Luggage Size Calculator
Enter how many days you are going for, how you pack, the season and whether you can do laundry. The calculator works out the litres you need and suggests a suitcase size, from a cabin bag to an extra large case.
- Suitcase size
- Litres for your trip
- Cabin bag only?
Volumes are for clothes and essentials. Add space for gifts on the way home.
Pack about 6 litres a day, plus room for shoes and toiletries. A week away with average packing needs about 52 litres, a medium 24 inch case. Light packers can manage a week in a 40 litre cabin bag. With laundry on the way, you only ever need a week's worth.
Luggage size by trip
Average packing, summer. Search for a trip.
| Days | Litres | Suggested bag |
|---|---|---|
| 2 | 22 | Cabin bag |
| 3 | 28 | Cabin bag |
| 5 | 40 | Cabin bag |
| 7 | 52 | Medium case |
| 10 | 70 | Large case |
| 14 | 94 | Extra large |
| 21 | 136 | Extra large |
Litres needed.
Trip length and luggage
Average packing, summer. Slide the days.
The four common case sizes are drawn with the one you need highlighted.
How to choose luggage size
Days to litres. Step through it.
Count days
Of clothes.
Hard cases protect better but cannot squeeze into tight spaces. Soft cases flex.
Cabin, medium or large
Case sizes. Compare them.
Up to about 40 L.
About 60 L.
About 90 L.
Larger cases make it easy to go over the weight allowance, so weigh before you go.
Before you pack
Packing checks. Tick each item.
Tick each item as you go.
Lay everything out first, then put back a third of it.
What you get
Luggage sizing. Each tile explains one result.
Needed.
Suggested.
Yes or no.
Estimate.
Packed for.
A packed suitcase weighs about 0.2 kg a litre, so a 90 litre case often meets the 23 kg limit.
Frequently Asked Questions
No question matches that search.
What size suitcase do I need for a week?
About fifty to sixty-five litres, a medium twenty-four inch case, for average packing.
Can I travel a week with just a cabin bag?
Yes, if you pack light or can do laundry.
How many litres is a large suitcase?
About ninety litres for a twenty-eight inch case.
What size suitcase for two weeks?
A large case of about ninety litres, or a medium one if you can do laundry.
Do winter trips need bigger luggage?
Yes, about a third more for bulky clothes.
Is a bigger suitcase better?
Not always. It is heavier and tempts you to overpack.
How heavy will my packed case be?
Roughly a fifth of a kilogram for each litre.
Pack the right case
Size your luggage to the trip, not the other way round, and travel lighter.
More size calculators
Each one has its own calculator, worked examples and answers to common questions.