PixelSizes

Photo print size in pixels

8×12 Print Size in Pixels

An 8 × 12 inch print needs 2400 × 3600 pixels at 300 PPI. It measures 20.32 × 30.48 cm and has a 2:3 aspect ratio.

8 × 12 in at 300 PPI: 2400 × 3600 px (8.6 MP)

At 240 PPI: 1920 × 2880 px · at 150 PPI: 1200 × 1800 px

8×12 in pixels at each density

Multiply each inch dimension by the density. The results are exact because both sides are whole inches.

8 × 12 inch print in pixels
DensityPortraitLandscapeMegapixels
150 PPI1200 × 18001800 × 12002.2
200 PPI1600 × 24002400 × 16003.8
240 PPI1920 × 28802880 × 19205.5
300 PPI2400 × 36003600 × 24008.6

Calculate a canvas with your own settings

Your dimensions

On your device

Presets set the finished print size and unit. PPI and rounding remain your choice.

The desired finished width, before any bleed.

The desired finished height, before any bleed.

Applies to both dimensions.

Use your print provider’s requirement when available.

Nearest is a conventional approximation; round up meets at least the target PPI on both axes.

Use a decimal point, without commas. Physical lengths and PPI accept up to 4 decimal places.

Example result

2,400 × 3,600 pixels

8 × 12 in at 300 PPI · nearest pixel

Total pixels
8.64 MP
Width density
300 PPI
Height density
300 PPI
Canvas proportionsPixel canvas · proportions only
Illustrative geometry · proportions, not actual screen size

Nearest-pixel rounding can fall slightly below the target on one axis. Use Round up when the target is a strict minimum.

This is the canvas size. Changing a file’s PPI metadata alone does not create these pixels.

Calculation details & inputs
Inputs used for this result
Print width8
Print height12
Size unitInches (in)
Target resolution300 PPI
Pixel roundingNearest whole pixel
Result details · 6 decimals or 3 significant digits for tiny values
Required width (px)2,400
Required height (px)3,600
Exact width before rounding (px)2,400
Exact height before rounding (px)3,600
Effective width PPI300
Effective height PPI300

Will my photo fit 8×12 without cropping?

8 × 12 inches keeps the 2:3 proportion of most cameras, so it enlarges a full 3:2 frame without cropping.

Largest centered 12:8 landscape crop from example source sizes
Example sourceCropped pixelsImage keptDensity at 12 × 8 in
3:2 camera frame6000 × 4000 px6000 × 4000100%500 PPI
4:3 phone frame4032 × 3024 px4032 × 268888.9%336 PPI
16:9 video frame3840 × 2160 px3240 × 216084.4%270 PPI

Example source sizes illustrate common proportions; enter your own dimensions in the crop calculator or image print checker.

How many megapixels does a 8×12 print need?

At 300 PPI the print needs 8.6 megapixels after any crop; at 240 PPI, 5.5 MP; at 150 PPI, 2.2 MP. These are arithmetic targets, not a promise of print quality: focus, noise and viewing distance matter too.

Changing an image’s PPI setting without resampling only changes its intended print size. Read what changing DPI actually does before upsizing a file.

Other photo sizes in pixels