How to pack for a week in a carry-on
Seven days fits a carry-on without heroics. Here is the exact count, what changes in winter, and the two items that ruin it.
By Michael W. · Last updated September 13, 2026
We earn a commission when you buy through our links, at no extra cost to you. It never changes what we pick or how we rank it. How we’re funded.
A week fits a carry-on comfortably, without laundry and without extreme measures. A 22 x 14 x 9 bag holds around 40 liters, and seven days of clothes for one person is roughly 25 of those. The margin is real. What uses it up is not clothes - it is shoes and liquids, and both are solvable.
So this page gives the exact count rather than principles. You can adjust it, but if you start from a specific list and subtract, you end up with a bag that closes. If you start from a wardrobe and try to be disciplined, you do not.
The exact list for seven days
| Category | Count | Notes |
|---|---|---|
| Tops | 6 | Mix of t-shirts and one or two smarter options |
| Bottoms | 3 | You will re-wear these. Nobody notices |
| Underwear | 7 | The one thing not worth rationing |
| Socks | 7 | Merino if you might sink-wash |
| Warm layer | 1 | Fleece or sweater. Wear it if you can |
| Waterproof layer | 1 | Packs small, and the trip is ruined without it |
| Sleepwear | 1 | Or the t-shirt you are not wearing tomorrow |
| Shoes | 2 pairs | Including the pair you fly in |
| Swimwear | 1 if relevant | Weighs nothing, packs to nothing |
That is roughly 25 liters, in a 40-liter bag. The remaining 15 liters take the toiletry kit, the tech pouch, a day bag and whatever the trip specifically needs. The margin is the point - a bag packed to exactly its capacity has nowhere to put the things you buy.
Suitcase or backpack for a week?
The clothing list is identical; only the bag changes. Choose by route rather than by packing style.
- Flat terminals, one or two bases, heavy packing. Suitcase. The weight sits on the floor rather than on you - see best carry-on luggage.
- Stairs, cobbles, several cities, or a weighed cabin allowance. Backpack. It handles the ground and leaves more of a 7 kg limit for your clothes - see best travel backpacks.
- Back or shoulder problems. Suitcase, and that consideration outranks every route argument.
Travel backpack vs suitcase has the full comparison, including the count-your-stairs test that settles it faster than any spec sheet.
A week in winter
Winter is the case where a carry-on week genuinely gets hard, and the arithmetic is unkind: a coat, a fleece and boots can take twenty liters between them. Three things make it work.
- Wear the coat and the boots. Non-negotiable, and worth more than everything else combined. Neither counts as baggage.
- Layer rather than bulk. A merino base layer, a mid-layer fleece and a shell are warmer than one thick coat and pack to a fraction of the size. The base layer also washes and dries overnight.
- Compress the lofty items. Compression cubes genuinely work on fleeces and puffers. They do nothing for jeans and shirts, so do not bother.
Cut the top count from six to five in winter, because you will be wearing a layer over most of them and they stay clean longer. That is one of the few places where cold weather actually helps.
A week for men
The list above works unchanged. The two adjustments worth making: one pair of trousers can usually be replaced by chinos that work for both day and evening, which removes a whole bottom from the count; and if the trip includes anything requiring a jacket, a soft unstructured blazer packs flat in a garment folder where a structured one does not.
The item most often over-packed is t-shirts. Six tops for seven days is correct, because you will wear one of them twice and you will not care. Travel essentials for men covers the rest of the kit.
The two things that break a carry-on week
1. Shoes
Three pairs for a seven-day trip is the most common packing error there is. Shoes are dense, bulky and awkwardly shaped, and the third pair typically gets worn once. Two pairs, one of them on your feet, and stuff both with socks - see best shoe bags for travel for keeping the soles off your clothes.
2. Liquids
The 3-1-1 rule caps you at one quart bag regardless of how long the trip is, and that allowance does not scale with days. The fix is not better packing, it is fewer liquids: solid toiletries remove items from the quart bag entirely rather than shrinking them.
Neither of these is a technique problem
No packing method, cube or compression bag fixes three pairs of shoes or a full-size shampoo bottle. If your carry-on will not close, check those two before you buy anything.
Quick picks
The short list. Tap any row for the full write-up, including what each one is bad at.
| # | Product | Best for | Price |
|---|---|---|---|
| 1 |  Travelpro Platinum Elite 21-inch Expandable Carry-On Spinner About 40 liters inside the standard limit - a week, unexpanded. | Flat ground, one or two bases | |
| 2 |  Osprey Farpoint 40 Travel Pack Forty liters in a frameless pack, which is far lighter empty. | Stairs, cobbles and weighed cabin bags | |
| 3 |  Gonex Compression Packing Cubes Squeezes the air out of fleeces and sweaters, which is where winter bulk lives. | Cold-weather trips |
The wheeled bag that holds a week without expanding
Travelpro Platinum Elite 21-inch Expandable Carry-On Spinner
If you are rolling rather than carrying, this is the size and build that makes a week work. The key detail is that the 40 liters is available without using the expansion zip, which would put the bag over every published carry-on limit.
The specs that decide it
- Capacity: About 40 liters unexpanded - a week for one person
- Size: Built to the 22 x 14 x 9 standard
- Access: Front pockets for the liquids bag and tech pouch
Flaws but not dealbreakers
Expanded it is over the limit on every airline in our size table, so treat that capacity as checked-only. Softside also gives little protection to anything fragile in a full overhead bin.
The same week, carried instead of rolled
Osprey Farpoint 40 Travel Pack
Exactly the same clothing list, in a bag that handles stairs and rough ground and leaves far more of a weighed cabin allowance for your clothes. The choice between this and the suitcase is about your route, not your packing.
The specs that decide it
- Capacity: 40 liters - the same week's worth
- Weight: Much lighter empty, which matters on a 7-10 kg cabin limit
- Opening: Clamshell, so it packs like a suitcase
Flaws but not dealbreakers
You carry the weight, which over a long flat terminal is tiring, and it is the wrong choice for anyone with back or shoulder problems. The suspension is also tuned for airports rather than hiking.
The thing that makes a winter week fit
Gonex Compression Packing Cubes
Cold weather roughly halves what fits, because a fleece and a couple of sweaters take the volume of most of a summer week. Those are lofty items - mostly trapped air - which is exactly what compression removes. On a summer trip these do very little.
The specs that decide it
- Works on: Fleeces, puffers, sweaters - the things that make winter bulky
- Does nothing for: Shirts, jeans, anything already dense
- Bonus: Works as an ordinary cube when you skip the compression zip
Flaws but not dealbreakers
Compressed clothes crease, and a compressed bag is denser rather than lighter - so on a weighed cabin allowance you can compress your way into being overweight without the bag looking any fuller.
Frequently asked questions
Can you fit a week of clothes in a carry-on?
How many outfits for a week in a carry-on?
How do you pack for a week in winter in a carry-on?
Is a backpack or suitcase better for a week?
Do I need to do laundry for a week trip?
Read next
- How to pack a carry-on
- Carry-on only packing list
- Best compression packing cubes
- Best travel laundry kit
- Travel backpack vs suitcase
- TSA liquid rules
More in Packing, or see every roundup and comparison on the site.