CrispKit

8.5x11 (US Letter) size in pixels

An 8.5x11 page or photo print is 8.5 × 11 in: exactly 21.59 × 27.94 cm, or 215.9 × 279.4 mm (worked out: inches × 2.54; the lab rounds it to 21.6 × 27.9 cm). At 300 DPI that is 2550 × 3300 pixels (8.42 MP); at 150 DPI it is 1275 × 1650 pixels. At 72, 96, 100 and 600 DPI: 612 × 792, 816 × 1056, 850 × 1100 and 5100 × 6600. Its shape is 17:22.

Nations Photo Lab, Print Size Guide lists it in its “Photo Print Size Chart” as 8.5x11" (21.6 x 27.9 cm).

Crop a photo to 8.5x11 at 300 DPI

Choose a photo, pick portrait or landscape, then drag and zoom. The download is exactly 2550 × 3300 px (or 3300 × 2550 for landscape), with 300 DPI written into the file, so apps that read that mark show it as 8.5 × 11 in.

1Choose an image, then drag and zoom

or drop an image here, or paste one with Ctrl/Cmd+V

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28.5x11 print

How to fit the image

3Your image

2550 × 3300 JPG

8.5x11 print specs

Rows marked “worked out” are arithmetic on the size the lab lists. The rest link to the page they came from.

8.5x11 print specs
SpecValueSource
Print size8.5 × 11 inSource: Nations Photo Lab, Print Size Guide, read on the source page
Size in cm21.6 × 27.9 cmSource: Nations Photo Lab, Print Size Guide, read on the source page
Exact size in cm21.59 × 27.94 cmWorked out from inches × 2.54
Size in mm215.9 × 279.4 mmWorked out from inches × 25.4
Aspect ratio17:22Worked out from 8.5 : 11, reduced
Pixels at 300 DPI2550 × 3300 pxWorked out from inches × 300
Pixels at 150 DPI1275 × 1650 pxWorked out from inches × 150
Megapixels at 300 DPI8.42 MPWorked out from 2550 × 3300 / 1,000,000
Kept from a 2:3 photo86.3%Worked out from the 2:3 frame cropped to 17:22, by area
Kept from a 4:3 photo97.1%Worked out from a 4:3 frame cropped to 17:22, by area
Measured PNG output1.93 MBsample-avatar.jpg (1600 × 1200) cropped to 2550 × 3300 by this tool in Chromium 156,
Measured JPG output277 KBsample-avatar.jpg (1600 × 1200) cropped to 2550 × 3300 by this tool in Chromium 156,

8.5x11 is US Letter paper

8.5x11 inches is the US Letter page size. Markus Kuhn, International standard paper sizes (University of Cambridge) calls it “the 216 × 279 mm U.S. Letter format” and lists Letter among the paper formats widely used in U.S. office applications. Worked out exactly, 8.5 × 11 in is 215.9 × 279.4 mm; 216 × 279 mm is that rounded to whole millimetres.

So every pixel size on this page is also a full Letter page: 612 × 792 at 72 DPI, 816 × 1056 at 96 DPI, 850 × 1100 at 100 DPI, 2550 × 3300 at 300 DPI and 5100 × 6600 at 600 DPI. For a page in landscape, swap the numbers: 3300 × 2550 at 300 DPI.

8.5x11 in pixels at other DPIs

Pixels are inches × DPI, so the same 8.5x11 needs a different pixel count at each DPI. If an app, a form or a print shop asks for one of these, use that row. On screens, web pages measure in CSS pixels: W3C, CSS Values and Units Module Level 4 defines “1in = 2.54cm = 96px”. So an 8.5x11 area laid out in CSS inches is 816 × 1056 CSS pixels.

8.5x11 in pixels by DPI
SpecValueSource
Pixels at 72 DPI612 × 792 pxWorked out from inches × 72
Pixels at 96 DPI816 × 1056 pxWorked out from inches × 96
Pixels at 100 DPI850 × 1100 pxWorked out from inches × 100
Pixels at 150 DPI1275 × 1650 pxWorked out from inches × 150
Pixels at 300 DPI2550 × 3300 pxWorked out from inches × 300
Pixels at 600 DPI5100 × 6600 pxWorked out from inches × 600

Will a camera photo fit 8.5x11?

WHCC Help, Crop Ratios says: “Most commonly, cameras default to a 2:3 ratio.” An 8.5x11 print is 17:22, so a 2:3 photo has to be trimmed to fit it. Cropped to 17:22, it keeps 86.3% of the frame and loses 13.7% off the long side. To keep the whole photo instead, use Fit below: it adds bars.

Not every photo is 2:3. Our example photo is 1600 × 1200 px, a 4:3 shape. Cropped to 8.5x11, a 4:3 photo keeps 97.1% of the frame (worked out the same way, by area). To check the shape of your own photo, use the Aspect Ratio Finder.

No other size shares the 17:22 shape

None of the other 13 sizes in our chart is 17:22, so a crop made for 8.5x11 has to be redone for any other print size.

What this tool made at 2550 × 3300

We ran this tool on our example photo (sample-avatar.jpg, 1600 × 1200 px). Cropped to 2550 × 3300, it saved as a 277 KB JPG and a 1.93 MB PNG (Chromium 156, ). Our example was too small for 2550 × 3300, so the tool scaled it up: that adds pixels but no detail. For a sharp print, start from a photo at least this big.

Other print sizes in pixels

Questions

How many pixels is an 8.5x11 at 300 DPI?

2550 × 3300 pixels: 8.5 × 11 in × 300. At 150 DPI it is 1275 × 1650. WHCC Help, Image Resolution says “the original file needs to be as close to the desired print size as possible when it’s at 300ppi”.

What is 8.5x11 in cm and mm?

Exactly 21.59 × 27.94 cm, or 215.9 × 279.4 mm, worked out from inches. The lab lists it as 21.6 × 27.9 cm.

Will a 2:3 camera photo fit 8.5x11?

Only with a crop: 8.5x11 is 17:22, so 13.7% of a 2:3 frame is cut off. Or use Fit to add bars.

This page shows 8.5x11 as the linked photo lab lists it, and pixel counts worked out from that size. Labs trim and round sizes in their own way, so check your lab’s size list before you order.

Nations Photo Lab, WHCC, Markus Kuhn’s paper-size page and the W3C are named only as sources for facts on this page. CrispKit is not affiliated with any of them.

Using this table in an article, a doc or a forum post? Copy a plain link back to it.

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