Pixel ↔ print size

Pixels to print size calculator

Find how large an image can print at a chosen PPI, or work backward from a finished size to the minimum whole pixels needed.

TWO-WAY CALCULATORExact unit conversion · 1 in = 25.4 mm

Pixels → print size

Printable dimensions——

Print size → pixels

Quick sizes
Minimum pixel dimensions—Each side rounds up to a whole pixel.

THE MATH

Simple formulas, precise rounding.

Print inches = image pixels ÷ PPI. For a 3000 × 2000 pixel image at 300 PPI, the size is approximately 10 × 6.67 inches (25.4 × 16.9 cm).

Required pixels = print inches × PPI. For an 8 × 10 inch print at 300 PPI, you need at least 2400 × 3000 pixels. Our calculator rounds upward so your target density is never compromised.

These calculations assume the photo and print share the same aspect ratio. If they differ, use the print fit calculator to inspect edge cropping and border margins.

SENSOR TO PRINT CHART

Camera megapixels to maximum print size reference

Illustrative uncropped pixel dimensions. Camera models and crop ratios vary; divide the actual width and height of your file by the chosen PPI.

Camera ResolutionTypical DimensionsMax Size @ 300 PPIMax Size @ 240 PPIMax Wall Art @ 150 PPI
12.0 MP example4000 × 3000 px13.3 × 10.0 in (34 × 25 cm)16.7 × 12.5 in (42 × 32 cm)26.7 × 20.0 in (68 × 51 cm)
24.0 MP example6000 × 4000 px20.0 × 13.3 in (51 × 34 cm)25.0 × 16.7 in (64 × 42 cm)40.0 × 26.7 in (102 × 68 cm)
32.7 MP example7008 × 4672 px23.4 × 15.6 in (59 × 40 cm)29.2 × 19.5 in (74 × 49 cm)46.7 × 31.1 in (119 × 79 cm)
45.4 MP example8256 × 5504 px27.5 × 18.3 in (70 × 47 cm)34.4 × 22.9 in (87 × 58 cm)55.0 × 36.7 in (140 × 93 cm)
60.2 MP example9504 × 6336 px31.7 × 21.1 in (80 × 54 cm)39.6 × 26.4 in (101 × 67 cm)63.4 × 42.2 in (161 × 107 cm)

COMMERCIAL PRINTING RULES

Understanding full bleed and safe margins

For a print job that requires full bleed, extend the artwork beyond the final trim line. The required amount varies by print provider and product, so check its template before preparing the file.

Example with 0.125 inch (3.175 mm) bleed on each side: an 8 × 10 inch finished print needs an 8.25 × 10.25 inch artwork canvas. At 300 PPI, that is at least 2475 × 3075 pixels.

Safe zone: Keep text and important details inside the printer’s specified safe area. A 0.25 inch inset is one example, not a universal requirement.

PRINT MATH FAQ

Frequently asked questions about print dimensions

How do you convert pixels to print inches?

Divide the pixel dimension by the desired PPI (Pixels Per Inch). Formula: Print Inches = Image Pixels ÷ PPI. For example, 3000 pixels ÷ 300 PPI = 10 inches.

How do you calculate pixels from inches and PPI?

Multiply the print size in inches by your target PPI, rounding up to the next whole pixel. Formula: Required Pixels = Math.ceil(Print Inches × PPI). For an 8 × 10 inch print at 300 PPI: 8 × 300 = 2400 px, and 10 × 300 = 3000 px.

How does camera megapixel count affect print size?

A 24-megapixel sensor captures approximately 6000 × 4000 pixels. At 300 PPI, this enables a maximum native print of 20 × 13.3 inches without upscaling. At 150 PPI (suitable for wall art), it can cleanly print up to 40 × 26.7 inches.

What is full bleed and why do printers ask for it?

Full bleed means artwork extends beyond the final trim line so a small cutting shift does not leave a white edge. A common example is 1/8 inch of extra artwork on each side, but use the bleed and safe-zone measurements in your printer’s template.

More questions answered →