How Do You Measure Laptop Size?

Content Menu

● Understanding Laptop Size: What Does It Really Mean?

>> Why Measuring Laptop Size Matters

● How to Measure Laptop Size: Step-by-Step Guide

>> 1. Measuring the Screen Size (Diagonal)

>> 2. Measuring Width

>> 3. Measuring Depth (Thickness)

>> 4. Measuring Height

>> 5. Converting Units

>> 6. Double-Check Manufacturer Specifications

● Common Laptop Screen Sizes and Their Dimensions

● Practical Tips for Measuring and Choosing Accessories

● Beyond the Basics: Other Factors to Consider

>> Bezel Size and Modern Laptops

>> Weight and Portability

>> Special Shapes and 2-in-1 Devices

>> International Unit Conversions

● Measuring Without a Tape Measure

● Real-World Examples

● Common Mistakes and How to Avoid Them

● Conclusion

● Frequently Asked Questions (FAQ)

>> 1. How do I measure my laptop screen size accurately?

>> 2. Why is my laptop's "inch size" different from its physical width?

>> 3. How much bigger should my laptop bag or sleeve be compared to my laptop?

>> 4. Can I find my laptop's size in the system settings or online?

>> 5. Does the thickness (depth) of my laptop matter when choosing a bag?

● Citations:

In today's digital world, laptops are essential tools for work, study, and entertainment. Whether you're shopping for a new laptop bag, sleeve, or simply want to understand your device's specifications, knowing how to accurately measure your laptop size is crucial. This comprehensive guide will walk you through every aspect of measuring laptop size, explain why it matters, and answer the most common questions users have about this topic.

Understanding Laptop Size: What Does It Really Mean?

Before diving into the measuring process, it's important to clarify what "laptop size" actually refers to. Most people think of the advertised size (like 13-inch, 15-inch, or 17-inch) as the overall size of the laptop, but in reality, this number represents the diagonal measurement of the display screen, not the device's physical dimensions[2][3][4][5]. The actual size of your laptop includes its width, depth (thickness), and height.

Why Measuring Laptop Size Matters

- Choosing the Right Bag or Sleeve: A snug fit protects your laptop from bumps and scratches, while a too-tight or too-loose bag can lead to damage[1][3][6].

- Workspace Planning: Knowing your laptop's dimensions helps you organize your workspace or choose accessories like stands and docks.

- Comparing Models: Accurate measurements help you compare laptops beyond just screen size, considering portability and usability.

How to Measure Laptop Size: Step-by-Step Guide

Let's break down the process into clear, actionable steps.

1. Measuring the Screen Size (Diagonal)

The most common way to describe a laptop's size is by its screen's diagonal length. Here's how to do it:

- Close your laptop for easier handling.

- Place a measuring tape or ruler at the bottom left corner of the screen (not the bezel).

- Stretch it diagonally to the top right corner of the screen, again avoiding the bezel[2][3][4][5][6].

- Record the measurement in inches (1 inch = 2.54 cm). This is your laptop's "inch size" (e.g., 15.6 inches).

> Note: The bezel is the frame around the screen. Only measure the visible display area, not the surrounding casing[2][3][5].

2. Measuring Width

- With the laptop closed, lay it flat on a surface.

- Place the tape measure horizontally across the widest part, from left to right[1][3][6].

- Record the width in centimeters or inches.

3. Measuring Depth (Thickness)

- Keep the laptop closed.

- Place the tape measure vertically from the bottom to the top edge (front to back) at the thickest point[1][3][6].

- Record the depth/thickness.

4. Measuring Height

- Again, with the laptop closed,

- Measure from the base to the topmost point (often the back edge if the laptop is sloped)[1][3][6].

- Record the height.

5. Converting Units

If you measured in centimeters and need inches, divide the value by 2.54[4][5].

Example:

If your screen diagonal is 38 cm:

2.54/38≈14.96 inches (rounded to 15 inches).

6. Double-Check Manufacturer Specifications

If you want to confirm your measurements, you can check your laptop's model number (often found on the bottom of the device or in system settings) and look up the official specifications on the manufacturer's website[5].

Common Laptop Screen Sizes and Their Dimensions

Here's a quick reference for typical laptop screen sizes and their approximate measurements[4][5]:

*Note: Actual device dimensions may vary due to bezel thickness and design.*

Practical Tips for Measuring and Choosing Accessories

- Always measure with the laptop closed for width, depth, and height[1][3][6].

- Add 1–2 cm (or about half an inch) to your measurements when choosing a bag or sleeve for a comfortable fit[1][3].

- Check the orientation of the laptop compartment in bags (vertical for backpacks, horizontal for briefcases)[3].

- Avoid cases that are too tight (risk of damage) or too loose (risk of sliding and poor protection)[1][3][4][6].

