The right laptop backpack can make a big difference in your everyday routine. Whether you're heading to college, going to the office, commuting across the city, or travelling for a few days, your backpack needs to be comfortable, practical and large enough for your laptop.
One of the most common choices people face is between a 15.6-inch and a 17-inch laptop backpack. While the difference may look small on paper, choosing the right size can affect comfort, laptop protection and storage.
So, which one should you choose? The answer depends on your laptop and your lifestyle.
15.6-Inch Laptop Backpack: A Practical Everyday Choice
For most people, a 15.6-inch laptop backpack is a comfortable option for everyday use.
It works especially well for office professionals, college students and daily commuters. A compact backpack can usually hold your laptop, charger, notebook, documents, water bottle and other personal essentials without feeling unnecessarily large.
For someone who travels by bus, train or metro every day, a smaller backpack can also be easier to carry through crowded spaces.
A 15.6-inch backpack is a good choice if you prefer:
A compact and lightweight design
Comfortable daily commuting
Office or college use
Easy access to your laptop
Space for essential accessories
A backpack that doesn't feel bulky
For many everyday users, a backpack with around 20–30 litres of capacity can provide a useful balance between storage and portability.
17-Inch and 17.3-Inch Backpacks for Larger Laptops
A 17-inch or 17.3-inch laptop backpack is better suited to people who need more space.
Large gaming laptops and workstation laptops are often thicker and heavier than standard office laptops. They may also come with large chargers and additional accessories that require extra room.
A larger backpack can also be useful if you regularly travel and want to carry clothing, documents or other equipment along with your laptop.
You may prefer a 17-inch or 17.3-inch backpack if you:
Own a large gaming laptop
Use a workstation laptop
Carry a large laptop charger
Travel frequently
Carry clothes or extra accessories
Need more storage space
Want one backpack for work and travel
Depending on your needs, backpacks in the 30–50L range can provide additional room for heavier loads and short trips.
Your Laptop's Screen Size Isn't Everything
One important thing to remember when buying a laptop backpack is that screen size does not always equal the actual size of the laptop.
Two laptops with a 15.6-inch screen can have different body dimensions. The same is true for 17-inch laptops.
Laptop dimensions can vary because of differences in:
Width
Depth
Thickness
Bezels
Cooling systems
Hinges
Protective cases
This is particularly important for gaming laptops because they can be significantly thicker than regular laptops.
Before buying a backpack, measure your closed laptop and compare its dimensions with the backpack's actual laptop compartment.
Can a 15.6-Inch Laptop Fit in a 17-Inch Backpack?
In most cases, yes.
A 15.6-inch laptop will generally fit inside a backpack designed for a 17-inch laptop because the compartment is larger. However, a very large compartment may leave extra space around the laptop.
Your laptop should sit securely inside the sleeve rather than moving around while you walk or travel.
So, if you only carry a 15.6-inch laptop and a few daily essentials, choosing a 17-inch backpack may not always be necessary.
Can a 17-Inch Laptop Fit in a 15.6-Inch Backpack?
Usually, no.
A backpack designed specifically for a 15.6-inch laptop may not have enough width, depth or thickness to accommodate a larger 17-inch laptop.
Never force a large laptop into a smaller compartment. It can put pressure on the laptop, zipper and backpack and may also make the bag difficult to close.
If you have a 17-inch or 17.3-inch laptop, choose a backpack that specifically supports that size and check the listed compartment dimensions.
Choose Your Backpack According to Your Lifestyle
Your daily routine should play an important role in your decision.
🎓 College: A 15.6-inch backpack is usually enough for a laptop, books and daily essentials. A larger option may be better for gaming laptops or heavier loads.
💼 Office: A 15.6-inch backpack provides a practical balance for laptops, documents and chargers.
🚇 Daily commute: A compact 15.6-inch backpack is generally easier to carry on public transport.
🎮 Gaming: A 17-inch or 17.3-inch backpack can provide additional space for a large gaming laptop and charger.
✈️ Travel: A 17-inch or 17.3-inch backpack can be useful when you need extra space for clothes, accessories and other travel essentials.
Features That Make a Good Laptop Backpack
Size is only one part of choosing a good backpack. You should also consider the features that make everyday carrying more comfortable and convenient.
Look for a dedicated padded laptop compartment to provide better protection. Comfortable, adjustable shoulder straps can make heavier loads easier to carry.
A breathable back panel can also improve comfort during longer commutes.
For people who travel or commute during rainy weather, water-resistant material or a rain cover can provide additional protection.
Multiple compartments are useful for organizing your charger, mouse, notebook, documents and other belongings.
Some backpacks also include features such as USB charging ports, anti-theft compartments and trolley sleeves, which can be useful depending on your routine.
Which Laptop Backpack Size Is Best?
There isn't one perfect backpack size for everyone.
If you have a standard laptop and mainly travel between home, college or the office, a 15.6-inch laptop backpack is usually the practical choice.
If you own a large gaming laptop, workstation or regularly travel with additional belongings, a 17-inch or 17.3-inch laptop backpack may be more suitable.
The most important step is to measure your laptop before buying. Check its width, depth and thickness and compare those measurements with the backpack's laptop compartment.
Final Thought
A good laptop backpack should fit both your laptop and your lifestyle.
Don't simply choose the biggest backpack because it offers more space. Choose a size that provides secure laptop protection, enough storage and comfortable everyday carrying.
For everyday office, college and commuting needs, start with a 15.6-inch laptop backpack. For gaming, larger laptops and travel-heavy use, consider a 17-inch or 17.3-inch backpack.
Explore the HEROZ Laptop Backpack Collection to compare different sizes and capacities.