Free Print Resolution Calculator

The honest answer to "how big can I print?" — based on your camera's real pixel dimensions and the DPI your print lab actually uses.

1 · Your image

Camera (or Custom)

Width (pixels)

Height (pixels)

2 · Print DPI

DPI

💡 Reality check: most photo labs print at 240–300 DPI, and big-wall canvases are usually printed at 150 DPI. 300 DPI is not "required" for large prints — viewing distance matters more than the number.

Result

Print size @ DPI

—

width × height

Megapixels

—

native resolution

Pixels per cm

—

at selected DPI

Other common DPIs

DPI	Print size	Use case

Megapixel print size chart

Maximum print dimensions at the three most common DPIs, for typical camera resolutions (3:2 aspect):

Megapixels	Pixel dimensions	@ 150 DPI	@ 240 DPI	@ 300 DPI
12 MP	4,288 × 2,848	28.6 × 19.0 in	17.9 × 11.9 in	14.3 × 9.5 in
20 MP	5,472 × 3,648	36.5 × 24.3 in	22.8 × 15.2 in	18.2 × 12.2 in
24 MP	6,000 × 4,000	40.0 × 26.7 in	25.0 × 16.7 in	20.0 × 13.3 in
33 MP	7,008 × 4,672	46.7 × 31.1 in	29.2 × 19.5 in	23.4 × 15.6 in
45 MP	8,192 × 5,464	54.6 × 36.4 in	34.1 × 22.8 in	27.3 × 18.2 in
50 MP	8,640 × 5,760	57.6 × 38.4 in	36.0 × 24.0 in	28.8 × 19.2 in
61 MP	9,504 × 6,336	63.4 × 42.2 in	39.6 × 26.4 in	31.7 × 21.1 in
100 MP	11,600 × 8,700	77.3 × 58.0 in	48.3 × 36.3 in	38.7 × 29.0 in

What DPI do you actually need?

300 DPI — the fine-art standard for prints viewed up close (A4 and smaller).
240 DPI — the typical photo-lab ceiling; most labs print at this and it's indistinguishable from 300 in practice.
150 DPI — perfectly fine for large wall prints and canvases viewed from arm's length or more. A 24 MP camera prints 40×27 in at 150 DPI.
Below ~100 DPI — softness becomes visible at normal viewing distances; resize with care.

Print resolution FAQ

Can I print bigger than the calculator says?

Yes — software upscaling (or the lab's own upscaler) can print any size; the calculator shows the size at which every pixel maps cleanly to the DPI grid. Most labs upsample to 300 DPI automatically, and modern AI upscalers make modest enlargements invisible.

Is 300 DPI always better than 150 DPI?

For the same print size, higher DPI means more detail only if the viewing distance is close. A 40-inch print viewed from 6 feet at 150 DPI looks identical to 300 DPI to most eyes. Choose DPI by viewing distance, not by the maximum number.

What DPI should I use for a canvas or metal print?

Canvas: 150 DPI is the norm (the texture hides detail anyway). Metal and acrylic: 240–300 DPI recommended since they're glossy and often viewed close.