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What size travel backpack do I need?
At Eastpak, we've refined our backpack designs over the decades for style, comfort and everyday convenience. From lightweight daypacks to convertible carry-on backpacks, our backpack collection has it all. Not to mention our products have always been Built to Resist, you can't rest easy knowing your Eastpak backpack will last.
Here, we weigh up the best size and style for your next adventure to help you go the distance.
What size travel backpack do I need?
At Eastpak, we've refined our backpack designs over the decades for style, comfort and everyday convenience. From lightweight daypacks to convertible carry-on backpacks, our backpack collection has it all. Not to mention our products have always been Built to Resist, you can't rest easy knowing your Eastpak backpack will last.
Here, we weigh up the best size and style for your next adventure to help you go the distance.
What is the best size for a travel backpack?
The best size backpack is one you can carry for your entire trip. It might sound over simplistic, but what you can carry isn’t just about weight.
Sure, you’ll need the right literage. You’ll often see hikers and festival goers carrying around 50 litres. A weekend away might only need 30 litres of packing space.
However, a backpack’s shape, material, and weight distribution features will impact what you find to be a comfortable carrying weight.
What is the best size for a travel backpack?
The best size backpack is one you can carry for your entire trip. It might sound over simplistic, but what you can carry isn’t just about weight.
Sure, you’ll need the right literage. You’ll often see hikers and festival goers carrying around 50 litres. A weekend away might only need 30 litres of packing space.
However, a backpack’s shape, material, and weight distribution features will impact what you find to be a comfortable carrying weight.
Choosing the Perfect Backpack Size
If you need volume, deep rectangular backpack styles will offer more space than triangular packs. They’re bulkier and sometimes have additional features like padded shoulder straps for comfort, or a chest or hip strap to distribute and stabilise the extra weight they let you carry.
- Travelpack Tarp measures H 51 x W 33 x D 23 cm and holds 42 litres
- Transit'r Pack measures H 44 x W 26 x D 20 cm and holds 28 litres
But if your travel plans require you to be ultra mobile, access your items quickly or squeeze onto crowded public transport, a triangular-shaped pack is more streamlined. It sits closer to the body and it’s easier to access the contents on the go.
- Padded Pak'r measures H 40 x W 30 x D 18 cm and holds 24 litres
- Getter Pro measures H 47.5 x W 32 x D 15 cm and holds 23 litres
Both rectangular and triangle packs can come with features like compression straps and loops to attach extra items if you want to increase the volume of your pack.
Roll top backpacks are also an expandable option for an adjustable amount of space. They’re a simpler design and so they’re usually a little lighter, but this does mean they don’t usually have additional compartments or the extra weight distribution features of a classic backpack.
What size backpack for 7-day trips
Whether you’re spending 7 days on a hike or just interrailing around Europe, you’ll want an option you can carry comfortably on your shoulders.
Our 36 litre, water-resistant Volker Pro with padded back panel and reinforced protective base is the ideal companion for outdoor adventures.
What size backpack for 10-day trips
When you need a little more than a week's worth of gear, a 50 to 60-litre backpack is ideal for 10-day trips.
Our medium-sized Duffel Pack Wheel M backpack has a 60 litre capacity, compression straps, which you can use to tighten your bag or tether extra items to it, and wheels for easy hauling.
What size backpack for 2-week trips
A 60 to 70-litre backpack offers plenty of space for fortnight-long adventures.
The Duffel Pack M backpack, which doubles up as a duffel bag, can hold 70 litres. It’s a good size for a range of activity gear and enough room for a wardrobe you won’t have to wash while you’re away.
What size backpack for 1-month travelling
A month or more away from home will usually involve smart packing, choosing items you can reuse and restock along the way for a lighter load and greater mobility.
A 42-litre Travelpack is a manageable size for a month of travelling on your feet. It’s also water resistant, ideal if the weather breaks over the course of your month-long trip.
