What Size is a 4x6 Photo? Complete Dimensions, Pixels & Framing Guide
4x6photo Engineering & Photography Team
Fact-Checked & Verified on Canon SELPHY & Lab Kiosks
Key Takeaways & Summary for Quick Reading
- ▪ Exact Imperial Size: 4 inches by 6 inches (or 6x4 inches in landscape mode).
- ▪ Exact Metric Size: 10.16 centimeters by 15.24 centimeters (101.6 x 152.4 mm).
- ▪ Standard Aspect Ratio: 3:2 (derived from classic 35mm film negatives).
- ▪ Lab Quality Pixel Target: 1200 x 1800 pixels at 300 DPI (2.16 Megapixels).
- ▪ Matching Envelope Size: A6 Envelope (measuring 4.75 x 6.5 inches).
A standard 4x6 photo size measures 4 inches wide by 6 inches long (10.16 x 15.24 cm). It is the universal standard for family albums, desk picture frames, and 1-hour photo kiosks at Walgreens, CVS, and Walmart.
📏 4x6 Photo Dimensions Master Summary Table
| Imperial (Inches): | 4.0" × 6.0" (Landscape: 6.0" × 4.0") |
|---|---|
| Metric (Centimeters): | 10.16 cm × 15.24 cm |
| Metric (Millimeters): | 101.6 mm × 152.4 mm |
| Aspect Ratio: | 3:2 (Horizontal) / 2:3 (Vertical) |
| 300 DPI Resolution (Lab Quality): | 1200 × 1800 pixels (2.16 Megapixels) |
| 200 DPI Resolution (Home Quality): | 800 × 1200 pixels (0.96 Megapixels) |
| Matching Envelope Size: | A6 Envelope (4.75" × 6.5") |
Standard 4x6 print dimensions overview chart: inches, cm, and target print pixels.
Crop Any Picture to 4x6 Inches Online for Free
Need to crop a portrait or family photo to fit 4x6 paper? Our client-side cropper converts JPG, PNG, and iPhone HEIC files safely inside your browser.
Crop Photo to 4x6 Free →Camera & Smartphone Sensor Aspect Ratio Comparison
When printing digital photos, aspect ratio mismatches are the primary reason why subjects get accidentally cropped off:
| Camera / Sensor Type | Native Aspect Ratio | Compatibility with 4x6 | Recommended Action |
|---|---|---|---|
| DSLR & Mirrorless Cameras | 3:2 | ✅ Perfect 100% Match | Direct print without cropping |
| iPhone & iPad Cameras | 4:3 | ⚠️ Minor Edge Crop Needed | Trim 11% off top/bottom to fit 3:2 |
| Android Smartphones | 16:9 or 20:9 | ❌ Significant Crop Required | Frame subject inside 3:2 cropper |
Frequently Asked Questions
What is the difference between 4x6 and 6x4 photos?
They are identical in physical paper dimensions (4 x 6 inches / 10.16 x 15.24 cm). 4x6 traditionally refers to vertical orientation (portrait), while 6x4 refers to horizontal orientation (landscape).
What resolution is best for printing 4x6 photos?
1200 x 1800 pixels at 300 DPI produces crisp, professional photo-lab quality. For home printing on standard inkjet printers, 800 x 1200 pixels (200 DPI) is fully acceptable.
What envelope size fits a 4x6 photo?
An A6 envelope (measuring 4.75 x 6.5 inches) is specifically tailored to fit 4x6 photo prints, greeting cards, and postcards with comfortable clearance for mailing via USPS.