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13-Inch Laptop Dimensions Guide: Screen Size and External Measurements

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13-Inch Laptop Dimensions Guide: Screen Size and External Measurements

Key Points

  • 13-inch laptops are highly portable and suitable for various tasks such as writing, gaming, and programming.
  • The dimensions of most 13-inch laptops are around 12 x 8.5 x 0.6 inches.
  • The display size of a 13-inch laptop is usually 13.3 inches, with some rare exceptions.
  • 13-inch laptops can have different aspect ratios, including 16:9, 3:2, 4:3, and 16:10, each offering unique advantages for different purposes.
  • While 13-inch laptops are compact and portable, they may not be suitable for those with vision problems or those who require a full keyboard with a numeric keypad.

Only barely larger than a tablet, a 13-inch laptop is the best choice if you need a truly portable computer that you can use anywhere. Whether you’re a writer, gamer, or programmer, today’s 13-inch laptops pack all the performance needed for simple and demanding tasks alike.

Before buying, however, you might want to assess whether the screen size and aspect ratios are right for you or whether the laptop fits in the bag you want to purchase. Our 13-inch laptop dimensions guide can help you figure out whether this is the right size for you.

Let’s dive right in!

Actual 13-Inch Laptop Dimensions

LaptopLength x Width x HeightScreen Size
Apple MacBook MPXQ2LL/A11.97 x 8.36 x 0.59 inches13 inches
HP Pavilion Aero 1311.72 x 8.23 x 0.67 inches13.3 inches
ASUS ZenBook 1311.97 x 7.99 x 0.55 inches13.3 inches
Lenovo Chromebook Flex 512.20 x 8.43 x 0.67 inches13.3 inches
ASUS ROG Flow Z1311.89 x 8.11 x 0.51 inches13.4 inches

13-Inch Laptop Chassis Dimensions

Knowing the chassis dimensions of a 13-inch laptop can help you figure out whether the unit fits in your laptop bag or in a backpack pocket. While these dimensions vary widely from manufacturer to manufacturer, you’ll find that most 13-inch laptops measure just under 12 inches in length, around eight to nine inches in width, and under 0.7 inches in height.

Some models can measure over 12 inches in length, though, so this is something to keep in mind when shopping for a bag. Most laptop bags designed for 13-inch models measure around 12 to 12.5 inches in length, so a larger model would be a snug fit.

To find the right bag size, measure the laptop beforehand and compare its chassis dimensions to the dimensions of the bag.

MacBook Air
13-inch Apple MacBook Air laptops typically measure around 11.97 x 8.36 x 0.59 inches.

13-Inch Laptop Display Dimensions

While a 13-inch laptop chassis doesn’t have a standard dimension, things are slightly different as far as the display size is concerned.

Measured diagonally, the display size of a 13-inch laptop usually measures 13.3 inches. There are very few exceptions, including displays that measure exactly 13 inches diagonally. Other variations include 13.1, 13.4, and 13.5 inches, but all these sizes are rare.

Most laptop manufacturers disclose the actual display size in the unit’s specs, so you can easily figure out how small or large your display is. However, if you can’t find the display size anywhere, you can measure it yourself.

All you have to do is stretch a measuring tape from the top left corner of the display to the bottom right corner (or vice versa — you can even use a ruler if you want). Regardless of the actual screen size, one thing that can change is the aspect ratio.

Various 13-Inch Laptop Aspect Ratios

The aspect ratio refers to the ratio of a display’s width to a display’s height in this order. The aspect ratio can impact the resolution of the screen and how much of an image you can see at once. Depending on brand and model, 13-inch laptops can have four different aspect ratios.

16:9 Aspect Ratio vs. 13-Inch Laptop Dimensions

The most common aspect ratio found in 13-inch laptops is 16:9. This is a standard aspect ratio used for displays of all sizes and is one of your best options if you use apps or play games that are optimized for this aspect ratio.

The main advantage of 16:9 displays is their high refresh rate — a feature that is hard to find in displays with other proportions, even if there are some notable exceptions. The main downside is that the screen looks cramped compared to other options, and a cramped screen doesn’t pair well with tiny laptops.

