Standard Photo Print Sizes Chart in cm, mm, Pixels & Ratios

Standard Photo Print Sizes Explained, Before You Order

If you are trying to work out the right photo print size, start with two things, the physical print size and the shape of your image. A 4 x 6 photo is not just smaller than an 8 x 10. It is also a different aspect ratio, which affects whether your image prints cleanly or gets cropped. This guide compares common photo print sizes in inches, centimetres, millimetres and pixels, so you can choose the best size for printing first, then match it to a ready-made photo frame more easily.

4 x 6 inches (10 x 15 cm) is still the classic everyday photo print size.
5 x 7 inches (13 x 18 cm) and 8 x 10 inches (20 x 25 cm) are popular for gifts and framed display.
3:2, 4:3, 5:4 and 1:1 are the key ratios to understand before you print.
300 ppi is the safest target for sharp, close-viewed prints.

Common Photo Print Sizes Conversion Chart

Use this chart when you need a quick conversion from inches to centimetres or millimetres. It is especially handy when you are matching a printed photo to a ready-made frame, photo album pocket or print order form.

Photo size (inches)	Centimetres	Millimetres
3.5 x 5 in	8.9 x 12.7 cm	89 x 127 mm
4 x 4 in	10.2 x 10.2 cm	102 x 102 mm
4 x 6 in	10.2 x 15.2 cm	102 x 152 mm
5 x 5 in	12.7 x 12.7 cm	127 x 127 mm
5 x 7 in	12.7 x 17.8 cm	127 x 178 mm
6 x 6 in	15.2 x 15.2 cm	152 x 152 mm
6 x 8 in	15.2 x 20.3 cm	152 x 203 mm
8 x 8 in	20.3 x 20.3 cm	203 x 203 mm
8 x 10 in	20.3 x 25.4 cm	203 x 254 mm
8 x 12 in	20.3 x 30.5 cm	203 x 305 mm
10 x 10 in	25.4 x 25.4 cm	254 x 254 mm
10 x 12 in	25.4 x 30.5 cm	254 x 305 mm
10 x 15 in	25.4 x 38.1 cm	254 x 381 mm
11 x 14 in	27.9 x 35.6 cm	279 x 356 mm
12 x 12 in	30.5 x 30.5 cm	305 x 305 mm
12 x 18 in	30.5 x 45.7 cm	305 x 457 mm
16 x 20 in	40.6 x 50.8 cm	406 x 508 mm
16 x 24 in	40.6 x 61 cm	406 x 610 mm
20 x 24 in	50.8 x 61 cm	508 x 610 mm
20 x 30 in	50.8 x 76.2 cm	508 x 762 mm

Helpful note: Many photo labs and retailers round common print sizes in metric. For example, 4 x 6 inches is often sold as 10 x 15 cm, and 5 x 7 inches is often listed as 13 x 18 cm.

What Are the Most Common Standard Photo Sizes?

While there are plenty of print sizes available, a handful do most of the heavy lifting. If you are printing casual snapshots, family photos or holiday memories, 4 x 6 is usually the starting point. Step up to 5 x 7 when you want a more giftable print, or move into 8 x 10 and 11 x 14 when the photo is destined for a frame and wall display.

Square formats such as 4 x 4, 5 x 5 and 8 x 8 are useful when your image has been cropped for social media or you want a cleaner, more modern look. Larger sizes such as 12 x 18, 16 x 20 and 20 x 30 are better suited to statement pieces, event photography and wall art. The key is not just choosing a bigger print, but choosing one that suits the original shape of your image.

