Free Amazon Seller Tools.
Focused calculators for Amazon US FBA profitability, inbound placement and inventory-related fees.
Available Amazon seller tools
Amazon FBA Calculator
Estimate Amazon US FBA fees, profit, margin, ROI and break-even price.
Amazon Inbound Placement Fee Calculator
Estimate current minimal-split placement fee ranges or total an exact Seller Central quote.
Amazon Low Inventory Level Fee Calculator
Estimate current low-inventory-level fees from your historical days-of-supply metrics.
Choose the right Amazon seller calculator
Use the Amazon FBA Calculator for the full per-unit selling decision: referral fee, fulfillment fee, product cost, profit, margin, ROI and break-even price. Use Inbound Placement when the question is specifically the fee created by the shipment placement option.
Use Low Inventory Level Fee when Seller Central shows the 30-day and 90-day historical days-of-supply metrics and you want to estimate that separate per-unit inventory fee. The three tools intentionally solve different parts of Amazon economics rather than repeating one fee calculator under different names.