#aspect-ratio
Practical guides for online sellers: product photos, marketplace listings, video ads and growing your store.
3:4 Aspect Ratio (2026): Sizes in Pixels, 1080x1440 and 3x4 Explained
Every 3:4 size from 600x800 to a full phone photo, the formula, 3:4 vs 4:5 and 2:3, and how to turn square photos into 3:4 without cropping the product.
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3:2 Aspect Ratio (2026): Sizes in Pixels, Prints and How to Convert
Every common 3:2 size, the formula, prints from 4x6 to 20x30, how 3:2 compares with 4:3 and 16:9, and how to convert camera photos for listings.
4:3 Aspect Ratio (2026): Sizes in Pixels, Formula and How to Convert
Every common 4:3 size, the formula, where phones, screens and marketplaces use it, and how to turn a 4:3 photo into square, 4:5 or 9:16.
4:5 Aspect Ratio (2026): 1080x1350, 5:4 and Sizes in Pixels
Every 4:5 size from 800x1000 to print, the formula, where Instagram and other platforms use it, and how to turn square or phone photos into 4:5.
9:16 Aspect Ratio (2026): 1080x1920 and Every Vertical Size in Pixels
Every 9:16 size from 720x1280 to 4K, the formula, where TikTok, Reels, Stories and Shorts use it, and how to turn a square product photo vertical.
What Is Pixel Ratio? Device Pixel Ratio, Pixel Aspect Ratio and Image Sizes (2026)
What device pixel ratio and pixel aspect ratio mean, how they differ from aspect ratio, and how wide to export product images for 1x, 2x and 3x screens with srcset.
Photo Print Sizes in Pixels (2026): 4x6 to 24x36 and A4 at 300 and 150 PPI
Every standard print size from wallet to 24x36 and A6 to A3 in pixels at 300 and 150 PPI, the picture ratio of each, and how much a phone or camera photo is cropped.
16:9 Aspect Ratio (2026): Resolutions in Pixels, from 720p to 4K and 8K
Every common 16:9 resolution from 640x360 to 8K, where sellers need widescreen images, how to calculate 16:9 sizes and how to turn a square product photo into 16:9.
1:1 Aspect Ratio (2026): Square Pixel Sizes for Every Platform
The 1:1 square size each marketplace and social platform expects, common square sizes from 500 to 3000 px, and how to make a photo square without cutting off the product.
Twitter (X) Image Size 2026: Posts, Header, Profile Photo and Link Cards
Every Twitter (X) image size for 2026: single and multi-image posts, header, profile photo and link cards, how X crops them, and free ways to resize.
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