Photo Print Sizes and Their Best Uses

Photo size	Aspect ratio	Best for	Helpful notes
3.5 x 5 in	10:7	Mini prints, keepsakes, small albums	Less common today, handy for compact snapshots and novelty prints.
4 x 4 in	1:1	Square social-style prints	Good for Instagram-style crops, mini frames and modern photo walls.
4 x 6 in	3:2	Everyday prints, albums, small frames	The classic standard size. Easy to print, easy to frame, easy to store.
5 x 5 in	1:1	Square enlargements	Useful when you want a square print with a little more impact than 4 x 4.
5 x 7 in	7:5	Portraits, gifts, tabletop photo frames	A popular step up from 4 x 6 when you want a more display-ready print.
6 x 6 in	1:1	Large square prints	Works well for modern layouts, grids and café or studio displays.
6 x 8 in	4:3	Family photos, desk frames, photo books	A good option when your image is closer to 4:3 and you want a bit more size.
8 x 8 in	1:1	Feature square prints	Great for gallery-style squares and minimalist wall styling.
8 x 10 in	5:4	Portraits, framed gifts, small wall display	Very common for framing, but often needs cropping from a 3:2 camera file.
8 x 12 in	3:2	Landscape photos, framed prints	A strong choice when you want a larger print that still suits a 3:2 photo.
10 x 10 in	1:1	Statement square prints	Useful for clean, balanced wall layouts and social-photo enlargements.
10 x 12 in	6:5	Display prints, art photos	A slightly less common size that can suit selected décor and custom layouts.
10 x 15 in	3:2	Large 3:2 enlargements	A neat enlargement of the classic 4 x 6 proportion.
11 x 14 in	14:11	Wall frames, portraits, gifts	A popular framed photo size with more presence on the wall.
12 x 12 in	1:1	Large square wall art	Works well for square compositions and grouped wall displays.
12 x 18 in	3:2	Posters, event photos, wall art	A very common large-format choice for 3:2 images.
16 x 20 in	5:4	Large portraits, feature wall frames	A classic statement size for home or office display.
16 x 24 in	3:2	Large landscapes, posters, wall art	Useful when you want a bold print that still follows a 3:2 ratio.
20 x 24 in	6:5	Oversized framed photos	Best for larger display pieces and more formal interiors.
20 x 30 in	3:2	Statement wall art, commercial display	A high-impact size for feature walls, events and large framed prints.

Why Aspect Ratio Matters More Than Most People Think

Aspect ratio is simply the shape of your image. It is the relationship between the long side and the short side. This matters because your camera, phone and print size may all use different shapes. When they do not match, something has to give. That usually means cropping.

For example, a classic 4 x 6 print uses a 3:2 ratio, which suits many DSLR and mirrorless camera files nicely. A 6 x 8 print is closer to 4:3, which is often a better match for phone photography. An 8 x 10 print uses a 5:4 ratio, which is one reason people are often surprised when the top and bottom of a 3:2 photo get trimmed slightly. Square prints are the easiest of all if your image is already cropped square, and the trickiest if it is not.

If you want to avoid unnecessary cropping, choose a print size that matches your original image ratio as closely as possible. If the size you want is close but not exact, it can be smarter to print slightly smaller or move up to the next standard frame size and use a custom mat board to create a clean border around the image.

Phone photo tip: Many smartphone photos are taken in a 4:3 ratio, so a 6 x 8 print can sometimes preserve more of the image than a 4 x 6 print.