Beyond the Basics: Other Factors to Consider

Bezel Size and Modern Laptops

Modern laptops often have thinner bezels, meaning the difference between the screen size and the overall device size is smaller than older models[1][2][3]. Always measure the actual device if you're unsure.

Weight and Portability

While size is important, weight also affects portability. Check the manufacturer's specs for weight if you plan to carry your laptop often.

Special Shapes and 2-in-1 Devices

Convertible laptops and tablets may have unusual shapes or detachable keyboards. Measure all parts you intend to carry.

International Unit Conversions

- 1 inch = 2.54 cm

- To convert cm to inches: cm ÷ 2.54 = inches

- To convert inches to cm: inches × 2.54 = cm

Measuring Without a Tape Measure

If you don't have a tape measure:

- Use a standard sheet of A4 paper (21 cm x 29.7 cm) as a makeshift ruler.

- Look up your device's model online for official dimensions[5].

Real-World Examples

Example 1: Measuring a 15.6-inch Laptop

- Diagonal (screen): 15.6 inches (measured from bottom left to top right, excluding bezel)

- Width: 36 cm

- Depth: 25 cm

- Height (thickness): 2 cm

Choosing a Bag:

Look for a bag with a laptop compartment at least 37 cm wide, 26 cm deep, and 2.5 cm high.

Example 2: Measuring a 13-inch Ultrabook

- Diagonal: 13.3 inches

- Width: 31 cm

- Depth: 21 cm

- Height: 1.5 cm

Choosing a Sleeve:

Pick a sleeve labeled for 13-inch laptops, but check the actual internal dimensions to ensure a snug fit.

Common Mistakes and How to Avoid Them

- Measuring the bezel: Only measure the visible screen for diagonal size[2][3][5].

- Ignoring thickness: Some older laptops are much thicker; always measure depth[1][3][6].

- Assuming all 15-inch laptops are the same size: Device dimensions can vary by model and brand.

- Not checking compartment orientation: Make sure the bag's laptop compartment matches your device's shape[3].

Conclusion

Measuring your laptop size is a straightforward but essential process that ensures you choose the right accessories and understand your device's physical footprint. Always measure the screen diagonally for the "inch size," but don't forget to measure the width, depth, and height of the closed device for a complete picture. Use these measurements to select bags, sleeves, and stands that offer the best protection and usability for your needs. Accurate measurements help you avoid costly mistakes and keep your laptop safe and portable, wherever your work or adventures take you.

Frequently Asked Questions (FAQ)

1. How do I measure my laptop screen size accurately?

To measure your laptop screen size, use a tape measure or ruler and measure diagonally from the bottom left corner of the screen to the top right corner, excluding the bezel (the frame around the screen)[2][3][5].

2. Why is my laptop's "inch size" different from its physical width?

The "inch size" refers only to the diagonal length of the screen, not the overall device width. The physical width includes the bezel and casing, which can add extra centimeters or inches to the total size[1][2][3][4][5].

3. How much bigger should my laptop bag or sleeve be compared to my laptop?

Ideally, the bag or sleeve should be about 1–2 cm (or half an inch) larger than your laptop's dimensions to ensure a comfortable fit without being too loose or tight[1][3].

4. Can I find my laptop's size in the system settings or online?

Yes. You can often find your laptop's model number in system settings (like "About This Mac" on macOS or "msinfo32" on Windows) and then look up the official dimensions on the manufacturer's website[5].

5. Does the thickness (depth) of my laptop matter when choosing a bag?

Absolutely. The thickness (depth) ensures your laptop fits comfortably without being squeezed, especially for older or gaming laptops that may be bulkier. Always measure and account for this dimension when selecting a bag or sleeve[1][3][6].

Citations:

[1] https://knomo.com/blogs/news/how-to-measure-your-laptop-before-choosing-a-case-or-bag

[2] https://www.hp.com/us-en/shop/tech-takes/laptops/size

[3] https://www.briggs-riley.com/blogs/travel-source/how-to-measure-your-laptop-or-tablet-for-traveling

[4] https://www.new-rebels.com/en/service/dimensions-laptop-laptopbag/

[5] https://kapten-son.com/en/c-wie-viel-zoll-hat-mein-laptop

[6] https://www.everki.com/au-en/everki-stories/measuring-laptop-size-for-work-bag.html

[7] https://www.lenovo.com/us/en/glossary/choosing-the-best-laptop-screen-size/

[8] https://answers.microsoft.com/en-us/windows/forum/all/how-to-check-my-screen-sizeinch-from-my-laptop/e2d59d94-0f6b-415e-9850-0eb947d40944

[9] https://www.lenovo.com/ca/en/glossary/choosing-the-best-laptop-screen-size/