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Calculate print dimensions from pixels and DPI/PPI
| DPI | Width (in) | Height (in) | Width (cm) | Height (cm) | Quality |
|---|---|---|---|---|---|
| 72 | 41.67 | 27.78 | 105.8 | 70.6 | Low |
| 150 | 20.00 | 13.33 | 50.8 | 33.9 | Medium |
| 300 | 10.00 | 6.67 | 25.4 | 16.9 | High |
| 600 | 5.00 | 3.33 | 12.7 | 8.5 | High |
| 1200 | 2.50 | 1.67 | 6.3 | 4.2 | High |
DPI (Dots Per Inch): Refers to printer output - how many ink dots the printer places per inch.
PPI (Pixels Per Inch): Refers to screen/image resolution - how many pixels per inch in a digital image.
For printing: 300 DPI is standard for high-quality prints. 150 DPI is acceptable for viewing from a distance. 72 DPI is web resolution only.
300 DPI is the standard for high-quality photo prints and professional documents. Use 150-200 DPI for large posters or banners viewed from a distance. 72 DPI is only suitable for web/screen display.
No. Increasing DPI without adding pixels (upsampling) just makes the print smaller or creates blurry results if stretched. To print larger at high quality, you need an image with more pixels from the start.
PPI (Pixels Per Inch) refers to digital image resolution, while DPI (Dots Per Inch) refers to printer output. For practical purposes, they are often used interchangeably, though technically different.
For an 8×10 inch print at 300 DPI, you need 2400×3000 pixels, which equals 7.2 megapixels. Most modern smartphones (12+ MP) have more than enough resolution for standard prints.
Screens typically display at 72-96 PPI, while prints need 300 DPI for quality. An image that looks sharp on screen may only be 1000 pixels wide, which prints clearly at 3.3 inches but pixelates when enlarged.
Beyond 300 DPI, improvements are minimal for most printing. Professional art reproductions may use 600+ DPI, but for standard photos, 300 DPI provides excellent quality and 150-200 DPI is acceptable for casual viewing.