How to Calculate 3:2 Aspect Ratio Dimensions

Enter one known dimension, choose your units, and read the matching side of a 3:2 rectangle along with the diagonal length.

  1. 1. Enter a Known Dimension: Enter the width or height you already know for your image, display, print, or design project.
  2. 2. Choose the Appropriate Unit: Select pixels, inches, centimeters, millimeters, feet, or meters so the result is shown in the unit that matches your workflow.
  3. 3. Calculate the Missing Dimension: The calculator uses the 3:2 ratio to compute the matching width or height, keeping the shape proportional.
  4. 4. Review the Results: Read the calculated width and height in your chosen unit, along with the diagonal length of the resulting rectangle.

What Is a 3:2 Aspect Ratio?

A 3:2 aspect ratio means the width is 3 units for every 2 units of height. In landscape orientation, the width is 1.5 times the height:

Width ÷ Height = 3 ÷ 2 = 1.5

Because the ratio describes a relationship rather than a fixed size, any width and height that share this proportion will be 3:2 — from a small web graphic up to a full-resolution photograph. Only the scale and pixel count change; the shape stays the same. The table below shows what that looks like at typical resolutions.

Rotated to portrait orientation, the shape becomes 2:3 — the width is now 2 units for every 3 units of height.

Common 3:2 Aspect Ratio Dimensions and Sizes

These are widely used 3:2 dimensions, with their approximate megapixel count and a typical use case. None of them is mandatory — the right size depends on your project.

Width × HeightApproximate megapixelsExample application
900 × 6000.54 MPSmall digital images
1500 × 10001.5 MPWeb graphics and image previews
3000 × 20006 MPDigital photography
4500 × 300013.5 MPHigh-resolution photographs
6000 × 400024 MPDetailed photography and larger prints

Megapixels are calculated by multiplying width by height, then dividing by one million. For example, 3000 × 2000 = 6,000,000 pixels, or 6 MP. These are examples, not universal recommendations — you can scale any 3:2 dimension up or down as long as both sides keep the same proportion.

Where Is the 3:2 Aspect Ratio Used?

The 3:2 shape appears in several practical contexts. It is not universal — different media have their own preferred ratios — but it is common enough that many workflows encounter it regularly.

Photography and Camera Images

3:2 is a common format for still photography, particularly images captured by many DSLR and mirrorless cameras. Typical pixel dimensions include 3000 × 2000 and 6000 × 4000. When you resize a photo proportionally, keeping the 3:2 photography aspect ratio intact helps preserve the original framing and composition without stretching or squashing the image. That said, this is a common ratio, not a universal one — some cameras default to 4:3 or other formats, so it is worth checking the settings on your own equipment if the exact shape matters.

Video and Video Projects

3:2 dimensions can be used for custom video frames, creative projects, and content designed for a specific display or workflow. Whether 3:2 is the right choice depends on the intended playback target — see the FAQ below on video compatibility.

Screens and Displays

An aspect ratio describes the proportional relationship between a display's width and height. A 3:2 display is taller than a 16:9 display of the same width, which gives more vertical space. Some laptops and tablets use 3:2 panels, while 16:9 remains the most common ratio for desktop monitors and televisions. If you are working with a specific device, its 3:2 screen ratio or 3:2 display resolution matters more than a generic standard — check the manufacturer's published specifications rather than assuming.

Digital Images and Graphics

3:2 dimensions can be useful when creating digital images, custom graphics, image assets, and layouts that need a consistent 1.5-to-1 shape. Whether 3:2 is the right choice depends on the intended output — many websites and social platforms use other ratios, so it is worth checking the target before settling on dimensions.

Printing and Photo Sizes

The 3:2 ratio maps directly to several common print sizes, including 6 × 4 inches, 9 × 6 inches, and 12 × 8 inches. These all share the same proportions when the first number is the width and the second is the height. Print quality also depends on the pixel dimensions and the desired print resolution (typically measured in dots per inch) — the ratio alone does not determine sharpness.

How to Calculate a 3:2 Aspect Ratio

The math is simple and works in both directions. In landscape orientation:

  • Width = Height × 3 ÷ 2
  • Height = Width × 2 ÷ 3

Example 1 — known width. If the width is 1500 pixels: Height = 1500 × 2 ÷ 3 = 1000 pixels. The resulting dimensions are 1500 × 1000.

Example 2 — known height. If the height is 2000 pixels: Width = 2000 × 3 ÷ 2 = 3000 pixels. The resulting dimensions are 3000 × 2000.

The same formulas apply to any length unit — pixels are just one common case. If you enter a width in centimeters, the calculated height is also in centimeters, and the 3:2 relationship is preserved regardless of the unit.

3:2 Aspect Ratio Calculator – Dimensions & Sizes

Frequently Asked Questions

Q: What is a 3:2 aspect ratio in pixels?

There is no single pixel size — 3:2 is a ratio, not a resolution. Any width and height that are 3 to 2 will be a 3:2 image, so 900 × 600, 3000 × 2000, and 6000 × 4000 are all valid 3:2 dimensions in pixels.

Q: Is 3000 × 2000 a 3:2 resolution?

Yes. 3000 ÷ 2000 = 1.5, which is exactly the 3:2 ratio.

Q: Is 6000 × 4000 a 3:2 aspect ratio?

Yes. 6000 ÷ 4000 = 1.5, so it is a 3:2 image. It is also 24 megapixels.

Q: What is the difference between a 3:2 and a 16:9 aspect ratio?

A 3:2 image is relatively taller than a 16:9 image of the same width. 3:2 is 1.5, and 16:9 is about 1.78 — noticeably wider and shorter. 16:9 is the standard for widescreen video and most modern TVs and monitors, while 3:2 is more common in photography.

Q: What does 3:2 mean in photography?

3:2 is the sensor shape inherited from 35mm film, used today by many DSLR and mirrorless cameras. A 3:2 photo is wider than it is tall, with the width 1.5 times the height.

Q: Can I use a 3:2 aspect ratio for video?

You can, and some creative or custom projects do — but 16:9 is far more common for video playback. Most platforms and players expect 16:9, so check your target before choosing 3:2 to avoid black bars or unwanted cropping.

Q: Can this calculator crop an image to a 3:2 aspect ratio?

No. The calculator gives you the matching width and height for a 3:2 frame, but it does not crop, resize, or export image files. Use the calculated dimensions as the target when you crop or resize the image in an image editor.

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