Common Photo Print Aspect Ratios

Aspect ratio	Common print sizes	Where you see it most	Cropping / framing note
3:2	4 x 6, 8 x 12, 10 x 15, 12 x 18, 16 x 24, 20 x 30	Most DSLRs, many mirrorless cameras, 35mm film	Usually the easiest ratio for classic photo prints with minimal cropping.
4:3	6 x 8 and many phone or compact-camera files	Most smartphones, many compact and Micro Four Thirds cameras	Often needs a small crop when printing to 4 x 6 or 5 x 7.
5:4	8 x 10, 16 x 20, 20 x 24	Portrait-style framing and display prints	Common framed size, but a 3:2 image will usually lose some length when cropped to fit.
7:5	5 x 7	Small portraits, gifts, tabletop display	Very popular in ready-made frames, usually needs a slight crop from both 3:2 and 4:3 photos.
1:1	4 x 4, 5 x 5, 6 x 6, 8 x 8, 10 x 10, 12 x 12	Square social images, Instax Square-style layouts	No crop if your image is already square. Great for grids and modern walls.
16:9	Panoramic and screen-shaped prints	Video stills, phone widescreen shots, digital displays	Usually too wide for standard frames unless you crop or use a custom frame or mat board.
14:11	11 x 14	Portrait enlargement and framed display	A useful display ratio, but it often needs cropping from standard camera files.
6:5	10 x 12, 20 x 24	Selected display prints and custom-framing jobs	Less common, but helpful when a print needs a slightly squarer look than 5:4.

Photo Print Size Guide Wall Chart - Infographic

Photo Print Resolution, Pixels and File Size Guide

When you print a photo, the pixel dimensions of the file matter just as much as the paper size. This is where ppi comes in. PPI means pixels per inch, and it tells you how much image information is available for the print. In simple terms, more pixels usually means a sharper print.

As a practical rule, 300 ppi is the safest benchmark for prints that will be viewed up close. That includes small frames, gifts and desk displays. For larger wall prints that will usually be seen from further back, 150 ppi can still produce very good results. The 72 ppi column below is included as a quick web reference only, but not as a recommended printing resolution.

One important note. Actual JPEG, PNG and TIFF file sizes vary depending on format and compression. The table below uses approximate uncompressed 24-bit RGB image data equivalents, so you can compare sizes consistently at a glance.

Photo Print Resolution and Approximate File Sizes

Photo size	Web reference only 72 ppi	Good print quality 150 ppi	Best print quality 300 ppi
3.5 x 5 in	252 x 360px (approx. 0.3 MB)	525 x 750px (approx. 1.2 MB)	1050 x 1500px (approx. 4.7 MB)
4 x 4 in	288 x 288px (approx. 0.2 MB)	600 x 600px (approx. 1.1 MB)	1200 x 1200px (approx. 4.3 MB)
4 x 6 in	288 x 432px (approx. 0.4 MB)	600 x 900px (approx. 1.6 MB)	1200 x 1800px (approx. 6.5 MB)
5 x 5 in	360 x 360px (approx. 0.4 MB)	750 x 750px (approx. 1.7 MB)	1500 x 1500px (approx. 6.8 MB)
5 x 7 in	360 x 504px (approx. 0.5 MB)	750 x 1050px (approx. 2.4 MB)	1500 x 2100px (approx. 9.4 MB)
6 x 6 in	432 x 432px (approx. 0.6 MB)	900 x 900px (approx. 2.4 MB)	1800 x 1800px (approx. 9.7 MB)
6 x 8 in	432 x 576px (approx. 0.7 MB)	900 x 1200px (approx. 3.2 MB)	1800 x 2400px (approx. 13 MB)
8 x 8 in	576 x 576px (approx. 1.0 MB)	1200 x 1200px (approx. 4.3 MB)	2400 x 2400px (approx. 17 MB)
8 x 10 in	576 x 720px (approx. 1.2 MB)	1200 x 1500px (approx. 5.4 MB)	2400 x 3000px (approx. 22 MB)
8 x 12 in	576 x 864px (approx. 1.5 MB)	1200 x 1800px (approx. 6.5 MB)	2400 x 3600px (approx. 26 MB)
10 x 10 in	720 x 720px (approx. 1.6 MB)	1500 x 1500px (approx. 6.8 MB)	3000 x 3000px (approx. 27 MB)
10 x 12 in	720 x 864px (approx. 1.9 MB)	1500 x 1800px (approx. 8.1 MB)	3000 x 3600px (approx. 32 MB)
10 x 15 in	720 x 1080px (approx. 2.3 MB)	1500 x 2250px (approx. 10 MB)	3000 x 4500px (approx. 41 MB)
11 x 14 in	792 x 1008px (approx. 2.4 MB)	1650 x 2100px (approx. 10 MB)	3300 x 4200px (approx. 42 MB)
12 x 12 in	864 x 864px (approx. 2.2 MB)	1800 x 1800px (approx. 9.7 MB)	3600 x 3600px (approx. 39 MB)
12 x 18 in	864 x 1296px (approx. 3.4 MB)	1800 x 2700px (approx. 15 MB)	3600 x 5400px (approx. 58 MB)
16 x 20 in	1152 x 1440px (approx. 5 MB)	2400 x 3000px (approx. 22 MB)	4800 x 6000px (approx. 86 MB)
16 x 24 in	1152 x 1728px (approx. 6 MB)	2400 x 3600px (approx. 26 MB)	4800 x 7200px (approx. 104 MB)
20 x 24 in	1440 x 1728px (approx. 7.5 MB)	3000 x 3600px (approx. 32 MB)	6000 x 7200px (approx. 130 MB)
20 x 30 in	1440 x 2160px (approx. 9.3 MB)	3000 x 4500px (approx. 41 MB)	6000 x 9000px (approx. 162 MB)