As far as the laptop’s external dimensions are concerned, most 13-inch laptops with a 16:9 aspect ratio measure around 12 x 8.5 x 0.65 inches.

Best Laptops Under $550
Lenovo Chromebook Flex 5 is one of the largest 13-inch laptops, measuring 12.20 x 8.43 x 0.67 inches.

3:2 Aspect Ratio vs. 13-Inch Laptop Dimensions

The 3:2 aspect ratio is much boxier than the standard 16:9. It looks almost square, but it does fit more of the image on the screen. Since this is the preferred aspect ratio for photo editing and video rendering, content creators might prefer a 13-inch laptop with these display proportions.

Options are scarce, though. Currently, the only laptops using this aspect ratio are the Microsoft Surface and some Huawei MateBook models.

Most Microsoft Surface laptops have a display size of 13.5 inches, and they are slightly bulkier than the vast majority of 13-inch laptops. While they maintain the same average length of 12 inches, they are usually 9 inches wide and up to 2 inches thick.

The Huawei MateBook models typically have 13-inch displays and more compact external dimensions. They measure around ‎11.26 x 8.31 x 0.59 inches.

4:3 Aspect Ratio vs. 13-Inch Laptop Dimensions

The 4:3 aspect ratio isn’t used in 13-inch laptops anymore, but some old models might have these display proportions. Like the 3:2 aspect ratio, the 4:3 ratio is typically used for recording images or motion pictures, and a laptop with these proportions allows you to see the entire image without cropping it or losing information.

Laptops with this aspect ratio are generally more compact in size, measuring around 11 inches in length, 8 inches in width, and around 0.5 inches in height.

16:10 Aspect Ratio vs. 13-Inch Laptop Dimensions

An aspect ratio often found in 13-inch Apple laptops, the 16:10 screens fit more information vertically and are ideal for writers, editors, and programmers, allowing you to see more of a page or more code lines at once.

Dell and Lenovo also use this aspect ratio in many of their 13-inch laptops, including the Dell Latitude and Lenovo ThinkBook.

Despite the different aspect ratios, the 16:10 laptops have the same display diagonals and external dimensions as the 16:9 models. This aspect increases versatility, allowing you to choose the best aspect ratio for you without worrying about the actual size of the device.

Is a 13-Inch Laptop Right for You?

13-inch laptops are incredibly compact and portable. They are ideal for students and folks who like to work on the go. Despite their compact dimension, many laptops this size deliver the same performance you’d expect from a larger model. The main downside is the rather tiny display and the minimalist keyboard. If you have vision problems or need a full keyboard with a numeric keypad, you should consider a larger model.

Wrap Up

Most 13-inch laptops actually have a display size of 13.3 inches and measure around 12 x 8.5 x 0.6 inches. Aspect ratios can vary from the standard 16:9 to 4:3, albeit the latter is not used anymore and is only found in older models. Regardless of what you need, we hope this guide can help you figure out whether a 13-inch laptop is right for you.

Frequently Asked Questions

What are the dimensions of a 13-inch screen?

Most 13-inch laptops have a display dimension of 13.3 inches, although there are exceptions. One of the most notable exceptions is the 13-inch ASUS ROG lineup. These laptops have a screen size of 13.4 inches. Other possible display sizes include 13, 13.1, and 13.5 inches.

How big is a Dell 13-inch laptop?

Most 13-inch Dell laptops measure around 12 inches in length and 8 inches in width. Their height can vary from around 0.35 to 0.6 inches.

What is the aspect ratio of a 13-inch MacBook?

Most Apple laptops have an aspect ratio of 16:10, and this includes the MacBook models.

How do I measure my laptop screen size?

Measure diagonally from one corner of the laptop to the opposite corner, paying attention not to include the bezel in your measurement. This is your laptop’s display size.

Is 13-inch enough for a laptop?

Yes, a 13-inch laptop is perfectly usable for a lot of purposes, ranging from casual use and writing to gaming, programming, and content creation. This dimension is ideal for people who travel a lot and students.

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