 75, 300 DPI) | 20.3 KB |
| JPEG without a KB limit (panel default, quality 85) | 26.4 KB |
How 25×35 mm turns into pixels
An inch is exactly 25.4 mm, so at 300 DPI the pixel size is 25 mm ÷ 25.4 × 300 = 295.276, rounded to 295 px wide, and 35 mm ÷ 25.4 × 300 = 413.386, rounded to 413 px tall. 25×35 mm is a portrait shape with sides in the ratio 5:7 (0.7143 as a decimal), 0.98×1.38 in in the other unit.
The same 25×35 mm needs 197×276 px at 200 DPI and 591×827 px (0.49 MP) at 600 DPI. PixelFit writes the DPI you set into the JPEG header (the JFIF density field), so print software that reads it knows the file is meant to come out at 25×35 mm.
Is your photo sharp enough for 25×35 mm?
After the crop to fill, this is how many source pixels land on each inch of 25×35 mm. Above 300 DPI the picture is reduced to 300 DPI; below it, PixelFit has to enlarge the crop and fine detail softens.
| Starting image | Crop to fill keeps | Area lost | Pixels per inch at 25×35 mm | To reach 300 DPI |
|---|---|---|---|---|
| 12 MP phone photo (4032×3024, 4:3) | 2160×3024 (left and right cut) | 46.4% | 2,195 DPI | reduced (0.14×) |
| 24 MP camera photo (6000×4000, 3:2) | 2857×4000 (left and right cut) | 52.4% | 2,903 DPI | reduced (0.1×) |
| Full HD screenshot (1920×1080, 16:9) | 771×1080 (left and right cut) | 59.8% | 783 DPI | reduced (0.38×) |
| Vertical phone video frame (1080×1920, 9:16) | 1080×1512 (top and bottom cut) | 21.3% | 1,097 DPI | reduced (0.27×) |
25×35 mm in pixels at each print resolution
Pixels = millimetres ÷ 25.4 × DPI. The panel uses 300 DPI unless you change it; the file sizes are for a portrait saved as JPEG.
| Resolution | Pixels | Megapixels | JPEG q75 | JPEG q90 |
|---|---|---|---|---|
| 150 DPI | 148×207 | 0.0306 MP | ≈ 7.5 KB | ≈ 11.8 KB |
| 200 DPI | 197×276 | 0.0544 MP | ≈ 11.5 KB | ≈ 18.1 KB |
| 300 DPI | 295×413 | 0.12 MP | ≈ 20.3 KB | ≈ 32.6 KB |
| 400 DPI | 394×551 | 0.22 MP | ≈ 31 KB | ≈ 50.7 KB |
| 600 DPI | 591×827 | 0.49 MP | ≈ 57.3 KB | ≈ 96.1 KB |
Will a 25×35 mm photo fit a KB limit?
Saved at 300 DPI (295×413 px), a head-and-shoulders portrait of 25×35 mm comes to about 15.9 KB at JPEG quality 60, 20.3 KB at 75 and 32.6 KB at 90, and about 13.5 KB as WebP at 75. Dropping to 200 DPI (197×276 px) brings quality 75 down to about 11.5 KB, but the print then holds fewer pixels per inch.
At 300 DPI the photo fits under 20 KB up to quality 72; under 50 KB, 100 KB and 200 KB it fits even at quality 95. Set the KB limit next to the size and PixelFit picks the highest quality that fits.
Printing 25×35 mm copies
Without margins or cutting gaps, 16 copies fit on one 4×6 in (102×152 mm) photo print, 66 on an A4 sheet, 66 on US Letter (some turned sideways where that packs more). Print at 100% scale, never "fit to page", or a small ID photo of 25×35 mm comes out the wrong size; 295×413 px at 300 DPI is exact.
Other 5:7 print and photo sizes
These sizes have the same 5:7 shape as 25×35 mm, so a photo cropped for one fits the others with no further crop.
| Size | Pixels | Scale from 25×35 mm |
|---|---|---|
| 5×7 inch print | 1500×2100 | 5.08× |
| 500×700 portrait | 500×700 | 1.69× |
Forms in the PixelFit directory that ask for 25×35 mm
Matched by the photo size stated in each form's official notice (checked October 2026); open the form's page for its KB limit, background and other rules.
- PAN card application on Protean (NSDL), Form 49A (PAN card (Protean))
How to resize a picture to 25×35 mm
-
Add the picture
Drop, paste or pick the photo in the PixelFit panel at the top of this page; it is decoded in your browser and never uploaded.
-
Set the size
Pick mm as the unit, enter 25×35 mm and 300 DPI; the tool turns that into 295×413 pixels.
-
Choose how it fits
Choose crop to fill to keep the 5:7 frame without stretching (a phone photo loses 46.4%, left and right cut). Fit inside keeps the whole picture as a 295×221 file instead; Pad with colour puts that on a full 295×413 canvas.
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Pick the format and download
Keep JPG (without a KB limit PixelFit saves at quality 85, about 26.4 KB for a head-and-shoulders portrait) so the 300 DPI stamp travels with the file, or choose PDF to get the picture as a PDF page, then download.
Sources
- Protean: Guidelines for filling PAN new application (Form 49A), Protean eGov Technologies (formerly NSDL e-Gov), for the Income Tax Department, checked 31 October 2026: tin.tin.proteantech.in/pan/form49Adsc.html
- Inch (1 inch is exactly 25.4 mm), Wikipedia, checked 31 October 2026: en.wikipedia.org/wiki/Inch
- Measured by PixelFit with sharp 0.35.5 / libvips 8.18.7 on 31 October 2026, from the sample photo President Barack Obama.jpg by Pete Souza (Official White House photo) (Public domain): commons.wikimedia.org/wiki/File:President_Barack_Obama.jpg
Frequently asked questions
How do I resize a photo to 25×35 mm?
Open the photo in the PixelFit panel on this page, set 25×35 mm at 300 DPI (295 × 413 px), choose crop to fill and download. From a 12 MP phone photo that crops 46.4% (left and right cut) and still leaves 2,195 pixels per inch to work with.
How many pixels is 25×35 mm?
25×35 mm is 295×413 px at 300 DPI, 591×827 px at 600 DPI and 148×207 px at 150 DPI (pixels = mm ÷ 25.4 × DPI).
What DPI should a 25×35 mm photo have?
PixelFit uses 300 DPI, which makes 25×35 mm exactly 295×413 px; print it at 100% scale. At 150 DPI the same 295×413 pixels would print 1.97×2.75 in, twice as large and with half the density.
How many 25×35 mm photos fit on one sheet?
Without margins, 66 fit on A4 (210×297 mm), 66 on US Letter and 16 on a 4×6 in photo print, turning them sideways where that packs more. Leave a few millimetres for cutting.
How big is a 25×35 mm JPEG at 300 DPI?
For a head-and-shoulders portrait about 20.3 KB at quality 75 (15.9 KB at 60, 32.6 KB at 90, 26.4 KB at the panel's default quality 85); a detailed outdoor photo is about 30.6 KB at quality 75, estimated from measured encodes of real sample photos at 295×413 px.
Related
Same 5:7 ratio
Nearby sizes
- 300×400 portrait 3:4
- 30×40 mm photo 3:4
- 33×48 mm photo 130:189 (1:1.45)
- 400×514 px photo 200:257 (about 7:9)
- 35×45 mm passport photo 7:9
- 420×540 px photo 7:9