Quick tip: For web and screen use, think in pixels first. For printing, think in print size plus ppi. That small distinction saves a lot of guesswork.

How to Choose the Right Photo Size for Printing and Framing

If the photo is mostly for albums, or casual prints, 4 x 6 is usually the easiest choice. If it is going on a bedside table, office desk or as a small gift, 5 x 7 often feels a little more finished. If it is headed for the wall, 8 x 10, 11 x 14 and 12 x 18 are all strong framing sizes.

It also helps to think one step ahead. If you already know you want to frame the print, compare it against standard frame sizes first. Our photo frame size conversion chart and picture frame size calculator can help you work backwards from your photo size to the most practical frame option.

If the exact print size you want does not match a ready-made frame, do not panic. That is exactly where a window mat board can help. A cut to size mat board can bridge the gap between a standard frame and a slightly different photo size, while also improving presentation and keeping the image away from the glass. If you need a refresher, here is our guide on what a mat board is.

Polaroid and Instax Photo Print Sizes Chart

Instant photos live in their own little world, which is part of the charm. Their outer border size and actual image area are not the same, so it helps to check both before ordering an album or selecting one of our Polaroid and Instax photo frames.

Instant film format	Overall size	Image size
Polaroid	88 x 107 mm (3.5 x 4.2 in)	77 x 79 mm (3.0 x 3.1 in)
Polaroid Go	54 x 67 mm (2.1 x 2.6 in)	46 x 47 mm (1.8 x 1.9 in)
Instax Mini	54 x 86 mm (2.1 x 3.4 in)	46 x 62 mm (1.8 x 2.4 in)
Instax Wide	108 x 86 mm (4.3 x 3.4 in)	99 x 62 mm (3.9 x 2.4 in)
Instax Square	72 x 86 mm (2.8 x 3.4 in)	62 x 62 mm (2.4 x 2.4 in)

Choosing the Best Photo Print Size for Printing and Framing

The best photo print size is not always the biggest one. It is the one that suits your image shape, your intended use and the frame or album you want it to fit. For most people, that means starting with the image ratio, checking the pixel dimensions, then choosing the closest standard print size that gives you the look you want.

Once you have the print sorted, framing becomes much easier. Standard sizes usually give you more frame choices, better value and less mucking around with custom measurements. And if you do end up between sizes, a well-chosen mat board can often solve the problem neatly.

Jared Davis

Master Certified Picture Framer®, Writer, Educator

Jared is published author, writer and an industry-recognised educator with over 30 years' experience. He teaches classes and workshops on topics including conservation methods and techniques for handling photos and artworks, to professional picture framers all around the world.

Standard Photo Print Sizes Chart, Pixels and Aspect Ratios

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