Packing Box Calculator
How many moving boxes do you actually need? This free moving box calculator estimates by home size or room-by-room, gives you the right mix of box types, checks safe weight limits, and prices your full packing supplies — in about 60 seconds.
Home size → box estimate
Pick your home size and how much stuff you keep. The model returns a total, a range, and a box-type mix.
Your estimate
| Box type | Size | Count | Best for |
|---|
Room-by-room planner
List your rooms — the planner applies a documented per-room box mix and totals everything into a complete moving box list.
Your room plan
| Box type | Count |
|---|
| Room | Qty | Boxes |
|---|
Weight guard
Boxes fail from weight, not volume. Enter what a packed box will weigh and check it against conservative carrying-safety limits.
Safe fill limits (all box types)
| Box type | Max safe fill | Guidance |
|---|
Supplies & cost estimator
From your box counts: paper, tape, bubble wrap, and a total budget. Prices are US planning estimates.
Supplies list
| Item | Qty | Est. cost |
|---|
Boxes: · Supplies:
How the estimate works (methodology)
There is no physics formula for "how many boxes does a life need" — every published moving boxes calculator, box chart from moving companies, and retailer guide is a rule of thumb built from thousands of past moves. This tool is honest about that: it documents its numbers instead of hiding them behind a single magic output.
Mode 1 — home size model
Each home size has a base count and a published range, calibrated against industry charts:
| Home size | Estimate | Typical range |
|---|---|---|
| Studio apartment | 18 | 12–25 |
| 1-bedroom | 30 | 20–45 |
| 2-bedroom | 42 | 30–55 |
| 3-bedroom house | 56 | 45–70 |
| 4-bedroom house | 75 | 60–95 |
| 5-bedroom house | 95 | 75–120 |
| 6+ bedroom house | 120 | 95–150 |
The clutter multiplier scales the base: minimalist ×0.8, average ×1.0, heavy ×1.25. The total is then split by box type — 8% book, 20% small, 30% medium, 18% large, 12% XL, 6% dish pack, 6% wardrobe — and rounding is corrected so the mix always sums exactly to the total.
Mode 2 — room-by-room model
Each room type carries a fixed mix. A kitchen gets 8 boxes (3 small, 3 medium, 2 dish packs); a bedroom 7 (2 small, 2 medium, 1 large, 1 XL, 1 wardrobe); a bathroom 2; a garage 9, and so on. The full table is applied live in the planner above. A typical 3-bedroom preset (kitchen + 3 bedrooms + living + dining + 2 baths + laundry + garage) totals 56 boxes — deliberately identical to the Mode 1 base, so the two modes agree.
Mode 3 — weight guard
Limits are conservative carrying-safety numbers, not the structural failure point of the cardboard: a box can often hold more than you should carry or stack. Small boxes cap at 5 kg, medium at 8 kg, large/XL at 10 kg of light bulky goods only, dish packs at 8 kg, wardrobe boxes at 10 kg, book boxes at 12 kg.
Mode 4 — supplies ratios (the packing supplies calculator)
One 200-sheet packing paper ream per 8 boxes, one tape roll per 10 boxes, one small bubble wrap roll per 6 boxes, one stretch wrap roll per move, one mattress bag per bedroom, two markers. Box and supply prices are US planning estimates (2026).
Box types at a glance
| Box type | Volume | Max safe fill | Best for |
|---|---|---|---|
| Book box | 1.0 cu ft | 12 kg | Books, files, canned goods — dense and heavy |
| Small | 1.5 cu ft | 5 kg | Heavy small items: books, tools, pantry jars |
| Medium | 3.0 cu ft | 8 kg | The workhorse: kitchenware, toys, decor |
| Large | 4.5 cu ft | 10 kg | Light & bulky: linens, pillows, lampshades |
| XL | 6.0 cu ft | 10 kg | Comforters, cushions — never heavy items |
| Dish pack | 5.5 cu ft | 8 kg | Dishes & glasses with cell dividers |
| Wardrobe | 7.0 cu ft | 10 kg | Clothes on hangers, wrinkle-free |
Worked example: 3-bedroom house, step by step
- Home size → base. 3-bedroom, average clutter → base 56 boxes, range 45–70.
- Apply the type mix. 56 × 8% book = 4.48 → 4; 20% small = 11.2 → 11; 30% medium = 16.8 → 17; 18% large = 10.08 → 10; 12% XL = 6.72 → 7; 6% dish pack = 3.36 → 3; 6% wardrobe = 3.36 → 3. That sums to 55, so the largest type (medium) absorbs the +1: 4 / 11 / 18 / 10 / 7 / 3 / 3 = 56.
