The short answer: The sudoku packing method is a way to fill a suitcase like a sudoku grid. You fold or roll each clothing item into a neat block, then fit the blocks side by side in rows, turning some sideways so every gap is filled. Nothing shifts, nothing wastes space, and you can see every item at a glance when you open the bag.
Our picks for sudoku packing method
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Household Binder
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Home Management Bundle
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How to sudoku pack a suitcase, step by step
- Lay out everything first. Put every item on the bed and cut anything you won't wear twice.
- Sort by type. Group tops, bottoms, sleepwear, underwear and layers into piles.
- Make same-size blocks. Fold or roll each item to the width of your suitcase divided into three or four columns. Tight rolls work for T-shirts and leggings. Flat folds work for jeans and sweaters.
- Start with the heaviest row. Place shoes and jeans at the wheel end of the bag so it stands up straight.
- Fill the grid row by row. Line blocks up in columns. Turn a block sideways when the next space is wider than it is tall.
- Plug the gaps. Socks, belts, chargers and underwear fill the small holes, the way a single number finishes a sudoku row.
- Add a top layer. Lay a dress, button-down shirt or blazer flat across the finished grid.
- Pack your liquids last. Keep the quart-size bag on top in a carry-on so it comes out fast at security.
A starter grid for a three-column carry-on
Use this layout for a long weekend or a holiday visit. Swap items to match your trip.
| Row | Column 1 | Column 2 | Column 3 |
|---|---|---|---|
| Row 1 (wheel end) | Shoes in a bag, socks stuffed inside | Jeans, folded flat | Second pair of pants, folded flat |
| Row 2 | Three rolled T-shirts | Sweater, folded into a block | Rolled leggings or sleep pants |
| Row 3 | Rolled pajamas | Two rolled long-sleeve tops | Underwear and socks block |
| Gaps | Charger and cords | Belt, coiled | Swimsuit or slippers |
| Top layer | One button-down shirt or dress laid flat across the whole grid | ||
| Front pocket | Liquids bag, medicine, documents |
Write the trip plan, flight times and who is watching the house in the travel itinerary template before you zip the bag.
Still booking the trip itself? Use our trip planning checklist to set the budget, book travel and plan your days before packing day.
Sudoku packing vs. other packing methods
| Method | How it works | Best for |
|---|---|---|
| Sudoku packing | Folded and rolled blocks fitted into a tight grid | Carry-ons and seeing everything at once |
| Rolling | Every item rolled tight and stacked | Casual knits and T-shirts |
| Bundle packing | Clothes wrapped around one core item | Fewer wrinkles in dress clothes |
| Packing cubes | Items grouped in zip cubes | Families sharing one bag |
| Flat folding | Clothes stacked in layers | Checked bags with plenty of room |
You can mix methods. Many people roll T-shirts, fold jeans flat and still arrange both in a sudoku grid. Packing cubes also work as larger grid squares.
Carry-on rules to know before you pack
A tight grid helps most in a carry-on, so plan around the screening rules. The TSA liquids rule allows one quart-size bag of travel-size liquids, gels, creams and aerosols. Each container must be 3.4 ounces (100 milliliters) or less. Anything larger goes in a checked bag.
Not sure about a specific item, like a curling iron, snow globe or homemade pie? Search the TSA What Can I Bring list before you pack it. Wrapped gifts may need to be opened at screening, so many travelers wait and wrap at their destination.
A holiday travel packing starter list
Heading home for Thanksgiving or Christmas? Build your grid from this short list, then check the full packing list for anything else.
- Clothes: one outfit per day, plus one dressier holiday outfit and one cozy layer
- Sleep and lounge: pajamas, slippers and warm socks
- Toiletries: quart bag of travel sizes, toothbrush and any prescriptions in original bottles
- Tech: phone charger, a short extension cord and headphones
- Documents: ID, boarding passes and a printed copy of your plans
- Gifts: small, flat and unwrapped, packed in the top layer
Holiday trips add up fast. Set your number with our holiday travel budget for families and the vacation budget guide, and find savings in our budget travel tips.
Using the sudoku method for moving boxes
The same idea works when you move. Put heavy, square items like books in small boxes and fill the gaps with towels or linens. Stack boxes in the truck in tight rows, heaviest at the bottom, so nothing slides. Label every box by room, and log what's inside with our moving inventory list and the full moving checklist.
Hiring movers for an interstate move? The federal Protect Your Move site explains your rights and how to check a mover before you book.
