Polaroid Photo Sizes: How Big Is a Polaroid, Exactly?

Everyone can picture a Polaroid, and almost nobody can draw one. Ask someone to sketch it and you get a white square with a thin strip along the bottom: too square, and the strip far too thin. Both errors are invisible on their own and both are obvious the moment a real print is lying next to the drawing. The proportions of that piece of paper are strangely specific, and they are the reason the shape reads as Polaroid rather than as photo with a border.

There is also more than one shape. “Instant photo” now covers five living formats with genuinely different geometry, and the differences are larger than the marketing suggests — one of them holds about a third of the picture of another. Here are the measured numbers for all five, starting with the print most people mean by “a Polaroid”.

The 600 / SX-70 / i-Type print, measured

part of the print	millimetres	inches
whole print	88 × 107 mm	3.46 × 4.21 in
image window	79 × 79 mm	3.11 × 3.11 in
border, left, right and top	4.5 mm	0.18 in
chin (the wide bottom band)	23.5 mm	0.93 in
print aspect ratio	88 ÷ 107 = 0.822	1 : 1.216

Two things fall out of that table that most people get wrong.

The image is square, but the print is not. The window is 79 mm on both sides. The paper around it is not symmetrical, which is what makes the object read as portrait while the picture inside it reads as square.

A third of a Polaroid is paper. The 79 mm window covers 6,241 mm² of a 9,416 mm² print — about 66%. The remaining 34% is white, and roughly two-thirds of that is the chin alone.

The numbers also check themselves, which is the fastest way to test any Polaroid template you find anywhere else:

• across: 4.5 + 79 + 4.5 = 88
• down: 4.5 + 79 + 23.5 = 107

If a frame you have been handed doesn’t close like that, it isn’t the format it claims to be.

How it compares to instax and Polaroid Go

“Polaroid size” is the question people type, but half the time the print in their hand is an instax or a Polaroid Go, which are different objects entirely. Every instax and Polaroid Go figure below is quoted from the manufacturer’s own specification page; the 600 row repeats the geometry above.

format	whole print	image area	shape
Polaroid 600 / SX-70 / i-Type	88 × 107 mm	79 × 79 mm	square picture, portrait paper
Polaroid Go	66.6 × 53.9 mm (2.623 × 2.122 in)	47 × 46 mm (1.851 × 1.811 in)	the same idea at roughly a third of the area; the picture is very nearly square
instax mini	86 × 54 mm	62 × 46 mm	a portrait picture on a portrait card
instax SQUARE	see note	62 × 62 mm	square picture, like a Polaroid
instax WIDE	see note	62 × 99 mm as Fujifilm lists it — the 99 mm is the long edge	the widest picture of the five

Sources: Polaroid Go from Polaroid’s own film page; instax mini from the instax mini 12 specifications; instax SQUARE from the SQ1 specifications; instax WIDE from the WIDE 400 specifications. The 600 / SX-70 row is the geometry our own Polaroid maker draws.

The note, because it is more useful than a guess. No outer print size is given for instax SQUARE and WIDE. Fujifilm states the picture size for both, but the outer size is either absent or inconsistent — the WIDE film page gives 10.6 × 8.4 cm while 108 × 86 mm circulates widely elsewhere. Rather than pick the tidier number, the cell is empty. Measure the print you own if you are cutting a mat; if you are composing a picture, the image area is the number that matters anyway.

The practical consequence. A square picture is a square picture: a photo composed for a Polaroid 600 drops into an instax SQUARE frame without recomposition, because both windows are square and only the scale changes. An instax mini will not take it, because its picture is a 62 × 46 mm portrait rectangle — roughly 4:3 standing up. That is the most common reason a template “fits” on screen and crops somebody’s head off in print.

Two numbers that surprise people. An instax WIDE picture covers 6,138 mm² against a Polaroid 600 window’s 6,241 mm² — within 2% of each other, in completely different shapes. And the Polaroid Go has the smallest picture of the five: 2,162 mm² against an instax mini’s 2,852 mm², about three-quarters. Choosing a format for a scrapbook page? That is the number to decide on, not the brand.

The chin is the whole tell

The wide white band at the bottom is not a design flourish. An integral print is a self-contained darkroom — the chemistry that develops the picture travels inside the paper — and the extra white at one end is structural. The caption-writing habit came afterwards, because there was somewhere to write.

Which means the chin is also the number that fakes it or doesn’t, and the failure is worth showing because we shipped it ourselves. An earlier version of our Polaroid maker built the frame from guessed proportions:

	the guessed version	the real print
chin ÷ image width	0.194	0.297
border ÷ image width	0.050	0.057
print aspect, width ÷ height	0.884	0.822

A chin two-thirds of the depth it should be, on a print nearly a tenth too square. Nobody could have told you the numbers were off, and everybody could see the result: it read as a white square with a photo in it. Not as a Polaroid. That gap — between “the proportions are off by a few per cent” and “this object is not the thing” — is why it is worth having the measurements at all.

Printing one at true size

If you want a print that measures 88 × 107 mm in the hand, the pixel arithmetic is fixed:

what you are printing	pixels	effective resolution
a true-size print, 88 × 107 mm, at 300 ppi	1,040 × 1,264 px	300 ppi
our PNG export, printed at true size	~1,400 px on the short edge	~400 ppi
our PNG export, printed 5 in tall	~1,400 px across 104 mm	~340 ppi

The export runs comfortably above the 300 ppi print threshold at true size, and still clears it when you enlarge to a 5 in tall print — which is the size most people actually want, because it survives being glued into a journal without looking dainty.

