3:2 Aspect Ratio

3:2 originates from the 35mm film frame, which measures 36mm × 24mm — a 3:2 ratio. It remains the native ratio for most DSLR and mirrorless cameras, and maps directly to common print sizes such as 4×6 inches, 6×9 inches, and 12×18 inches.

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Common 3:2 Dimensions

NameWidthHeightCommon Use
6MP3,0082,000Entry-level DSLR
12MP4,2722,848Mid-range DSLR (e.g., Canon 60D)
24MP6,0004,000Professional DSLR (e.g., Nikon D3200)
36MP7,3604,912High-resolution DSLR (e.g., Nikon D800)

Where is 3:2 Used?

  • DSLR and mirrorless camera sensors
  • 35mm film photography
  • 4×6 and 6×9 inch prints
  • Photo book layouts
  • Professional portrait photography

CSS for 3:2

The CSS padding-bottom trick creates a responsive container that maintains a 3:2 aspect ratio:

Modern (CSS aspect-ratio)

aspect-ratio: 3 / 2;

Legacy (padding-bottom hack)

padding-bottom: 66.6667%;

Frequently Asked Questions

What print sizes match a 3:2 ratio?+
Standard 3:2 print sizes include 4×6 inches, 6×9 inches, 8×12 inches, 12×18 inches, and 20×30 inches. These print sizes will display your full image without cropping.
What is the 3:2 ratio in pixels?+
Any resolution where width ÷ height = 1.5 is a 3:2 ratio. Common examples: 3000×2000, 4500×3000, 6000×4000. Most DSLR cameras capture images natively at 3:2.

Related Aspect Ratios

Platforms Using 3:2

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