DPI, PPI & Image Resolution Tools
Analyze image resolution, inspect embedded DPI metadata, change files to 300 DPI for printing, and calculate pixel-to-print dimensions with zero quality loss.
Drop Photos to Inspect DPI & Resolution
Detects embedded EXIF, JFIF, and PNG pHYs metadata. Set to 300 DPI without quality loss. (Up to 10 photos)
or press Ctrl + V to paste from clipboardCalculate dots per inch from pixel resolution and physical print dimensions.
Calculate screen pixels per inch from display resolution and diagonal size.
Select a standard photo print size and target DPI to compute exact required dimensions.
Given an image's pixel dimensions, determine the maximum physical print size at a specified quality.
Enter physical print requirements to calculate the exact resolution required to avoid blurriness.
Convert digital photo resolution (width and height in pixels) into exact camera megapixels.
Given a target megapixel rating and aspect ratio, calculate exact horizontal and vertical pixel counts.
Calculates the minimum viewing distance where 20/20 human vision cannot distinguish pixels.
Determine the required print resolution based on how far away viewers will stand.
Calculate the minimum pixel dimensions required for large prints based on viewing distance.
Print Size & Resolution Reference Chart
| Standard Print Size | Physical Dimensions | High Quality (300 DPI) | Acceptable (150 DPI) | Minimum Megapixels |
|---|---|---|---|---|
| Passport / Visa Photo | 2 × 2 in (5.1 × 5.1 cm) | 600 × 600 px | 300 × 300 px | 0.36 MP |
| Wallet Print | 2.5 × 3.5 in (6.4 × 8.9 cm) | 750 × 1050 px | 375 × 525 px | 0.79 MP |
| Standard Photo Print | 4 × 6 in (10.2 × 15.2 cm) | 1200 × 1800 px | 600 × 900 px | 2.16 MP |
| Medium Photo Frame | 5 × 7 in (12.7 × 17.8 cm) | 1500 × 2100 px | 750 × 1050 px | 3.15 MP |
| Gallery Wall Frame | 8 × 10 in (20.3 × 25.4 cm) | 2400 × 3000 px | 1200 × 1500 px | 7.20 MP |
| A4 International Document | 8.27 × 11.69 in (21.0 × 29.7 cm) | 2480 × 3508 px | 1240 × 1754 px | 8.70 MP |
| Large Exhibition Print | 11 × 14 in (27.9 × 35.6 cm) | 3300 × 4200 px | 1650 × 2100 px | 13.86 MP |
| A3 Poster | 11.69 × 16.54 in (29.7 × 42.0 cm) | 3508 × 4960 px | 1754 × 2480 px | 17.40 MP |
| Medium Wall Poster | 16 × 20 in (40.6 × 50.8 cm) | 4800 × 6000 px | 2400 × 3000 px | 28.80 MP |
| Large Wall Art | 24 × 36 in (61.0 × 91.4 cm) | 7200 × 10800 px | 3600 × 5400 px | 77.76 MP |