Print on matte paper rather than glossy. A real integral print has a slight surface texture, and gloss is the single detail that gives away an inkjet reproduction faster than any dimension does.

The square problem

The Polaroid window is square and your photos are not. Most phone cameras shoot 4:3, so squaring one up costs 25% of the long side, and the tool takes that crop from the centre unless you intervene. On a landscape shot of a room this is invisible. On a photo of two people standing apart it is a disaster. The same applies to instax SQUARE at 62 × 62 mm; the mini and the WIDE are the two formats that take a phone photo without a fight.

Decide the crop deliberately before you frame it: crop or letterbox the photo to a square first, check that nothing important sits near the edges, then wrap it. Our Polaroid maker also offers portrait (1.25) and landscape (0.75) windows, which the real film never had — useful when the photo genuinely cannot be squared, but they are our invention, not the format’s, and a set of prints mixing window shapes reads as inconsistent rather than as varied.

When it looks wrong

It reads as a white square, not a Polaroid. The chin is too shallow. Check it against 0.297 of the image width — nearly a third — which is deeper than instinct suggests every single time.

The caption doesn’t fit. The chin is a single line by design; that is what it was on the real object. If you need a paragraph, it belongs outside the print, not inside the band.

It prints soft. You are under 300 ppi for the physical size you asked for. Work backwards from the table above: at 5 in tall you need roughly 1,230 px across the short edge to hold 300 ppi, and rather more if you plan to enlarge again later.

It doesn’t sit right next to real prints on the page. Measure the aspect ratio: width ÷ height should be 0.822. Templates that come out near 0.88 are the common error, and a slightly-too-square print in a spread of real ones looks like a printing mistake rather than a stylistic choice.

The prints in your album are all slightly the wrong size. Check which format the album was cut for. The three instax picture areas share a 62 mm dimension and differ on the other one — 46, 62, then 99 mm — so a mini sits in a SQUARE pocket with a gap down one side, and a WIDE sits in neither.

The subject is half out of the window. That is the square crop, not the frame. Fix it before the frame goes on, not after.

Framing and matting an instant print

An instant print already carries its own white border, so a wide mat gives you two frames arguing with each other with a stripe of photograph trapped between. Keep it narrow. The gallery convention of 8–12% of the longest side works out at:

• Polaroid 600 / SX-70 / i-Type (107 mm long side) → 8.6–12.8 mm
• instax mini (86 mm long side) → 6.9–10.3 mm
• Polaroid Go (66.6 mm long side) → 5.3–8.0 mm

Add about 30% to the bottom margin, as with any mat. If you want the generous magazine margin instead, mat a set of three or four as a single piece — the group can carry a wide border that no individual instant print can.

Frequently asked questions

How big is a Polaroid photo?

A Polaroid 600 / SX-70 print is 88 × 107 mm, or 3.46 × 4.21 inches. The picture inside it is smaller again: a 79 mm square, with the rest of the paper making up a third of the object.

How big is the picture on a Polaroid, as opposed to the paper?

The image window is 79 × 79 mm (3.11 × 3.11 in) and it is square. It sits 4.5 mm in from the left, right and top edges, with the remaining 23.5 mm forming the chin at the bottom.

How big is an instax mini?

The film is 86 × 54 mm and the picture area inside it is 62 × 46 mm — a portrait rectangle, not a square. That makes the picture about 61% of the card, close to the same paper-to-picture ratio as a Polaroid.

What are the instax SQUARE and WIDE picture sizes?

SQUARE is 62 × 62 mm; WIDE is 62 × 99 mm, with the 99 mm as the long edge. All three instax formats share that 62 mm dimension. Fujifilm publishes picture areas for these two but no consistent outer film size, so no outer size is quoted here.

Is a Polaroid Go smaller than an instax mini?

In picture area, yes, and by more than most people expect. The Go’s picture is 47 × 46 mm, about 2,162 mm²; an instax mini’s is 62 × 46 mm, about 2,852 mm². The Go holds roughly three-quarters of the picture, in a nearly square shape rather than a portrait one.

Why is the bottom border so much bigger than the others?

Because an integral print carries its own developing chemistry inside the paper, so the band is structural rather than decorative. Writing captions there is a habit that grew up around a piece of engineering.

What is the aspect ratio of a Polaroid?

88 ÷ 107 = 0.822, or 1 : 1.216. Frames rendered at around 0.88 — noticeably squarer — are the most common error in Polaroid templates, and it is visible without measuring anything.

What resolution do I need to print a Polaroid at true size?

About 1,040 × 1,264 px gives you 300 ppi at 88 × 107 mm. Our export runs near 1,400 px on the short edge, which is roughly 400 ppi at true size and still around 340 ppi if you scale the print up to 5 inches tall.

Then make some

Numbers are only interesting if something gets made from them. Wrap a photo in the real film geometry — the frame follows the measurements above, with paper grain, a handwritten caption on the chin and transparent corners so a tilted print drops straight onto a page. Print a set on matte, and the recipe library has the spreads they belong in, from travel journals to a vintage wedding collage where the format is doing half the emotional work before anyone looks at the photographs.