This free packing cube planner turns your clothing counts into a clear cube plan. Enter how many shirts, trousers and pieces of underwear you are taking, and the tool tells you how many small, medium and large cubes you need, so your suitcase packs neatly with no wasted space.
Packing cubes work because they turn a loose pile into firm blocks. A shirt folded into a cube keeps its shape, trousers rolled into a large cube stay flat, and small items stop vanishing into corners. The result is a suitcase you can open in a hotel and close again in two minutes, without repacking everything.
To use the tool, enter your numbers in the fields above and press the calculate button. The results table updates at once, and you can change any number and calculate again as often as you like. Everything runs in your browser, so nothing you enter is sent to a server, and you need no account and no sign-up.
The plan uses simple capacities: a medium cube holds about 5 shirts, a large cube holds about 4 pairs of trousers, and a small cube holds about 8 pieces of underwear or socks. Each count is rounded up, so a half-full cube still counts as one cube, because you cannot buy half a cube and a spare cube is always useful.
Example: for 10 shirts, 4 trousers and 14 pieces of underwear, the tool gives 2 medium cubes, 1 large cube and 2 small cubes, 5 cubes in total for 28 items. Pack shirts in the medium cubes, trousers in the large cube, and underwear in the small cubes, and the whole load fits in tidy rows.
Tip: roll soft clothes and fold stiff ones. Knits and T-shirts roll well and fill a cube fully, while shirts with collars fold better and wrinkle less, so mix the two methods by garment instead of using one method for everything.
Tip: keep one cube for dirty laundry. An empty small cube in the suitcase gives dirty clothes a home from day one, so clean clothes stay clean and packing for the return trip takes half the time.
Tip: label cubes by day or by person. A cube per person on a family trip, or a cube per two days on a solo trip, means nobody unpacks the whole suitcase to find one shirt in the morning.
Common question: How many cubes do I need for a week? For a typical week of 7 shirts, 3 trousers and 14 pieces of underwear, this planner gives 2 medium, 1 large and 2 small cubes. Add one spare small cube for chargers and small items, and a week fits in a cabin bag for most travellers.
Common question: Do packing cubes save space? They save organisation more than raw space, because the same clothes take the same volume. What they really save is time and wrinkles: cubes compress soft clothes a little and stop everything shifting in transit.
Common question: Should cubes match my suitcase brand? No. Any standard cube set works in any suitcase, as long as the cube sizes fit the case depth. Measure the case first, then buy cubes that stack in full rows rather than leaving odd gaps.
Packing well is a skill that pays off on every trip. A bag that is planned before you leave saves time at the hotel, avoids overweight fees at the airport, and leaves room for the things you bring home. Spend ten minutes with a plan and the whole trip feels calmer, from the first morning to the last evening.
This tool is free to use as often as you like. Bookmark it, run it before every trip, and let it carry the counting while you focus on the journey itself, the places you will see, and the people you will meet along the way.
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