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Laptop backpack: how to choose the right diagonal for your laptop (14, 15.6 or 17.3 inches)

How to choose a laptop backpack in the right size for your laptop, with eight Piquadro backpacks for 14, 15.6 and 17.3 inches compared.

Laptop backpack: how to choose the right diagonal for your laptop (14, 15.6 or 17.3 inches)

The inches of a laptop backpack tell you the screen size of the laptops its sleeve holds: a backpack for laptops up to 15.6" is designed for laptops with a 15.6-inch screen. It is the first number to look at, but not the only one, because laptops with the same diagonal can differ in width and thickness. In this guide we explain how to choose the right size and suggest eight Piquadro backpacks for laptops up to 14", 15.6" and 17.3", with size, weight and capacity to compare them.


Table of contents

  1. How to choose the right diagonal
  2. Models for laptops up to 14"
  3. Models for laptops up to 15.6"
  4. Models for laptops up to 17.3"
  5. When to choose another model
  6. Frequently asked questions
  7. Conclusion

How to choose the right diagonal

Every Piquadro laptop backpack gives, in inches, the size of the laptops its sleeve holds: 13.3, 14, 15, 15.6 or 17.3 inches, that is, the screen diagonal. Start from your laptop's diagonal and keep three things in mind:

  • 15 and 15.6 are different sizes: both exist in the Piquadro catalogue and they are not interchangeable. A 15-inch sleeve is not designed for a 15.6-inch screen, and a 15.6-inch sleeve is not designed for a 16-inch screen.
  • The shape of the laptop matters too: two laptops with a 15.6-inch screen can differ in width and thickness. If yours has wide bezels or is particularly thick, compare its measurements with the backpack's or try it in store.
  • Sleeve position: external (dedicated pocket, quick access) or internal (inside the main compartment). An external sleeve is handy if you go through airport security often.

The diagonal in centimetres, to compare it with your screen:

Diagonal (inches) Diagonal (cm)
13.3" 33.8 cm
14" 35.6 cm
15" 38.1 cm
15.6" 39.6 cm
17.3" 43.9 cm

One inch is 2.54 cm: the diagonal is measured from corner to corner of the screen, bezel excluded.

Models for laptops up to 14"

Model Capacity Net weight (empty) External size (H × W × D) Laptop sleeve Material Sleeve position Expandable
Water-Resistant 14" Laptop Backpack (Corner 2.0) 15.5 L 1.123 kg 40 × 32 × 16 cm 14" fabric external no
Leather 14" Laptop Backpack with Fast Check Panel (Blue Square) 13 L 1.003 kg 38 × 29 × 13 cm 14" leather internal no
Expandable 14-inch Laptop Backpack in Leather 17.5 L 1.025 kg 37 × 29 × 10 cm 14" leather internal yes

The Water-Resistant 14" Laptop Backpack (Corner 2.0) (Corner 2.0, water-resistant fabric) is the best seller of the three; the Leather 14" Laptop Backpack with Fast Check Panel (Blue Square) is the lightest, Blue Square leather with a fast-check panel that opens flat at security and an included Monogram Tag; the Expandable 14-inch Laptop Backpack in Leather is leather, with expansion.

Models for laptops up to 15.6"

Model Capacity Net weight (empty) External size (H × W × D) Laptop sleeve Material Sleeve position Expandable
Water-Resistant 15.6" Laptop Backpack Corner 2.0 17 L 1.214 kg 43 × 34 × 16 cm 15.6" fabric external no
Leather 15.6" Laptop Backpack with Anti-Theft Zips 24.5 L 1.261 kg 42 × 32 × 16 cm 15.6" leather external no
Leather Laptop Backpack 15.6" Blue Square 18.5 L 1.602 kg 42 × 29 × 16 cm 15.6" leather external no

The Water-Resistant 15.6" Laptop Backpack Corner 2.0 is the 15.6-inch version of the fabric Corner 2.0 backpack; the Leather 15.6" Laptop Backpack with Anti-Theft Zips is leather and has the largest capacity in the group (24.5 L); the Leather Laptop Backpack 15.6" Blue Square is Blue Square leather with a steel anti-theft cable and combination lock, and an included Monogram Tag.

Models for laptops up to 17.3"

Model Capacity Net weight (empty) External size (H × W × D) Laptop sleeve Material Sleeve position Expandable
Leather Laptop Backpack 17.3" with Anti-Theft Cable (Bagmotic) 20.5 L 1.558 kg 44 × 31 × 14 cm 17.3" leather internal no
Leather Convertible Duffel Backpack 17.3" Laptop (Modus) 43 L 2.083 kg 50 × 31 × 20 cm 17.3" leather external yes

For large laptops there are two very different models: the Leather Laptop Backpack 17.3" with Anti-Theft Cable (Bagmotic), leather with a fast-check panel; and the Leather Convertible Duffel Backpack 17.3" Laptop (Modus), a 43 L leather duffel with shoulder straps, expansion, shoe compartment and an included Monogram Tag, better suited to travel than to the office.

When to choose another model

  • If your laptop is 16 inches: none of the backpacks in this guide is designed for 16 inches. Do not rely on a sleeve for laptops up to 15.6": compare your laptop's measurements with the backpack's, or choose a sleeve for laptops up to 17.3".
  • If your laptop is 15 inches: Piquadro also makes bags with a sleeve for 15-inch screens; you will find them among the laptop bags, filtering by sleeve size.
  • If you use a case: it adds thickness to the laptop. Try the backpack with the case fitted.
  • If your laptop is 13 inches: among the laptop backpacks you will also find models for laptops up to 13.3", which you can filter in the collection.

Frequently asked questions

Will my MacBook, ThinkPad or Surface fit?

Start from the screen diagonal and choose a backpack for the same size as your laptop. If your model has wide bezels or is particularly thick, compare its measurements with the backpack's or try it in store.

15.6 vs 17.3 inches: what is the difference?

About 4 cm of diagonal (39.6 vs 43.9 cm), which means a bigger backpack: the models for laptops up to 17.3" in this guide are 44 and 50 cm tall, those for laptops up to 15.6" 42 and 43 cm. If your laptop is 15.6", you do not need a 17.3" backpack: choose the one for your size.

Which backpack is the lightest?

Of the eight, the Leather 14" Laptop Backpack with Fast Check Panel (Blue Square): 1.003 kg empty. Among the 15.6-inch models the lightest is the Corner 2.0 backpack (1.214 kg), among the 17.3-inch ones the Bagmotic backpack (1.558 kg).

External or internal sleeve: what changes?

External means a dedicated pocket with its own zip, useful to take the laptop out without opening the main compartment. Internal means inside the main compartment. All eight models have a sleeve with Shock Absorber protection.

Conclusion

Start from your laptop's screen size and choose among the backpacks designed for it: 14, 15.6 or 17.3 inches. Then compare weight, capacity and sleeve position. If your laptop has wide bezels or is particularly thick, compare its measurements with the backpack's or try it in store.

External dimensions in centimetres, height × width × depth. Weight of the empty product.

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