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DPI calculator for printers — find the optimal resolution for photos, documents, and posters.

Printer DPI Calculator

Free tool by NJ Cloud Printer

Convert DPI settings to PPI and calculate optimal resolution for photos, documents, and large format prints.

Settings

Results

Actual DPI:300
Quality:Excellent
Image size:8.7 MP
✓ Meets target DPI
Needed: 2481 × 3507 px
at 300 DPI on A4

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Frequently Asked Questions

What is the difference between DPI and PPI?

DPI (dots per inch) is printer resolution. PPI (pixels per inch) is image resolution. For quality prints, DPI and PPI should match.

What DPI is good for photo printing?

300 DPI is the standard for high-quality photo prints. 150 DPI is acceptable for documents, while 72 DPI is suitable for web use only.

How many pixels do I need for an A4 print?

For a 300 DPI A4 print (8.27 × 11.69 inches), you need approximately 2480 × 3508 pixels.