Plan the trip or the move
- Household Binder ($6.99): family info, emergency plan, calendars, meals, groceries, cleaning, bills and sitter notes.
- Moving Planner ($5.99): everything from eight weeks out to your first week in the new place.
- Home Management Bundle ($16.99, regularly $32.94): household binder, maintenance log, moving planner, cleaning schedule, home inventory and password log.
Browse every home planner in Home or save more with bundles. Traveling for the holidays? Get the free Holiday Budget Starter Kit, 3 US Letter pages emailed to you after you join our list.
Plan the move week by week
Family info, emergency plan, calendars, meals, groceries, cleaning, bills and sitter notes.
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Frequently asked questions
What is the sudoku packing method? The sudoku packing method is a way to pack a suitcase in a tight grid of folded and rolled clothing blocks, like squares in a sudoku puzzle. Each block fits next to the others, and small items fill the gaps. The Household Binder ($6.99) keeps the rest of the trip organized, from emergency contacts to sitter notes.
How do you sudoku pack a suitcase? Fold or roll each item into blocks the same width, then line them up in rows across the suitcase. Put shoes and jeans at the wheel end, turn blocks sideways to fill wide spaces and tuck socks and cords into the gaps. Lay one flat item across the top before you zip.
Does the sudoku packing method save space? Yes, sudoku packing usually saves space because it fills the empty corners that loose folding leaves behind. The blocks also press against each other, so clothes shift less in transit. How much room you gain depends on your bag and how tightly you roll.
Is sudoku packing better than rolling clothes? Sudoku packing and rolling work best together. Rolling makes tight tubes, and the sudoku grid tells you where each tube goes. Many travelers roll knits, fold jeans flat and fit both into the same grid for a full, tidy bag.
Does sudoku packing wrinkle clothes? Sudoku packing causes few wrinkles in knits, T-shirts and jeans, because tight blocks don't shift. Dress shirts and dresses wrinkle more when rolled. Lay those flat across the top of the grid, or bundle them, to keep them smooth.
Can I use packing cubes with the sudoku method? Yes, packing cubes work like larger sudoku squares. Fill each cube with one type of clothing, then fit the cubes into the suitcase in rows. Families sharing one bag can give each person a different color cube.
What should go in the bottom of a suitcase? Heavy items like shoes, jeans and toiletry bags belong at the wheel end of a rolling suitcase. That keeps the bag balanced when it stands up. In a duffel, put heavy items in the center so the bag carries evenly.
How do I pack liquids in a carry-on? The TSA allows one quart-size bag of liquids, gels, creams and aerosols in a carry-on. Each container must hold 3.4 ounces or less. Pack the bag on top of your sudoku grid so it comes out quickly at the security checkpoint.
How do I pack for a holiday trip in a carry-on? The Household Binder ($6.99) keeps your trip plans, contacts and sitter notes in one place while you're away. In the bag, plan one outfit per day plus one dressier holiday outfit, then roll and fold them into a three-column grid. Pack gifts small, flat and unwrapped in the top layer.
Can I bring wrapped gifts through airport security? You can, but wrapped gifts may need to be opened if they need a closer look at screening. To avoid rewrapping, pack gifts unwrapped and wrap them at your destination. Gift bags or boxes with separate lids are easier to check.
Does the sudoku method work for moving boxes? Yes, the sudoku idea works for moving too. The Moving Planner ($5.99) covers each task from eight weeks out to your first week in the new home. Pack heavy items in small boxes, fill gaps with linens and stack boxes in tight rows with the heaviest on the bottom.
How many outfits should I pack for a week? Plan five to seven mixable outfits for a week, built around two or three bottoms that match every top. Wear your bulkiest shoes and jacket on travel day. A sudoku grid makes it easy to see if you've packed too much before you zip.
Where did the sudoku packing method come from? The sudoku packing method spread on social media as a travel trend. People shared photos of suitcases packed in neat grids that looked like sudoku puzzles. The idea builds on older tips like rolling clothes and filling every gap.
What should I write down before a trip? The Home Management Bundle ($16.99, regularly $32.94) includes the household binder, home inventory and password log, so home details are recorded before you leave. Write down flight times, addresses, emergency contacts and who is watching the house or pets. Leave a copy with someone at home.
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Sources
- TSA: Liquids, Aerosols and Gels Rule tsa.gov
- TSA: What Can I Bring? tsa.gov
- FMCSA: Protect Your Move fmcsa.dot.gov