DPI stands for Dots Per Inch—how many digital pixels are captured from every linear inch of your physical print. Choosing the right DPI balances crisp detail against manageable file sizes on Google Drive and USB pendrives.
Exact Pixel Output from a Standard 4×6 Inch Postcard Print
| Scan Setting | Output Pixels (4×6 Print) | Max Crisp Reprint Size | Best For |
|---|---|---|---|
| 300 DPI | 1200 × 1800 px | 4×6" (plus full-HD TV viewing) | Large everyday snapshot stacks, travel & casual albums |
| 600 DPI | 2400 × 3600 px | 8×12" / A4 framed wall print | Wedding albums, elders’ portraits, group photos & master archives |
| 1200 DPI | 4800 × 7200 px | 16×24" poster / slide projection | 35mm slides, negatives, miniature locket photos & photo restoration |
Why Over-Scanning Normal Paper Prints at 2400+ DPI Wastes Space
Traditional colour paper prints only hold roughly 300–600 DPI of real optical dye detail; scanning a regular 4×6 paper print at 2400 DPI mostly magnifies paper texture while bloating file sizes 16× larger. For most Mumbai families, 300 DPI for bulk snapshots or 600 DPI for prized albums and portraits hits the sweet spot—learn more on our 600 DPI Bulk Scanning page.
Frequently Asked Questions
Yes! Mixing 600 DPI for milestone albums/portraits and 300 DPI for everyday snapshot boxes is a very smart, cost-effective approach.
At high-quality JPEG settings, 1,000 photos typically take ~1.5–2.5 GB at 300 DPI or ~4–7 GB at 600 DPI—easily fitting onto a single 16 GB or 32 GB pendrive.
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