How to check the size of your computer
When using a computer on a daily basis, understanding the size of the computer is very important for scenarios such as purchasing accessories, carrying or installing a monitor stand. This article will introduce in detail how to check the dimensions of your own computer and provide structured data and methods.
1. The meaning of computer size

Computer size usually refers to the diagonal length of the screen in inches (1 inch = 2.54 cm). For example, a 15.6-inch laptop means the screen is 15.6 inches diagonally. In addition, the size of the computer also includes the length, width, and height data of the entire machine. These data are very important for peripheral compatibility (such as computer bags and stands).
2. How to check the computer size
Here are a few common ways to check your computer's dimensions:
| method | Operation steps | Applicable scenarios |
|---|---|---|
| View product manual | Look for the "Screen Size" or "Product Specifications" section in your computer's box or manual. | When purchasing a new computer or retaining the manual |
| Official website inquiry | Visit the official website of the computer brand and enter the model number to check detailed parameters. | Known computer models |
| Measure screen diagonal | Use a tape measure to measure the diagonal length in inches from the lower left corner of the screen to the upper right corner. | When there is no manual or the model cannot be found |
| View system information | In Windows system, right-click "This PC" → "Properties" → View "Device Specifications"; in Mac system, click "About This Mac". | Quickly view some model information |
3. Common computer size comparison table
The following is a comparison table of common sizes for mainstream laptops and monitors:
| Device type | Common sizes (inches) | Typical uses |
|---|---|---|
| laptop | 13.3, 14, 15.6, 17.3 | Office, entertainment, games |
| desktop monitor | 21.5, 24, 27, 32 | Design, audio and video, e-sports |
| 2-in-1 tablet | 10-13.5 | Portable, light office use |
4. Notes on computer size
1.screen ratio: In addition to size, you also need to pay attention to the screen ratio (such as 16:9 or 16:10). Different ratios affect the actual display area.
2.Overall machine size: The screen size and overall size of the laptop may vary due to frame design and need to be measured separately.
3.Resolution matching: Large-size screens need to be paired with high resolution (such as 4K) to ensure clarity.
5. Related hot topics: How to choose the computer size that suits you?
Among the hotly discussed digital topics on the Internet recently, "how to choose the size of a computer" has become one of the focuses. The following are purchasing suggestions summarized by netizens:
| Demand scenario | Recommended size | Reason |
|---|---|---|
| Frequent business trips | 13-14 inches | Portable and lightweight |
| home video | 15.6-17 inches | Large screen makes viewing more comfortable |
| Professional design | 27-inch or above monitor | Larger work area and clearer details |
Summary
Using the methods and structured data described in this article, you can easily see your computer's dimensions and understand what they actually mean. Whether you are measuring, querying or purchasing, having this information can help you use your computer equipment better.
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