How many pixels is a 4x6 photo at 300 DPI?

A 4×6 inch photo at 300 DPI is 1200×1800 pixels (2.16 megabytes). This is the standard resolution for high-quality photo prints.

What DPI should I use for printing photos?

Use 300 DPI for standard photo prints. 150 DPI is acceptable for large format prints (posters). 72 DPI is screen resolution only.

Print Size

Resolution (DPI)

Common Sizes at 300 DPI

Print Size	Width (px)	Height (px)	Total Pixels

DPI (Dots Per Inch) determines print quality. Higher DPI = sharper prints but larger files.

72 DPI: Standard screen resolution. Fine for web viewing.

300 DPI: Standard for high-quality photo prints. Recommended for most printing.

Formula: Pixels = Inches × DPI. A 4×6" photo at 300 DPI = 1200×1800 pixels.