Resize image to 250x350 mm

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Use this page to prepare a picture for a 250 × 350 mm print. The size equals 9.84 × 13.78 in, and in pixels it is 2953 × 4134 at the 300 DPI usually used for sharp prints.

There is no widely used named standard at exactly this size, so the preset is useful when a printer, frame or form specifies it directly. Always check the dimensions given by whoever will print or receive the image.

Output size	250 × 350 mm
In other units	9.84 × 13.78 in / 25 × 35 cm
Aspect ratio	5:7 (portrait)
Pixels at 96 DPI (Auto)	945 × 1323
Pixels at 300 DPI	2953 × 4134 (12.2 MP)

250 × 350 mm in pixels

Pixels = size in inches × DPI. DPI is a printing instruction, not a quality setting: it says how many pixels are spread over each inch of paper. With the DPI field on Auto, ResizeAny converts at 96 DPI, which suits screens. For print, set 300 DPI. JPG and PNG output stores the DPI value in the file.

DPI	Use	Pixel size
72	Screen preview	709 × 992
96	Tool default (Auto)	945 × 1323
150	Large posters, viewed from a distance	1476 × 2067
300	Photos, cards, anything held close	2953 × 4134

Will your photo be sharp enough?

A 12-megapixel phone photo (4000 × 3000) is short of the 2953 × 4134 pixels this size needs at 300 DPI. It would have to be enlarged by about 3%, which looks soft. Use a 150 DPI target (1476 × 2067 px) for a more realistic result, or start with a larger original.

Needed source resolution: 12.2 megapixels or more at 300 DPI.

Matching the 5:7 shape

The output is 5:7. If your photo has another shape, it has to be cropped or it will be stretched. This is how much of each common photo is lost when cropped to fill 5:7:

Starting photo	Cropped away to fill the shape
Phone photo (4000 × 3000, 4:3)	About 46% of the image
DSLR photo (6000 × 4000, 3:2)	About 52% of the image
Video frame (1920 × 1080, 16:9)	About 60% of the image
Portrait phone photo (3000 × 4000, 3:4)	About 5% of the image

How to resize an image to 250x350 mm

Add your image. Select a photo or drag it onto the box above. JPG, PNG, WebP, AVIF, HEIC and BMP files are accepted, and the file stays on your device.
Set the resolution. The preset fills in 250 × 350 mm. Leave DPI on Auto to convert at 96 DPI, or enter 300 DPI for print so the file has enough pixels for a sharp result.
Crop if the shape differs. The target shape is 5:7. If your photo is a different shape, crop it first so the print is not stretched.
Download and print at 100%. Save as JPG or PNG; the DPI value is stored in the file. Print at 100% scale, not "fit to page", so the physical size stays exact.

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More in this category: Resize Image to Exact Millimeter Sizes. For several photos at once, use the bulk image resizer.

Frequently asked questions

What is 250 × 350 mm in pixels?▼

It depends on DPI: 945 × 1323 px at 96 DPI, 1476 × 2067 px at 150 DPI and 2953 × 4134 px at 300 DPI.

What DPI should I use for a 250 × 350 mm print?▼

300 DPI for anything seen up close, such as photos, cards and labels; 150 DPI is acceptable for larger prints viewed from a distance. Higher than 300 rarely gives a visible gain.

What is 250 × 350 mm in other units?▼

9.84 × 13.78 in, 25 × 35 cm and 250 × 350 mm. It does not correspond to a common named standard.

How do I make sure it prints at exactly 250 × 350 mm?▼

Set the size and a DPI, download the file, and print at 100% scale. Options such as "fit to page" or "shrink to printable area" silently change the physical size, so turn them off. If a lab does the printing, tell them the exact size rather than relying on the file's DPI value.

Is a phone photo big enough for 250 × 350 mm?▼

At 300 DPI, not quite: you need 12.2 MP and a 12 MP phone photo has about 12. It will work at 150 DPI, or when viewed from further away.

Is my image uploaded anywhere?▼

No. ResizeAny decodes, resizes and re-encodes your picture inside your browser tab, so a photo you prepare for a 250 × 350 mm print never leaves your device. You can confirm this in your browser's developer tools: the Network tab shows no upload request while you work.

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