How to Measure Laptop Size to buy a Bag [Check Size Chart ]

How to Measure Laptop Size for Bag [including Size Chart]

In this article, we will guide you through the essential steps on How to measure laptop size for bag or sleeve accurately.

By knowing the exact dimensions of your laptop, you can confidently choose a bag or sleeve that fits like a glove and provides maximum protection. So grab a tape measure and get ready to become an expert at finding the perfect laptop accessory.

How to Measure Laptop Size for Bag: Step by Step Guide

When it comes to choosing the right laptop bag, getting the size just right is essential. A bag that’s too small won’t fit your laptop, and one that’s too large may not offer the protection your device needs.

To avoid these pitfalls, here are three different methods for measuring your laptop size for a bag, complete with step-by-step guides.

Method 1: Measure the Laptop’s Screen Size

This is perhaps the simplest and most common method for determining your laptop’s size. Here’s how you can do it:

Step 1: Find the Laptop’s Screen Size

  1. Power on your laptop and let it fully boot up.
  2. Measure the screen diagonally from one corner to the opposite corner. Make sure to include the bezel.

Step 2: Choose a Bag

  1. Search for laptop bags that specify the maximum screen size they can accommodate.
  2. Select a bag that matches or exceeds the screen size of your laptop.

Method 2: Measure the Laptop’s Width, Depth, and Height

For a more precise fit, you can measure the width, depth, and height of your laptop. Here’s how:

Step 1: Gather Your Materials

  1. Get a measuring tape or ruler.
  2. Place your laptop on a flat surface.

Step 2: Measure Width, Depth, and Height

  1. Width: Measure the distance from the left edge of the laptop to the right edge.
  2. Depth: Measure from the front edge (where the screen meets the base) to the back.
  3. Height: Measure from the bottom of the laptop to the highest point (usually the top of the closed screen).

Step 3: Select a Bag

  1. Look for laptop bags with interior dimensions that exceed your laptop’s width, depth, and height measurements.
  2. Ensure the bag has padding or compartments to protect your laptop.

Method 3: Check Your Laptop’s Model Number

If you have the laptop’s model number, you can easily find its dimensions online. Here’s how:

Step 1: Locate the Model Number

  1. Look for a sticker on the bottom of your laptop.
  2. Note down the laptop’s model number, which is usually a combination of letters and numbers.
  3. Also, you can get help from this article How to Find Laptop Model Number

Step 2: Find the Laptop’s Dimensions

  1. Open your web browser and go to the laptop manufacturer’s website.
  2. Use the model number to search for your laptop’s specifications.
  3. Look for the laptop’s dimensions, including width, depth, and height.

Step 3: Match the Bag

  1. Search for laptop bags that specify compatibility with your laptop’s model number.
  2. Check the bag’s interior dimensions to ensure a snug fit for your laptop.

By following one of these three methods, you can confidently choose the right laptop bag size, ensuring your valuable device stays protected and easily accessible while you’re on the move.

Whether you opt for screen size, exact measurements, or model number compatibility, your laptop bag should now fit your device like a glove.

Laptop Bag Sizes & Size Chart

When selecting a laptop bag, it’s important to choose the right size to ensure a snug and secure fit for your laptop. To make this process easier, use the conversion factor “1 inch = 2.54 centimeters” to convert between inches and centimeters.

Measure the diagonal size of your laptop screen and consult the table above to find the corresponding bag size in both inches and centimeters. This will help you protect your laptop effectively while carrying it in style and comfort.

Here’s a simplified table that helps you estimate the laptop bag size they may need based on their laptop dimensions:

Laptop Size (Inches)Laptop Size (Centimeters)Recommended Bag Size (Inches)Recommended Bag Size (Centimeters)
13 – 1433 – 35.5614 – 1535.56 – 38.1
15 – 15.638.1 – 39.6215 – 1638.1 – 40.64
16 – 1740.64 – 43.181743.18
17.3 – 18.443.94 – 46.7417 – 1843.18 – 45.72
18.5 and up46.99 and up18 and up45.72 and up

Please note that these are general recommendations, and laptop bags’ actual size can vary between brands and models. Always check the bag’s specifications for the best fit.

Laptop Bag Size Finder Calculator

Laptop Bag Size Finder

Laptop Bag Size Finder

Recommended Bag Size:

Additional Tips for Measuring Laptop Size

  • Always round up your laptop’s measurements to the nearest half-inch or inch to ensure a comfortable fit.
  • Consider your laptop’s shape when selecting a bag. Some laptops are wider or taller than others.
  • Double-check the bag’s interior dimensions to ensure compatibility.
  • If you’re measuring an older laptop, keep in mind that dimensions may have changed with newer models.

Consider other factors.

Keep in mind any additional items you might want to carry in the bag, such as chargers, a mouse, or documents. If you want to store these items in the same bag, make sure the bag has extra space to accommodate them.


How Do You Measure a Laptop?

To measure a laptop, simply open it and measure diagonally from one corner of the screen to the opposite corner. This measurement, typically in inches or centimeters, represents your laptop’s diagonal screen size, which is the primary factor when choosing a compatible bag or sleeve.

Measure Laptop Size for Backpack

To determine your laptop’s size for a backpack, measure the diagonal length of your laptop screen by opening it and measuring from one corner to the opposite corner. This diagonal measurement, typically in inches or centimeters, is crucial for ensuring a proper fit in the backpack’s dedicated laptop compartment.

How to Measure Laptop Screen

To measure a laptop screen, open the laptop and use a measuring tape to measure diagonally from one corner of the screen to the opposite corner. This diagonal measurement, typically in inches or centimeters, indicates the size of your laptop screen.

How to Check the Dimensions of Your Laptop

You can usually find your laptop’s dimensions in the user manual or on the manufacturer’s website. It’s crucial to have accurate measurements before purchasing a bag.

Measure Laptop Size for Bags and Sleeves

The process of measuring your laptop size for bags and sleeves is the same as measuring it for any type of laptop bag. Follow the step-by-step guide provided in this article for accurate measurements.


In conclusion, the quest for the perfect laptop bag size is an essential journey that can greatly improve your daily laptop-carrying convenience.

Our guide, offers five solutions on Can an 11.6-inch laptop fit in a 14-inch bag? has provided valuable insights into this decision-making process.

By meticulously measuring your laptop’s display size and its overall dimensions, you’ll be well-equipped to find the ideal bag to keep your device secure and cozy in its new abode.”

Irfan Ali Professional Blogger