Print Size & Passport Photo Resizer

What DPI do I need for printing photos?

300 DPI is the standard for high-quality photo printing. 150 DPI is acceptable for large posters viewed from distance. Below 150 DPI, images appear pixelated up close.

What size photo do I need for a passport?

Most countries use 35x45mm (3.5x4.5cm). The US passport photo is 2x2 inches (51x51mm). At 300 DPI, this requires at least 413x531 pixels or 600x600 pixels for US.

How do I resize an image for A4 printing?

A4 at 300 DPI requires 2480x3508 pixels. If your image is smaller, it will print at lower quality. For full-page prints, ensure your source image meets or exceeds these dimensions.

What is the best image size for 4x6 photo prints?

4x6 inches at 300 DPI requires 1200x1800 pixels minimum. Most phone cameras easily exceed this. Crop to 2:3 aspect ratio to match the print dimensions exactly.

How do I resize for wallet-size photos?

Wallet photos are typically 2.5x3.5 inches. At 300 DPI, you need at least 750x1050 pixels. Create multiples on a single sheet for efficient printing.

What size image do I need for an 8x10 print?

8x10 inches at 300 DPI requires 2400x3000 pixels. Most modern smartphone cameras (12MP+) can produce this resolution. Verify your image dimensions before ordering prints.

Can I print a low-resolution photo at large sizes?

Not with good quality. A 1000px wide image prints well at 3.3 inches. Printing it at 8 inches drops to 125 DPI, causing visible pixelation. Always check resolution before ordering large prints.

How do I check if my photo is high enough quality for printing?

Divide pixel dimensions by 300. A 3000x2000 pixel image prints sharp at 10x6.7 inches maximum. For larger prints, reduce to 150 DPI (divide by 150) for acceptable quality.