- Sanity-check volume. 4×1.0 + 11×1.5 + 18×3.0 + 10×4.5 + 7×6.0 + 3×5.5 + 3×7.0 = 199 cu ft of boxes — fits a 15–17 ft truck alongside furniture.
- Weight-guard the plan. Books go only in the 4 book boxes (12 kg limit each). The 18 medium boxes average ~6 kg — safely under the 8 kg cap. Large/XL boxes get linens only.
- Supplies. 56 boxes → ⌈56/8⌉ = 7 paper reams, ⌈56/10⌉ = 6 tape rolls, ⌈56/6⌉ = 10 bubble rolls, 1 stretch roll, 3 mattress bags, 2 markers.
- Budget. Boxes: 4×$1.25 + 11×$1.50 + 18×$2.00 + 10×$2.75 + 7×$3.50 + 3×$4.50 + 3×$8.00 = $147. Supplies: 7×$8 + 6×$4 + 10×$15 + $6 + 3×$7 + 2×$3 = $263. Total ≈ $410.
Quick answers: how many moving boxes do I need?
If you just want the number, this moving box estimator table has you covered. Run Mode 1 above for the full box-type mix behind each figure.
| Home | Boxes (estimate) | Range |
|---|---|---|
| Studio apartment | 18 | 12–25 |
| 1 bedroom apartment | 30 | 20–45 |
| 2 bedroom apartment / house | 42 | 30–55 |
| 3 bedroom house | 56 | 45–70 |
| 4 bedroom house | 75 | 60–95 |
| 5 bedroom house | 95 | 75–120 |
Wondering how many moving boxes for the kitchen alone? Budget about 8: 3 small, 3 medium, and 2 dish packs. Heavy book collectors should add 2–4 book boxes per full bookshelf — books are the densest thing most people own.
In plain questions: how many moving boxes for a studio? About 18. For a 1 bedroom apartment? About 30. For a 2 bedroom house? About 42. For a 3 bedroom house? About 56. For a 4 bedroom house? About 75. For a 5 bedroom house? About 95.
If you are asking "how many boxes do I need to move" — whether that is a 1 bedroom apartment, a 3 bedroom house, or a 5 bedroom house — the table above is the shortcut: this box calculator for moving covers every size from studio to 6+ bedrooms. To estimate the number of boxes for moving without any tool (how to estimate boxes for moving the old-fashioned way), count rooms instead of square feet: kitchens, garages, and bookshelves always surprise people. And if you were looking for a box packing calculator, free with no signup and no paywall — that is exactly what this page is. Pair the box estimate with the moving supplies calculator in Mode 4 for paper, tape, and bubble wrap.
Boundary note: what this tool is (and is not)
This tool plans boxes and supplies. Two sibling tools cover the neighboring questions, with zero overlap:
- Moving Cost Calculator — estimates what movers, truck rentals, and containers charge (DIY vs pro, distance, add-ons). Use it after this tool, once you know your box count.
- Packing List Generator — a travel checklist of what to put in your suitcase. Nothing to do with moving boxes.
Related depth: Moving Truck Lab (match your 199 cu ft of boxes to the right truck) and Cubic Feet Calculator (volume of anything).
Pro tips that actually matter
- Buy 10% extra. Unopened box bundles are returnable at most home stores; running out mid-pack is not fixable at 9 pm.
- Small boxes for heavy, large boxes for light. The single most common packing mistake is a 4.5 cu ft box full of books — 25 kg of regret.
- Tape an H. One strip down the center seam plus one across each edge on the bottom. Boxes over 8 kg get double tape.
- Fill every void. Boxes crush from empty space, not weight. Crumpled paper or linens in every gap.
- Number and list. Write the room and a 3-word contents note on two sides. "K-14 pots pans" beats "kitchen stuff" at midnight.
Frequently asked questions
How many moving boxes do I need for a 3-bedroom house?
A typical 3-bedroom house needs about 45 to 70 moving boxes. This calculator's rule-of-thumb model estimates 56 boxes for an average 3-bedroom home: 4 book boxes, 11 small, 18 medium, 10 large, 7 XL, 3 dish packs, and 3 wardrobe boxes. Minimalist households land near 45; heavy packers near 70.
How many boxes do I need for a 1-bedroom apartment?
