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Photo Print Sizes

Standard photo print sizes, aspect ratios and the pixels needed for a sharp print.

Standard photo print sizes with the pixels needed for a sharp print at 300 DPI (good) and 150 DPI (acceptable for larger prints viewed from a distance).

Photo print sizes

Print Inches Centimeters Aspect ratio Pixels at 300 DPI Pixels at 150 DPI
Wallet 2.5 × 3.5 in 6 × 9 cm 5:7 750 × 1050 375 × 525
4 × 6 4 × 6 in 10 × 15 cm 2:3 1200 × 1800 600 × 900
5 × 7 5 × 7 in 13 × 18 cm 5:7 1500 × 2100 750 × 1050
8 × 10 8 × 10 in 20 × 25 cm 4:5 2400 × 3000 1200 × 1500
8.5 × 11 (Letter) 8.5 × 11 in 22 × 28 cm 17:22 2550 × 3300 1275 × 1650
A4 8.3 × 11.7 in 21 × 29.7 cm 1:√2 2480 × 3508 1240 × 1754
11 × 14 11 × 14 in 28 × 36 cm 11:14 3300 × 4200 1650 × 2100
12 × 18 12 × 18 in 30 × 46 cm 2:3 3600 × 5400 1800 × 2700
A3 11.7 × 16.5 in 29.7 × 42 cm 1:√2 3508 × 4961 1754 × 2480
16 × 20 16 × 20 in 41 × 51 cm 4:5 4800 × 6000 2400 × 3000
20 × 30 20 × 30 in 51 × 76 cm 2:3 6000 × 9000 3000 × 4500
24 × 36 24 × 36 in 61 × 91 cm 2:3 7200 × 10800 3600 × 5400

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Clear instructions

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How to use the Photo Print Sizes

Standard photo print sizes, aspect ratios and the pixels needed for a sharp print.

  1. 1 Find the print size you want.
  2. 2 Check its aspect ratio against your photo.
  3. 3 Make sure your photo has at least the pixels listed.

Example and practical tips

An 8 × 10 print needs 2400 × 3000 pixels at 300 DPI; a 12-megapixel phone photo is big enough.

Frequently asked questions

What is DPI?

Dots per inch: how many image pixels are printed per inch. 300 DPI looks sharp up close.

Why is my photo cropped when printed?

Its aspect ratio differs from the paper, such as a 4:3 phone photo on a 2:3 print.

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