Resize Image to 1.38×1.38 Inch
1.38 × 1.38 inches is a 35 mm square written in inches. At 300 DPI it is 414 × 414 pixels, ready for ID cards, lanyard badges and square photo boxes. Everything runs in your browser — nothing is uploaded. Need a smaller file instead? Compress or convert.
Drag the preview to choose which part of the image is kept. The same framing is used for every image in the batch.
Why choose 1.38×1.38 inch?
A 1.38×1.38 inch photo measures 35.1×35.1 mm, 3.51×3.51 cm. It is widely requested for ID cards, passport-style photos and application forms, and prints sharply at 414×414 pixels (300 DPI).
414×414 px at 300 DPI
The pixel size is worked out for you, and the file is saved with 300 DPI so it prints at exactly 1.38×1.38 inch.
Where it is used
1.38×1.38 inch is a common size for ID cards, passport-style photos and application forms. Check the requirements of the form or printer you are sending it to.
35 per A4 sheet
With small gaps, 35 photos fit on one A4 page and 35 on US Letter — handy for printing several copies at home.
1:1 square shape
The square (1:1) proportion decides the framing. Drag the preview so the subject sits where the rules expect it.
About 27 KB–54 KB as JPG
At 300 DPI a 1.38×1.38 inch photo is usually 27 KB–54 KB. If a form limits the file size, pair it with the compressor.
Same size, other units
1.38×1.38 inch equals 35.1×35.1 mm or 3.51×3.51 cm. Enter whichever unit your instructions use — the result is identical.
1.38×1.38 inch at a glance
| Size | 1.38×1.38 inch = 35.1×35.1 mm, 3.51×3.51 cm |
|---|---|
| Pixels at 300 DPI (print) | 414×414 |
| Pixels at 600 DPI (high quality) | 828×828 |
| Pixels at 200 DPI | 276×276 |
| Pixels at 150 DPI | 207×207 |
| Aspect ratio | square (1:1) |
| Copies per A4 sheet | 35 |
| Copies per US Letter sheet | 35 |
| Copies per 4×6 in photo paper | 6 |
| Typical JPG at 300 DPI | 27 KB–54 KB |
| Same and similar sizes | 3.5×3.5 cm, 35×35 mm, 36×36 mm, 1.5×1.5 in |
Resize a photo to 1.38×1.38 inch in 3 steps
- Add your photo — a clear, well-lit original works best.
- The size is already set to 1.38×1.38 inch at 300 DPI. Drag and zoom the preview to frame the face or subject.
- Click Resize and download. Print it at 100% (“actual size”) so it comes out at 1.38×1.38 inch.
New to image resizing? Read the full resizing guide.
Square sizes
Same width and height — profile photos, icons, product shots:
Landscape sizes
Wider than tall — screens, banners, covers and thumbnails:
Portrait sizes
Taller than wide — passport photos, forms and phone screens:
Change the aspect ratio
Paper, print & photo sizes
Paper and photo sizes in mm, cm and inches, plus DPI tools:
Resize for a platform
Ready-made sizes for social profiles and posts:
Resize tools
Batch resizing, DPI and crop tools:
A 35 mm square in inches
Conversion. 35 mm ÷ 25.4 = 1.378 inches, rounded to 1.38. Printed at 300 DPI that is 414 pixels a side — one pixel more than the metric page (35×35 mm, 413 pixels) because of the rounding. Either works.
Head size. In a square this small, the face should fill most of the frame. Crop from just above the hair to the top of the shoulders.
Background. Card printers show every shadow. A plain, evenly lit wall gives a cleaner result than a busy room.
Similar print and photo sizes
Nearby print sizes, saved at 300 DPI so they print at the right size:
Frequently asked questions
What is 1.38×1.38 inches in mm?
About 35 × 35 mm. At 300 DPI it is 414 × 414 pixels.
How many photos of 1.38×1.38 inch fit on an A4 page?
About 35 on A4 and 35 on US Letter, leaving 5 mm margins and 3 mm between photos. On 4×6 inch photo paper you can fit 6.
What DPI should a 1.38×1.38 inch photo be?
300 DPI is the standard for photo prints and gives 414×414 pixels. Some offices accept 200 DPI (276×276); 600 DPI (828×828) is only needed for very high-quality printing.
What is 1.38×1.38 inch in other units?
1.38×1.38 inch is 35.1×35.1 mm, 3.51×3.51 cm. Close sizes that are often confused with it: 3.5×3.5 cm, 35×35 mm.
Why does my 1.38×1.38 inch print come out the wrong size?
Most printers scale images to “fit page” by default. Choose “actual size” or 100% in the print dialog, and the photo will print at exactly 1.38×1.38 inch.
How large is a 1.38×1.38 inch photo file?
Usually 27 KB–54 KB as a JPG at 300 DPI. If an online form allows less, reduce it with the compressor — the print size stays the same.
Are my images uploaded?
No. Resizing happens entirely in your browser. Nothing is transmitted or stored, and you can disconnect from the internet after the page loads and it still works.