Inches to Pixels Converter (300 DPI & Custom DPI)
Calculate exact pixel dimensions for any inch measurement (2 × 2", 4 × 6", 5 × 7", 8 × 10", 8.5 × 11") across web and print DPIs, then resize your photo below.
413 × 531 px
0.22 MP @ 300 DPI
3.5 × 4.5 cm
1 cm = 118.11 px
35 × 45 mm
1 mm = 11.81 px
1.38 × 1.77 in
1 in = 300 px
Formula: px = round((cm ÷ 2.54) × 300) → 3.5 × 4.5 cm = 413 × 531 px
Supports JPG, PNG, HEIC, WEBP, PDF, SVG, TIFF, AVIF, GIF, BMP
No files selected yet. Drag & drop photos, documents or click browse above.
Inches to Pixels Reference Chart (72, 150 & 300 DPI)
Exact pixel equivalents for US photo labs, visa forms, and stationery:
| Print Size (Inches) | At 72 DPI (Screen) | At 150 DPI (Draft/PDF) | At 300 DPI (Photo Lab) |
|---|---|---|---|
| 2 × 2 in (US Visa / Passport) | 144 × 144 px | 300 × 300 px | 600 × 600 px |
| 3.5 × 2 in (US Business Card) | 252 × 144 px | 525 × 300 px | 1050 × 600 px |
| 4 × 6 in (Postcard / 4R) | 288 × 432 px | 600 × 900 px | 1200 × 1800 px |
| 5 × 7 in / 8 × 10 in | 360×504 / 576×720 px | 750×1050 / 1200×1500 px | 1500×2100 / 2400×3000 px |
| 8.5 × 11 in (US Letter) | 612 × 792 px | 1275 × 1650 px | 2550 × 3300 px |
Design & Print Without Blurry Upscaling Surprises
Whether you are preparing a 2 × 2 inch US passport portrait, a 4 × 6 inch NTA NEET postcard upload, or a 3.5 × 2 inch business card with bleed, matching exact pixel count at 300 DPI guarantees tack-sharp edges.
Enter any fractional inch width and height in the calculator above (for example, `3.75 × 2.25 in` for a business card with `0.125"` bleed), click "Resize Photo", and drop your image below to export a calibrated 300 DPI file.
Fractional Inch Precision
Handles 0.125" print bleeds, 2.5 × 3.5" wallet cards, and custom frame sizes accurately.
Live Equivalent Units
Shows simultaneous pixel, centimeter, and millimeter equivalents as you type.
Zero Server Uploads
Every calculation and image resize runs privately on your device.
Related Presets, Calculators & Companion Studios
Jump directly to a pre-configured studio with exact settings locked in:
Convert pixel dimensions to physical inches.
Resize images directly in inches at 300 DPI.
Dedicated 2×2 inch passport & visa resizer.
Convert centimeters to 300 DPI pixels.
Convert millimeters to pixels at any DPI.
Official US DS-160 & passport photo tool.