Print size · US

4×6 in print size

Exactly how many pixels a 4×6 in print needs — and how much your camera's frame gets cropped.

2.2 MP
Needed at 300 DPI
1.0 MP
Needed at 200 DPI
15.2×10.2 cm
Size in cm
1.50:1
Aspect ratio
11 in
Typical viewing distance

Pixels needed for a 4×6 in print#

At normal viewing distance (≈1.5× the diagonal, 0.3 m) about 200 DPI is indistinguishable from 300 DPI for most viewers.

ResolutionQualityPixel dimensionsMegapixels
360 DPIExceptional (close inspection)2,160 × 1,440 px3.1 MP
300 DPIPhoto-lab standard1,800 × 1,200 px2.2 MP
240 DPIFine-art inkjet1,440 × 960 px1.4 MP
200 DPILarge wall print1,200 × 800 px1.0 MP
150 DPIPoster, viewed from 1 m+900 × 600 px0.5 MP
100 DPIBillboard / banner600 × 400 px0.2 MP

Cropping from your camera#

Camera aspect ratioWhat happensImage kept
3:2 (full frame, APS-C)No crop needed100%
4:3 (MFT, phones)Crop the short side89%
16:9Crop the long side84%
1:1Crop the short side67%
Maximum print size—
In centimetres—
Megapixels · aspect ratio—

Will my camera be enough?#

A 24 MP camera (6000 × 4000 px) prints 1000 DPI on the long side at 4×6 in — more than enough. A 12 MP phone (4032 × 3024) gives 672 DPI. See the 2 megapixel guide.

The standard photo-lab print; matches 3:2 cameras exactly.

Other print sizes#

Wallet (2.5×3.5 in)3.5×5 in5×5 in5×7 in6×8 in8×8 in8×10 in8.5×11 in (US Letter)8×12 in10×10 in11×14 in12×12 in11×17 in (Tabloid)12×16 in12×18 in13×19 in (Super B / A3+)16×20 in16×24 in18×24 in20×24 in20×30 in24×30 in24×36 in30×40 in40×60 inA6 (105×148 mm)A5 (148×210 mm)A4 (210×297 mm)A3 (297×420 mm)A3+ (329×483 mm)A2 (420×594 mm)A1 (594×841 mm)A0 (841×1189 mm)10×15 cm13×18 cm20×30 cm30×40 cm30×45 cm40×60 cm50×70 cm60×90 cm

Frequently asked questions#

How many megapixels do I need for a 4×6 in print?

2.2 MP for 300 DPI photo-lab quality, 1.0 MP at 200 DPI, and 0.5 MP at 150 DPI.

What resolution is 4×6 in at 300 DPI?

1,800 × 1,200 pixels.

Last updated October 03, 2026 · How we calculate · Sources