Stop Guessing Your Packing Costs.
PackWiser is a free packaging cost estimator. Get the box size, protective materials and labor for any item in seconds, and know before you ship when one box isn't enough or a carrier surcharge is coming.
100% Free. No account required.
Already have a carton? Check it with the Box Advisor
From Dimensions to Dollars in Seconds
Our physics-based engine does the heavy lifting for you.
1. Enter Item Details
Input dimensions, weight, and fragility. Packing multiple items? We work out how they fit together.
2. Engine Calculates
PackWiser picks the best-fitting box, sizes the void fill, and estimates labor time.
3. Get Your Estimate
See a complete breakdown of box costs, materials, labor, and potential carrier surcharges.
Built on Packaging Science, Not Guesswork.
Adding up volumes isn't enough. PackWiser uses real-world packaging logic to check that your items actually fit, with the protection their fragility calls for.
Surcharge-Aware
Automatically detects UPS and FedEx penalties for Large Packages, Oversize, and Additional Handling.
Smart Modifications
Considers box resizing (cutting down) and telescoping (combining two boxes) for awkward items.
Transparent Reasoning
Every recommendation includes a plain-English explanation of why that box was chosen.
Double-Box Guidance
Flags items that likely need a box inside a box, following FedEx and UPS guidance of about 2″ of cushioning inside and 3″ between boxes.
Example Output
Illustrative example. Your estimate depends on the item, materials and labor rate.
Ready to pack smarter?
Free, no account required. Get a box, materials and cost in under a minute.
Start Your Estimate