How to Measure Laptop Size

How to Measure Laptop Size


In this definitive guide, we will know How to Measure Laptop Size. Laptops come in a variety of sizes,  Whether you’re looking to replace your laptop’s screen, purchase a protective case, or simply curious about its dimensions. The following paragraph provides a step-by-step guide to accurately measure your laptop size.

Why Measure Laptop Size?

Measuring your laptop size is crucial for several reasons. Firstly, it helps you find a compatible laptop bag, sleeve, or case to keep your device safe during transportation. Secondly, if you plan to purchase a screen protector or any other accessory, knowing the exact dimensions will ensure a perfect fit. Lastly, understanding your laptop’s size is essential when upgrading or replacing your device, ensuring the new model meets your requirements.

Step 1: Gather the Tools

Before we begin measuring, let’s gather the necessary tools. You’ll need:
  1. Measuring Tape: A flexible measuring tape that shows both inches and centimeters will provide the most accurate results.
  2. Pen and Paper: Keeping notes of your measurements will help when shopping for accessories or seeking technical support.

Step 2: Measure the Screen Size

The screen size is a vital dimension to consider, especially when purchasing a replacement or an external monitor. To measure it accurately, follow these steps:
  1. Open the Laptop: Start by fully opening your laptop so that the screen is visible.
  2. Measure Diagonally: Take the measuring tape and place it on the bottom-left corner of the screen. Gently extend it to the top-right corner, following the diagonal of the screen. Note down the measurement in inches and centimeters.

Step 3: Measure the Width and Height

Measuring the width and height of your laptop will help you choose an appropriately sized carrying case or sleeve. Here’s how to do it:
  1. Close the Laptop: Shut down your laptop and close it securely.
  2. Width Measurement: Position the measuring tape at the left edge of the laptop and extend it across to the right edge. Jot down the measurement in inches and centimeters.
  3. Height Measurement: Place the measuring tape at the bottom edge of the laptop and extend it upwards to the top edge. Record the measurement in inches and centimeters.

Step 4: Measure the Depth

The depth or thickness of your laptop is essential, especially if you’re considering a laptop cooling pad or a snug-fitting backpack. Here’s how to measure it:
  1. Stand the Laptop Upright: Position the laptop vertically on a flat surface, so the base is touching the table.
  2. Depth Measurement: Using the measuring tape, start from the backside of the laptop (where the hinges are) and measure to the front. Note down the measurement in inches and centimeters.

Understanding Laptop Size Categories

Laptop sizes are often categorized based on screen diagonal measurements. The most common categories include:
  1. 11 to 12 inches: Compact and lightweight laptops ideal for travel or basic tasks.
  2. 13 to 14 inches: Popular sizes suitable for a balance of portability and performance.
  3. 15 to 16 inches: Standard sizes offering a good balance between screen real estate and mobility.
  4. 17 inches and above: Large-sized laptops preferred by gamers, multimedia enthusiasts, and professionals requiring extensive screen space.

Choosing the Right Laptop Bag or Sleeve

Knowing your laptop’s exact dimensions makes it easier to choose the right laptop bag or sleeve. Look for products specifically listed for compatibility with your laptop size category. Make sure your bag or sleeve has enough padding and protection to keep your laptop safe while carrying it.

Factors to Consider When Measuring Laptop Size

When measuring your laptop size, it’s important to consider a few factors to ensure accurate measurements:
  1. Be mindful of the laptop’s physical curves and angles. Measure from the widest points to account for any irregular shapes.
  2. Remove any external accessories or attachments such as external hard drives or docking stations before measuring the laptop.
  3. Consider the laptop’s bezel. Some laptops have thinner bezels, allowing for a larger screen size in a compact form factor.
  4. Measure multiple times to ensure consistency and accuracy. Take the average of the measurements for the best results.

Best Practices for Accurate Measurements

To obtain the most accurate laptop measurements, follow these best practices:
  1. Use a measuring tape or ruler with clear markings to ensure precision.
  2. Measure the laptop while it’s closed to capture its overall dimensions.
  3. Double-check your measurements to avoid errors.
  4. Round the measurements to the nearest decimal place for ease of reference.

Tips for Taking Care of Your Laptop

To keep your laptop functioning optimally, follow these tips:
  • Keep it clean and dust-free.
  • Avoid eating or drinking near your laptop to prevent spills.
  • Regularly update your software and perform system maintenance.
  • Use a cooling pad to prevent overheating.


You must know how to accurately measure your laptop size while looking for accessories or selecting the best laptop for your needs. You can determine compatibility with accessories like laptop covers, sleeves, and docking stations by measuring the height, breadth, depth, and thickness of your screen. Keep in mind to adhere to excellent practices and take certain factors into account that are significant to you.


  1. Q: Where can I find laptop bags or sleeves? A: You can find laptop bags and sleeves in electronic stores, online marketplaces, or dedicated websites.
  2. Q: Can I measure the laptop size using a tape measure? A: Yes, a tape measure is a suitable tool for measuring laptop
  3. : Is it necessary to measure the laptop size if I’m not buying any accessories? A: While it may not be essential, knowing your laptop’s size can still be helpful for future reference or when comparing it to other devices.
  4. Q: How often should I measure my laptop size? A: It’s recommended to measure your laptop size whenever you plan to purchase new accessories or upgrade to a different laptop model.
  5. Q: Can I use the same measurements for both metric and imperial units? A: Yes, the process of measuring laptop size remains the same regardless of the unit of measurement used. Just ensure consistency when converting between metric and imperial units.

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