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Artwork size guide
Choosing a size is two questions, not one: which size suits the wall, and whether your file will hold up at it. The second is the one that cannot be fixed afterwards, so it is answered first here — with the actual pixel dimensions, not a rule of thumb.
The same sizes across framed prints, canvas and posters, so a set can be mixed. Canvas also runs to supersize, and anything can be cut to your own measurement.
| Size | Framed print | Canvas | Poster |
|---|---|---|---|
| Small — 30 × 30 cm | ✓ | ✓ | ✓ |
| Medium — 45 × 60 cm | ✓ | ✓ | ✓ |
| Medium large — 60 × 80 cm | ✓ | ✓ | ✓ |
| Large — 75 × 100 cm | ✓ | ✓ | ✓ |
| Extra large — 90 × 120 cm | ✓ | ✓ | ✓ |
| Supersize — 140 × 190 cm | — | ✓ | — |
| Custom | ✓ | ✓ | ✓ |
This is arithmetic: centimetres ÷ 2.54 × dpi. What is a judgement is the dpi, and ours is deliberately not 300 — that figure is for something held in the hand. A picture on a wall is read from a metre or two away, where 150 dpi is comfortable and 100 is ordinary. Demanding 300 at 90 × 120 cm would tell most people their photograph is unusable when it is not.
| Size | At 150 dpi — comfortable | At 100 dpi — the floor | What carries it |
|---|---|---|---|
| 30 × 30 cm | 1772 × 1772 px | 1181 × 1181 px | Almost any photograph, including a messaging-app copy |
| 45 × 60 cm | 2657 × 3543 px | 1772 × 2362 px | A phone photograph, easily |
| 60 × 80 cm | 3543 × 4724 px | 2362 × 3150 px | A 12 MP phone photograph lands here at about 128 dpi — comfortable on a wall |
| 75 × 100 cm | 4429 × 5906 px | 2953 × 3937 px | A camera file, or a phone photograph at about 102 dpi — acceptable, not generous |
| 90 × 120 cm | 5315 × 7087 px | 3543 × 4724 px | A camera file. A 12 MP phone reaches about 85 dpi, which shows if you stand close |
| 140 × 190 cm | 8268 × 11220 px | 5512 × 7480 px | A high-resolution camera file, a scan, or vector artwork |
Send us the file before you commit to a size. We check it against the finished size and tell you the largest it holds up at — before printing, which is the only time that information is any use. And send the original, not a copy that has been through a messaging app: that copy is usually a fraction of the pixels.
A stretched canvas folds around the frame, so a band of the image disappears over the edge — roughly the depth of the bar on every side. Anything that matters, a face or a horizon or a signature, has to sit well inside. Tell us it is for canvas and we allow for the wrap rather than cropping your subject into it.
The size you choose is the image. Add a mount and the frame grows by the width of the border on all four sides, which is what you measure for on the wall. It is worth deciding the mount before measuring the space, not after.
Our sizes have fixed proportions and a camera file rarely matches one exactly. Something has to give: crop the image, or leave a margin. We will show you the crop before printing rather than deciding for you — it is the step where a head loses its top.
A picture read from across a room can be larger and softer than one beside a desk. For a corridor or a reception, go bigger and worry less about dpi; for something at arm’s length, go smaller and sharper. The wall width is a limit, not the answer.
The largest original you have, however it reaches us. PDF, TIFF, PNG and JPG are all fine; a vector file — PDF, AI or SVG — has no size limit at all and is the right answer for a logo, a certificate or anything drawn rather than photographed. What costs quality is a copy: a photograph forwarded through a messaging app is compressed and resized, often to a fraction of the original, and no amount of printing skill brings that back. If the only copy you have is that one, send it anyway and we will tell you honestly what it will carry.
None of this applies to wallpaper or a wall mural. A wall is not chosen from a list of sizes — it is measured, and printed to that measurement, and we add the printed allowance ourselves rather than asking you to order larger. If that is what you are planning, the wallpaper pages cover measuring, the allowance and installation, and this guide is not the one you want.
An ordinary 12 MP phone photograph (about 4032 × 3024 pixels) lands at roughly 128 dpi on a 60 × 80 cm print, which is comfortable on a wall, and about 102 dpi at 75 × 100 cm, which is acceptable if you are not standing close. At 90 × 120 cm it is down to about 85 dpi and it will show. A newer phone shooting at higher resolution goes further. Send the file and we will tell you exactly, rather than guessing from the phone.
Because 300 dpi is the standard for something held in the hand — a book, a brochure, a business card. A picture on a wall is read from a metre or more, where the eye cannot resolve that detail. Holding wall art to 300 dpi would mean telling most customers their photograph is unusable when it will print perfectly well. We work to 150 dpi as comfortable and 100 as the floor, and we tell you when a file falls below it.
Roughly the depth of the stretcher bar on each side, because the canvas folds around the frame and that band is no longer facing the room. On a standard bar that is a few centimetres all round. It matters most with a face near the edge, a horizon, or a signature. Tell us the print is for canvas and we lay the image out with the wrap allowed for.
No — the size you choose is the image. A mount adds its own width on all four sides, so the finished frame is larger than the size on the list. Decide whether you want a mount before you measure the wall, because it is the difference between a frame that fits an alcove and one that does not.
Something has to give: either the image is cropped to the proportion, or it sits with a margin inside the frame. Neither is wrong, but the choice is yours rather than ours — we show you the crop before printing. This is the step where a head quietly loses its top, which is why we do not do it silently.
Yes. Everything is cut to measure, so an odd size is ordinary work rather than a special request — these are just the sizes people ask for most. Send the measurement and the file and it is priced the same way.
No, and that is worth saying plainly. A wall is measured rather than chosen from a list: you send the finished wall size and we print to it, adding the allowance ourselves. If you order a wall "larger to be safe" you are paying for paper you will cut off. The wallpaper pages cover measuring, the allowance and installation.
The largest original you have — PDF, TIFF, PNG or JPG all work. For a logo, a certificate or anything drawn rather than photographed, a vector file (PDF, AI or SVG) has no size limit at all and is always the better answer. Avoid a copy that has been through a messaging app: it is compressed and resized, usually to a fraction of the original, and that cannot be recovered.
Reviewed 2026-10-04
