Going for a trip but don’t want to carry the huge burden of a backpack? Well, you do need to take a backpack for carrying your necessities. So how can we help you? No, you don’t need to answer that; we are extremely good in guessing :p. We can provide you with the best information about what is the best size for a travel backpack.
Usually, backpacks are between 25 and 85 liters, yes that’s huge.
Smaller bags of around 25L are ideal for use as daypacks. They work well when you’re only carrying a few items that you need handy like a light jacket, book, or camera for a one-day outing or so. On the other hand, twenty-five-litre bags can also be used for short weekend trips if you’re a light packer.
Large bags of 65 liters and above are for long hiking trips. These bags work well in the outdoors when you will be carrying multiple days of clothing and camping gear.
Bags larger than 65L are too big for travel, even on extended trips. If you are going to travel for more than a week or two, you’ll need to do laundry. Pack light, preferably in a carry-on bag, and do laundry every few weeks. And lastly, this is especially for the girls, please do not carry your entire closet in your backpack. Just kidding, but pretty serious about the latter phrase.
Between these two extremes is the sweet spot for luggage size. Although we recommend 45 liters, 35- 45 liters packs are ideal for travel.
The ideal volume for a backpack is a function of its dimensions.
For the flight passengers, most airlines allow carry-on luggage up to 22″ x 14″ x 9″. We may also see a limit of 45 linear inches (length + width + height). The ideal bag is carry-on-sized and takes full advantage of the airlines’ size restrictions. Until and unless you’re a paragon of light packing, you’ll want all the space you can get without having to check your bag.
As we said earlier, 45 liters bag is the most efficient use of your carry-on luggage allowance. It provides you the most packing space without having to check a bag.
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Bags larger than 45L cannot be carried on. Much like a rowdy and fussy fellow passenger, it will tend to take away all the space that the airlines allow you. We, of course, don’t want that for you.
So why are we talking about the carry-on bags so much? Ideally, a backpack is carry-on sized for:
- Portability: It’s easier to transport compared to other bags.
- Avoids baggage fees: It saves $50 per round trip flight.
- Greatly reduces baggage size: Packing light is difficult, so self-imposed constraints can prove to be a good thing at times. No, don’t thank us; it’s all about the backpack.
- Prevent airlines from mishandling or losing your bag: Keep it on the plane with you and in your hands, not theirs. It just solved your security problem!
On budget airlines, make sure to weigh your bag, even if it is carry-on-sized. Most airlines allow bags up to 22 lbs (10 kg), but budget airlines are stricter and may charge you for the extra weight or force you to check your bag and pay the baggage fees. Just a tip!
If you need some expert opinion, listen to Melissa Arnot, who has climbed Mount Everest a total of five times—just one short of Lakpa herpa’s Guinness Book of World Record—and who agrees the 40L mark is a good delineator.