Image print fit

Will your image print at the size you need?

Enter your image pixels and intended print size. See the real effective PPI, including what changes when you fit the whole image or crop to fill.

01 / CALCULATECalculations run in this browser

Check print fit

Start with numbers, or load an image to fill the pixel dimensions automatically.

Image dimensions

Finished print

Quick sizes

Artwork that must extend past the trim edge, in the same unit as the finished print. Common requests are 3 mm or 0.125 in — always use your printer’s template.

PPI measures image pixels at final print size. A printer’s ink DPI is different.

LIVE RESULTWaiting for calculation

—PPI at this placement

Print area previewWaiting for calculation
Image on paper
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Image aspect ratio
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Margins or crop
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Pixels to fill at target
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Largest print at target
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Largest print keeps this print aspect ratio and placement mode. “Pixels to fill” covers the finished trim size; enter your printer’s bleed above for the file size including bleed. Focus, compression, paper and printer settings also affect quality.

HOW TO READ THIS

The DPI tag alone cannot tell you if a print will look sharp.

A 3000 × 2000 pixel image contains the exact same detail whether its file tag says 72 or 300 PPI. What dictates print clarity is effective resolution: how many image pixels are distributed across each physical inch of paper.

For a 10 × 8 inch print, this 3000 × 2000 image can fit uncropped with top/bottom margins at 300 PPI. Filling the entire sheet requires cropping the sides and reduces effective density to 250 PPI.

See the exact formulas and limitations →

PRINT RESOLUTION GUIDE

Standard photo print sizes and pixel requirements

Check the minimum pixel dimensions required for common photo prints at gallery quality (300 PPI), standard photo quality (240 PPI), and large format viewing (150 PPI).

Print SizeAspect Ratio300 PPI (Fine Art)240 PPI (Standard)150 PPI (Large Wall Art)
4 × 6 in (10.2 × 15.2 cm)3:21200 × 1800 px960 × 1440 px600 × 900 px
5 × 7 in (12.7 × 17.8 cm)7:51500 × 2100 px1200 × 1680 px750 × 1050 px
8 × 10 in (20.3 × 25.4 cm)5:42400 × 3000 px1920 × 2400 px1200 × 1500 px
8.5 × 11 in (US Letter)1.29:12550 × 3300 px2040 × 2640 px1275 × 1650 px
11 × 14 in (27.9 × 35.6 cm)14:113300 × 4200 px2640 × 3360 px1650 × 2100 px
12 × 18 in (30.5 × 45.7 cm)3:23600 × 5400 px2880 × 4320 px1800 × 2700 px
16 × 20 in (40.6 × 50.8 cm)5:44800 × 6000 px3840 × 4800 px2400 × 3000 px
24 × 36 in (61.0 × 91.4 cm)3:27200 × 10800 px5760 × 8640 px3600 × 5400 px
A4 (21.0 × 29.7 cm)1:√22481 × 3508 px1985 × 2807 px1241 × 1754 px
A3 (29.7 × 42.0 cm)1:√23508 × 4961 px2807 × 3969 px1754 × 2481 px

VISUAL ACUITY SCIENCE

The viewing distance principle: Why 300 PPI isn't always necessary

A one-arcminute visual-acuity assumption gives a useful estimate for how dense image pixels need to be at a given viewing distance. At 12 inches, the estimate is about 287 PPI. Real perception also depends on eyesight, contrast, paper, lighting, and the image itself.

At 5 feet, the same estimate is about 57 PPI. Larger prints are usually viewed farther away, so they may need fewer image pixels per inch than a photo held in the hand. Confirm the target with the actual printer and viewing conditions.

One-arcminute estimate: PPI ≈ 3438 ÷ viewing distance in inches. This is a viewing model, not a print-service specification.

Viewing DistanceExample useOne-arcminute estimate
10 to 14 inchesPhoto albums, books246–344 PPI
2 to 3 feetSmall posters96–143 PPI
4 to 6 feetWall art48–72 PPI
10 feetLarge signage29 PPI
30 feetDistant signage10 PPI

Three things to check before printing

01

Count the pixels

Image width and height in pixels represent the total available visual information. Inspect them directly from your file with our DPI checker.

02

Set the finished size

Enter the exact dimensions the printer will place on paper, excluding extraneous matting or border frames.

03

Choose fit or fill

Fit keeps the full photo without cropping, potentially leaving margins. Fill covers the entire print area, cropping edges where aspect ratios differ.

COMMON QUESTIONS

Print resolution, without the guesswork

Is a 72 DPI image too small to print?

The number in the file header alone cannot answer that. A 3000 × 2000 pixel image contains the exact same pixel detail whether its file tag says 72 or 300 PPI. Enter your intended print dimensions to calculate its true effective PPI on paper.

How large can 3000 × 2000 pixels print at 300 PPI?

Without cropping, its printable area is approximately 10 × 6.67 inches (25.4 × 16.9 cm). On a standard 10 × 8 inch photo sheet, that leaves 1.33 inches of total margin. Filling the 10 × 8 area instead crops the sides and lowers effective density to 250 PPI.

How many pixels do I need for an 8 × 10 inch print at 300 PPI?

For an uncropped 8 × 10 inch print at 300 PPI, you need exactly 2400 × 3000 pixels (7.2 megapixels). If your photo has a 3:2 camera aspect ratio (such as 2400 × 3600 px), you must crop 600 pixels off the length to fit the 4:5 paper ratio.

Will changing a file to 300 DPI make it sharper?

No. Modifying the density metadata header changes only the default physical size suggested to layout software, not the image detail or pixel count. The DPI changer is useful when a print service requires a 300 DPI tag, but check effective PPI at placed size first.

More questions answered →