When it’s time to buy a new laptop bag, a screen protector, or even list your old laptop for sale, knowing the exact screen size is crucial. It might seem like a simple task, but many people measure incorrectly, leading to the wrong accessory purchases. Getting the right measurement the first time saves you both time and money.
Why Diagonal is the Only Measurement That Matters
Unlike a TV or a picture frame, a laptop screen is only measured by its diagonal length. You don’t need the width or the height for the standard screen size. This diagonal measurement runs from one corner of the visible screen area to the opposite corner. It’s important to remember that the plastic bezel (the frame around the screen) is not included in this measurement.
Finding a Measuring Tape and Preparing Your Laptop
For the most accurate result, a soft measuring tape used for sewing is your best tool. It can lie flat against the screen without causing any scratches. If you don’t have one, a standard ruler can work in a pinch. Before you start, ensure your laptop is powered off completely. This is safer for you and the device, and it makes the screen’s edges easier to see.
The Simple Steps to Measure Your Screen
Position your measuring tape at the bottom left corner of the visible screen. Stretch it diagonally across to the top right corner. Make sure you are measuring only the lit area, not the black or colored plastic bezel. Note the measurement in inches, as this is the standard unit for laptop screens. For a double-check, measure from the bottom right to the top left corner; the number should be the same.
What to Do If You Don’t Have a Tape Measure
If you can’t find a measuring tape, there are other reliable ways to find your screen size. The quickest method is to check your laptop’s model number, which is usually on a sticker on the bottom of the device. Type this model number into a search engine, and the specifications, including the screen size, will appear. You can also check your original purchase receipt or the manufacturer’s website for technical details.
Knowing how to properly measure your laptop screen is a small but valuable skill. Whether you’re shopping for a new case or troubleshooting, having the correct dimensions ensures a perfect fit and a smoother experience.
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