Optimize Your Amazon Shipping Boxes
Calculate the perfect box configuration for your products. Save space, reduce costs, ship smarter.
- No credit card
- FBA presets included
- 3D layout preview
Everything you need to pack tighter
3D packing visualization
See exactly how every unit is arranged inside the box. Rotate and zoom a real 3D layout, color-coded by product.
Amazon FBA presets
Standard and Oversize FBA boxes built in, with weight limits enforced. Add your own courier boxes in seconds.
Cost per unit, instantly
Total weight, free space, shipping cost and cost per unit — calculated the moment you hit Optimize.
How it works
Add your products
Enter dimensions, weight and packing thickness once. Box Optimizer remembers them.
Run the optimizer
Fill a box you have, or let the algorithm find the smallest box that fits everything.
Ship smarter
Read the 3D layout, free space and cost per unit — then pack with confidence.
Frequently asked questions
How many units fit in a standard Amazon FBA box?
It depends on product dimensions. Box Optimizer tests all 6 rotations and computes the exact number for your products inside a 63.5×38.1×38.1 cm FBA Standard box (max 22.7 kg).
Is Box Optimizer free?
Yes. Box Optimizer is free to use, with no credit card required.
Which Amazon box presets are supported?
Amazon FBA Standard and Oversize presets are built in, and you can add custom courier boxes.