One of the most used photo sizes is the postcard size, which measures 10 x 15 cm, and is the standard measurement for photographic printing.
The size of a photograph expresses its dimensions in a certain unit of measurement that can obey two aspects:
The measurement in centimeters, although we can also find it in inches, is the measurement used for printing or photographic development. The size in pixels, more focused on the resolution of the photograph, the more pixels it has, the higher its quality. This measurement is used to set the size of digital photos.
Most used sizes for photo printing
In the following table we will see the main sizes in which we can print a photograph, in centimeters, pixels and inches:
Centimeters
pixels
Inches
4 x 3 470 x 354 1.57 x 1.20 4 x 4 470 x 470 1.57 x 1.57 9 x 13 1063 x 1535 3.5 x 5 10 x 15 1181 x 1772 4 x 6 13 x 18 1535 x 2125 5 x 7 15 x 20 1771 x 2362 6 x 8 18 x 24 2125 x 2834 7 x 9.5 20 x 25 2362 x 2952 8 x 10 20 x 30 2362 x 3543 8 x 12 24 x 30 2834 x 3 543 9 .5 x 12 30 x 40 3543 x 4724 12 x 16 30 x 45 3543 x 5314 12 x 18 40 x 50 4724 x 5905 18 x 20
Depending on the size in which it is printed, the photograph can have different uses:
The passport size (4 x 3 cm), used in identification documents such as the passport. The postcard size (10 x 15 cm) is the photo size that we usually print to keep inside the albums. Portrait size (18 x 24 cm), generally used for framing and decorating. The poster size (30 x 40 cm and above), larger size prints intended for wall decoration.
Sizes most used in social networks
Within the digital field, the sizes of the photographs vary depending on the platform that we are going to use. Each social network can establish the size that best suits the appearance of its website. Generally, more size is required than necessary to ensure good online viewing.
Next we will see the sizes in pixels used in the main social networks.
Social network
Profile picture
Cover photo
post image
170×170
128×128
820×312
640×360
1200×630
1080×1080
Instagram 110 x 110 Does not apply
1080×1080
1080×566
1080×1350
140×140
192×192
Does not apply Does not apply Twitter
400×400
1500×500
440×220
1024×512
LinkedIn 400 x 400 1584 x 396
1200×627
1200×1200
The measurements may vary depending on the device we use (computer, smartphone) or the format of the photo (square, horizontal, vertical).
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