How to Measure Laptop Size? A Comprehensive Guide [2021]

If you are looking for a bag or case to carry your laptop around with you, then you’d need the accurate dimensions of your laptop. Perhaps, you might not know how to measure a laptop, so here we have got you covered!

We know for a fact that how frustrating thing it is to get a bag or sleeve for your laptop that doesn’t fit it in properly. Either it’s small or way too big. So in order to make sure you get the right thing in the first place, you gotta do some pre-job done!

This is where learning how to measure laptop size comes in handy. So here we are to walk you through the process of measuring the size of your laptop accurately.

That said, let’s get straight to it:

Steps to Measure the Accurate Size of a Laptop

Down below are some of the steps that are to be followed while learning how to measure the size of a laptop:

Measuring Screen Size

You must’ve noticed that some laptop manufacturers have mentioned the screen size of their products in the specifications. It shows that the screen size of a laptop plays a crucial role in determining its overall size.

With that being said, you can measure the size of the screen of the laptop yourself; by placing the measuring tape diagonally, from one corner of the screen to the other. The point to be noted here is that this measurement does not include the bezels.

If they are to be included then some more inches would be added to the size of the laptop’s screen.

Measuring the Width

While calculating the dimensions of a laptop, one of the major aspects is to measure the width of the laptop as well. In fact, it determines most of the size of the laptop. Besides, in learning how to measure the size of a laptop, you need to be conscious about the amount of space it would be taking up in a laptop case.

With that being said, the proper way of doing so is that you have to simply put the measuring tape on the laptop’s lid closed, from left to right. Make sure to keep it straight and not curved.

Afterward, pen down the measurement taken in centimeters, and convert it later into inches by simply dividing the whole calculation by 2.54.

Measuring the Depth

In order to have an estimate of the depth of the laptop, so that you can get the most appropriate stuff for its keeping, you need to be very precise. Calculating the depth measurement can be a little tricky, but it’s not that difficult not to be done.

Start off by simply measuring the laptop lid, from one corner to the other vertically. In addition to that, make sure that you include the round curve going downwards by the edge of the laptop from the front end.

With that being done, now you might have to convert the inches calculation into centimeters, by simply multiplying it by 2.54; for an inch equals 2.54 centimeters. This is one of the aspects of how to measure laptop size for a bag.

Measuring the Height

Next off, one of the other dimensions of a laptop to be measured is the height of the laptop. It is basically the laptop’s body thickness that could be essential to know while buying the right size of a laptop bag.

With that being said, the proper way to measure the height of a laptop is by closing the laptop’s screen. Additionally, you have to keep the measuring tape straight and not aligned with the curve of the laptop from the bottom.

This is because, the laptop height is indirectly the distance between a laptop and the table, on which it is placed. So it ought not to be ignored as it has an impact on the correct measurement.

Why is it Important to Measure Size of a Laptop?

Now that we are done with the basics of measuring a laptop size, it is of vital importance to recap the importance of measuring the laptop size. So the first and foremost reason that backs the procedure of calculating the correct dimensions of a laptop is that you need a laptop carry-bag or sleeve to make it safer while portability.

Well, this is the most crucial element that makes the calculation of a laptop’s size vital. For the reason that there are several sizes available of a laptop bag, so in order to make sure that your laptop fits in properly in yours, you have to buy the appropriate one for that.

Frequently Asked Questions

Is laptop size measured diagonally?

To get that straight, the size of a laptop’s screen is measured diagonally, from corner to corner. In addition to that, this measurement does not include the outer casing called bezels. That being said, the rest of the measurements are taken vertically or horizontally (as in the case of width).

What are laptop sizes?

Laptop sizes are actually referred to as the size of the laptop’s screen. The diagonal measurement of a laptop’s screen is basically the size of a laptop that is mentioned in the specs of the laptop.

However, the fun fact is that not all laptops of the same screen size are considered to be laptops of the same width and height. That means, they’d be different in shape and size!

Which size laptop is best?

Well, the most suitable laptop size can be judged by the requirement of the user; for how often he/she uses it. In a similar context, a standard laptop is the best for most of the users; which is 13 inches to 14 inches or between.

Apart from that, a big enough size for people who rarely carry their laptop along can be 15 inches. However, for regular travelers, the best option could be to buy an Ultrabook, as it would be more portable for them.

How wide is a 15.6-inch laptop?

The overall dimensions of laptops having the same screen size usually differ from each other. However, the most common width to be measured on a 15.6-inch laptop is about 13.6 inches.

How do I measure my laptop screen size online?

Several ways can help you measure the laptop screen size online. One of them is by using the display size detector app available online. This can be a good option to know the screen size of your laptop without measuring.

Apart from that, another method that can be super easy and convenient to find out the laptop screen size, is by simply searching out the details of your laptop’s model. This will bring forth all the specifications including the screen size of your laptop.


So that was all about how to measure a laptop’s size. If you were unable to calculate the correct dimensions of your laptop, then you must’ve been missing one of the points mentioned above. So make sure to read it till the end and then make the wisest of choices while buying a carry bag for your laptop.

Leave a Comment