What Size Bag is Good for Laptops? Find Out Here!

Updated - December, 2025

Selecting the right size bag for laptops is crucial to ensure both functionality and style. The size of the bag should align with the dimensions of the laptop, providing a secure fit while accommodating additional accessories.

Whether you're looking for a bag to transport a new Dell or a dedicated MacBook bag, an Apple laptop bag, one for an HP, a MacBook Pro bag something for an Acer or even a leather MacBook Pro bag, the desire is the same; to protect your technology investment.

What's a Good Size Bag for Laptops?

When choosing a bag for your laptop, think first in terms of device size + accessories + usage.Let's take a closer look -

Under 13″ Laptops

A slim sleeve or backpack compartment designed for 13″ devices works well. These sizes are easy to carry and ideal for students or commuters who travel light.

14″–15″ Laptops

Mid-sized backpacks and messenger bags with padded sections provide a good balance of protection and capacity. They can hold chargers, notebooks, and small accessories comfortably.

16″+ Laptops

Larger backpacks and structured briefcases give you room to organize peripherals and documents while maintaining protection. Avoid overpacking; a good protective compartment makes all the difference. Also consider: Whether you carry other gear (tablet, notebooks, bottles) How often you’re walking vs. driving Whether you prefer one strap (messenger) or two (backpack)

When choosing a bag size, it’s easy to focus only on fitting the laptop. But many people overlook how movement and pressure inside a bag can stress a device over time. A well-fitting bag with a dedicated padded compartment or even combining a bag with a protective sleeve helps reduce abrasion, impacts, and everyday wear.

The Right Laptop Bag for the Job

Now let's explore the stories of four laptop users, each using a different size laptop and opting for various bag form factors that suit their needs and preferences.

13" Cross Body Laptop Bag

Sophie, a graphic designer who relies on her compact 13-inch laptop for daily work, has chosen a 13-inch cross-body laptop bag, MacBook bag with strap for its convenience and minimalist design.

Her bag offers a snug compartment for her 13-inch Acer, ensuring it stays in place during her daily commute and client meetings. The cross-body style allows her to keep her hands free, providing easy access to her laptop when needed.

The laptop bag with strap also features additional pockets for her stylus, notepad, and a few essential accessories. Sophie values the sleek and lightweight design, making her crossbody bag a perfect match for her on-the-go lifestyle.

14" Messenger Bag

Alex, a software developer with a 14-inch Lenovo laptop, prioritizes sustainability and functionality. Opting for a messenger bag made from recycled PET (rPET) nylon, Alex aligns his bag choice with his eco-conscious values.

The rPET messenger bag offers a dedicated compartment for his 14-inch laptop, padded to ensure protection during daily commutes and business trips. Multiple pockets and organizers help him keep his tech accessories, notebooks, and reusable water bottle in order.

The messenger bag's durable yet lightweight construction aligns with Alex's active lifestyle, making it an ideal choice for a balance of style and sustainability.

15" Leather Briefcase

Michael, a business executive who relies on his powerful 15-inch MacBook Air, opts for a classic leather briefcase for his MacBook Air carry bag to complement his professional image. The briefcase's design exudes sophistication while providing a secure and padded compartment for his laptop.

With ample space for documents, a charger, and other essentials, Michael's leather briefcase is both practical and stylish. The genuine leather construction adds a touch of luxury, reflecting his position and contributing to a polished appearance during meetings and business trips. Michael appreciates the blend of functionality and timeless elegance that his leather briefcase brings to his professional life.

16" Leather Messenger

David, a content creator and photographer who relies on the robust capabilities of his 16-inch Dell has chosen a leather messenger bag for laptop that mirrors his creative flair. The spacious interior of the bag accommodates his large laptop comfortably, with additional padding for protection.

Multiple compartments and dividers keep his camera accessories, external hard drives, and personal items organized. The leather messenger bag's rugged yet stylish appearance resonates with David's artistic sensibilities, making it a perfect companion for his work in various environments.

The adjustable shoulder strap allows for easy carrying, whether navigating a bustling city or exploring outdoor shooting locations.

Laptop Bag Size - Additional Tips

Choose a bag that reflects your personal style and taste. Backpacks come in various styles, from sporty to sleek and professional. Messenger bags offer a more casual look, while sleeves are perfect for minimalist aesthetics.

Here's a general size guide for laptop bags:

• 13.3" laptop: Choose a bag with a 13-14" laptop compartment.

• 15.6" laptop: Opt for a 15-16" laptop compartment.

• 17.3" laptop: Select a bag with a 17-18" laptop compartment.

Check the bag's dimensions. Ensure the interior dimensions can accommodate your laptop comfortably with some extra space for padding.

Try the bag on. It's important to feel comfortable carrying the bag for extended periods. Consider additional features. Some bags offer features like water resistance, anti-theft protection, and multiple compartments for organization.

Selecting the Right Size Bag for You

Selecting the right size bag for laptops involves considering both the laptop's dimensions and the user's lifestyle and preferences. Whether opting for a laptop bag with strap, an rPET messenger bag, a leather briefcase, or a leather messenger bag, each user showcased here has found the perfect balance between style and functionality.

By considering your laptop size, carrying needs, personal style, and the bag's features, you can choose the perfect size bag to keep your laptop safe and organized. Ultimately, the ideal bag size is one that accommodates the laptop securely while complementing the user's lifestyle and expressing their unique style.

[ Explore MacCase Laptop Bags → ]

About Michael Santoro

With decades of award-winning design experience, Michael Santoro has worked across automotive, product, and aerospace design. In 1998, he founded MacCase and introduced the Apple-specific case category with a custom case for the original iBook. He also mentors aspiring designers through Art College Prep and How to Draw Cars. Learn more at Michael Santoro Design.

What Size Bag is Good for Laptops?