Amazon FBA · Free tool

FBA fee estimator

Check whether packaging pushes you into a higher size tier. Measure carton and product carefully - CloudSpects FBA pre-shipment inspections can verify dimensions and weight on-site.

Product package

Paste Seller Central fee here when you have the official number

Estimate (US-oriented)

Size tier—
Billable weight—
Dim weight—
Cubic feet—
Fulfillment fee—
Storage hint—

Billable weight = max(unit weight, dim weight). Storage uses a rough non-peak $/ft³ average - peak season is higher.

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Simplified US FBA fee model for planning (updated periodically). Not an official Amazon calculator. Confirm size tier and fees in Seller Central before buying inventory.