What size backpack for 6-month travel
6 months of travel will open up a variety of different experiences. To ensure you’re stocked for the adventure, you’ll want enough volume without sacrificing on comfort.
Again, also here we can say that the Travelpack would be a good fit for a variety of activity gear and bulkier clothing.
What size backpack for 1-year travelling
A year on the road can mean many different terrains and certainly all seasons. You’ll want to make sure you choose a durable option with plenty of adaptability, space, and comfort.
For 1-year travelling, our cabin-size approved (for most airlines) Travelpack might be the best option. Practical and comfortable to carry thanks to its tuck-away padded shoulder straps and tuck-away carry handles, the Travelpack has plenty of room for all your essential.
What size backpack for 1-month travelling
A month or more away from home will usually involve smart packing, choosing items you can reuse and restock along the way for a lighter load and greater mobility.
A 42-litre Travelpack is a manageable size for a month of travelling on your feet. It’s also water resistant, ideal if the weather breaks over the course of your month-long trip.
What size backpack for 6-month travel
6 months of travel will open up a variety of different experiences. To ensure you’re stocked for the adventure, you’ll want enough volume without sacrificing on comfort.
Again, also here we can say that the Travelpack would be a good fit for a variety of activity gear and bulkier clothing.
What size backpack for 1-year travelling
A year on the road can mean many different terrains and certainly all seasons. You’ll want to make sure you choose a durable option with plenty of adaptability, space, and comfort.
For 1-year travelling, our cabin-size approved (for most airlines) Travelpack might be the best option. Practical and comfortable to carry thanks to its tuck-away padded shoulder straps and tuck-away carry handles, the Travelpack has plenty of room for all your essential.
What size backpack fits under airplane seats?
If you're a frequent flyer, you’ll want to make sure your backpack fits within the underseat bag size requirements. Each airline has its own rules, but the strictest airlines tend to limit bags to 40 x 20 x 25 cm.
How To Measure Backpack Size
You might want to measure a backpack you currently have against a new option or find out if it’s the correct size for a flight. To do this:
- Empty the backpack completely
- Measure the height by placing the backpack upright and measuring from the bottom to the top of the bag
- Measure the width of the backpack at its widest point from side to side
- Measure the depth, from the front to the back of the backpack
- Calculate the volume by multiplying height × width × depth. This will give you the volume in cubic centimetres. Then divide by 1000 to convert to litres
Keep in mind that this calculation gives you an approximate volume and may not take into account external pockets and other features.
You can find all this information in each product description on our Eastpak website. For example, our iconic Padded Pak'r measures H 40 cm x W 30 x D 18 cm (height, width and depth). The volume is 24 L (litres).
Backpack volume guide
Talking in litres can sometimes feel a little abstract, so it’s good to have a reference point for what a backpack of a certain volume can actually hold in terms of real items you’re likely to take.
For example:
- A 20-30 litre backpack can hold a few t-shirts, an extra pair of bottoms and a small laptop. The 30-litre option will allow for a jacket and a few more accessories.
- A 40-50 litre backpack can hold bulkier outdoor wear and extra shoes or boots.
- A 60-70 litre backpack can hold a variety of camping equipment and supplies, and a range of clothing for cold and wet weather.
Find Your New Travel Backpack for Your Next Trip
Ready to find your new backpack for your next planned trip and future spontaneous adventures? Use our handy backpack finder tool to narrow your search by volume, features, colour and more.
Moreover, remember that Eastpak got your back: if any manufacturing defects related to materials or workmanship showed up during your trip, you're covered by our 30 years limited warranty.
Find Your New Travel Backpack for Your Next Trip
Ready to find your new backpack for your next planned trip and future spontaneous adventures? Use our handy backpack finder tool to narrow your search by volume, features, colour and more.
Moreover, remember that Eastpak got your back: if any manufacturing defects related to materials or workmanship showed up during your trip, you're covered by our 30 years limited warranty.
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