A 1-bedroom apartment usually needs 20 to 45 boxes. The model estimate for an average 1-bedroom is 30 boxes: 2 book boxes, 6 small, 9 medium, 5 large, 4 XL, 2 dish packs, and 2 wardrobe boxes, about 110 cubic feet of packed volume.
How many moving boxes for a studio apartment?
A studio apartment typically needs 12 to 25 boxes, with a rule-of-thumb estimate of 18 for an average studio. Choose the minimalist setting if you travel light, or heavy if the studio doubles as a workshop or office.
What is the difference between a packing box calculator and a moving cost calculator?
They answer different questions. A packing box calculator (this tool) tells you how many boxes and supplies you need. A moving cost calculator estimates what movers, truck rentals, or containers charge. Use this tool first to size your box order, then our moving cost calculator to price the move itself.
Is this the same as a packing list generator?
No. A packing list generator is a travel checklist of what to put in your suitcase. This tool plans moving boxes: how many you need per room, which box types, safe weight limits, and supplies cost. Different intent, different tool.
Are wardrobe boxes worth it?
For most moves, yes for hanging clothes you wear weekly. A wardrobe box holds clothes on hangers so they arrive wrinkle-free and unpack in minutes. They are the priciest box (about $8 each), so the model only assigns 2 to 4 per move — use them for current-season clothes and box the rest flat.
What is the difference between a book box and a small box?
A book box (about 1.0 cubic feet) is smaller and double-walled for dense, heavy items like books, files, and canned goods, with a safe fill up to about 12 kg. A small box (about 1.5 cubic feet) is for general dense items but should stay under about 5 kg so it remains easy to carry and stack.
How much packing tape do I need for moving?
Plan one roll of packing tape per 10 boxes, then add one spare roll. A 3-bedroom move of about 56 boxes needs 6 to 7 rolls. Tape both the bottom and top seams with an H-pattern for boxes over 8 kg.
How much bubble wrap do I need?
A common rule is one small bubble wrap roll (about 0.75 m by 10 m) per 6 boxes. A 56-box move needs about 10 rolls. Use bubble wrap only for fragile items — fill the rest of the void with packing paper or linens to save money.
How heavy can I pack each moving box?
Follow the weight guard: small boxes up to 5 kg, medium up to 8 kg, large and XL up to 10 kg of light bulky items only, dish packs up to 8 kg, wardrobe boxes up to 10 kg, and book boxes up to 12 kg. These are conservative carrying-safety limits — the box may hold more, but your back and the stack will not thank you.
Can I mix rooms in one moving box?
You can, but label the box with every room inside or unpacking turns into a treasure hunt. A better rule: one box, one room, except for linens and cleaning supplies. The room-by-room planner above assumes one-room-per-box, which is why its totals run slightly higher than mixed packing.
How many boxes fit in a moving truck?
It depends on box size and how well you tetris. A 56-box 3-bedroom load is about 199 cubic feet of boxes, which fits comfortably in a 15 to 17 ft truck with furniture. Use our moving truck lab to match your box count and furniture to the right truck size.
How far in advance should I start packing boxes?
Start 3 to 4 weeks out for a 2 to 3 bedroom home. Here is a simple packing to move timeline: week 1 storage areas and decor, week 2 books and off-season items, week 3 most rooms, final week daily essentials. Packing about 5 to 8 boxes a day keeps it painless — a 56-box move is roughly 8 to 10 relaxed packing days.
Are these box estimates guaranteed?
No — they are documented industry rule-of-thumb estimates, not guarantees. Two identical 3-bedroom homes can need 45 or 70 boxes depending on clutter, books, and hobbies. The model is honest about this: every estimate shows a range, and the methodology section lists the exact per-room numbers behind it. Buy 10 percent extra; unopened bundles are returnable at most stores.
How can I estimate the number of boxes for moving without a calculator?
Walk room by room: 2 boxes per bookshelf, 8 for the kitchen (3 small, 3 medium, 2 dish packs), 7 per bedroom, 2 per bathroom, 9 for the garage. Add them up, then add 10 percent. That is exactly the arithmetic this moving packing calculator automates in Mode 2.
How to get boxes for moving for free?
Liquor stores give away sturdy divided boxes, bookstores have strong small boxes, and grocery stores have plenty of produce boxes — ask in the morning before they are crushed. Check the free section of Facebook Marketplace or Craigslist, and Nextdoor. Avoid used grocery boxes for heavy items since they may have gotten damp, and inspect every free box for soft spots or food smells.
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