Calculate the exact box for every order before it ships. Charge accurate shipping, reduce dimensional weight, and eliminate wasted space.
checkNo credit card requiredboltAPI in minutes
Used by ecommerce brands and fulfillment teams optimizing shipping costs.
Shipping Savings: $4.22
Dimensions: 10.0 x 10.0 x 10.0 in
10 units
Undercharge Customers
Lose margin on every order when estimated shipping doesn't cover dimensional weight charges.
Oversized Boxes
Pay to ship empty space. Every cubic inch of void fill is money wasted on air.
Inconsistent Packing
Unpredictable costs when every warehouse worker picks a different box for the same order.
Size correction increased postage
Lost Margin
$7.35
Calculate the exact box and dimensional weight before checkout — so you never lose margin.
Customer adds items to their order
Calculates optimal box & dimensional weight
Box dimensions + accurate shipping cost
Show accurate shipping at checkout. Stop eating margin on every order.
Complex kits with mixed items. Optimize box selection across warehouse distributions.
Standardize packing decisions across shifts and locations. Consistent box selection every time.
Design packaging around your recurring SKU mix. Optimize box inventory for predictable orders.
Kill hidden shipping surcharges before they eat your profit.
Shrink box dimensions to hit lower carrier weight tiers.
Remove the "best guess" from the packing table for good.
Identify which custom boxes are actually saving you money.
Reduce shipping costs by optimizing box selection and eliminating wasted space.
$2,000–$5,000 saved per month
Box: Large
Shipping: $14.50
Box: Medium
Shipping: $10.20
Estimates based on typical ecommerce shipments
Provide items in the order
Packwell calculates best box & layout
Receive dimensions + packing plan
Use in checkout or warehouse
From intelligent box matching to real-time 3D verification, Packwell gives your warehouse the tools to cut waste and speed up every order.
Packing calculations in under 50ms for high-volume checkouts.
Define nesting, stacking, and fragility rules per SKU.
Review orientation, void fill, and fragile-item spacing before the order reaches the floor.
Surface the best box from live inventory so every order lands inside the lowest-cost fit.
{
"id": "fcaf6650-e07f-4768-b5c7-11d6991e73be",
"units": {
"unitSystem": "cm",
"dimension": "cm",
"weight": "g",
"dimensionalWeight": "kg"
},
"result": {
"box": {
"id": "f7599914-5cdb-4f73-9b39-3d81003e7b42",
"name": "Small Box",
"width": 30,
"height": 20,
"depth": 45,
"spacing": 0.25,
"maxWeight": 1.3,
"dimensionalWeight": 6
},
"visualization": {
"status": "pending",
"perspectiveUrl": "https://packwell.io/4a66f77.png",
"frontUrl": "https://packwell.io/4a66f7a.png",
"sideUrl": "https://packwell.io/4a6617a.png",
"topUrl": "https://packwell.io/4a66477a.png"
}
}
}Choose a plan that fits your packing volume today, then unlock automation and analytics as your operation expands.
For small teams validating pack-rate improvements.
For teams automating box choice across daily operations.
For high-volume ops teams optimizing cost by lane, box type, and SLA.
For enterprise teams needing tailored rollout, governance, and long-term support.
Every mismatched box is money lost on dimensional weight charges and wasted packaging. Packwell picks the right carton for every order automatically.
Medium (14×10×8)
Calculated instantly