Advanced FBA and FBM Calculator
Seller Assistant App calculates ROI and Profit Margin, using Cost of Goods, Sales Taxes on Cost of Goods, Amazon Referral fee, FBA fee, VAT, Monthly Storage Cost, and 3d Party Logistics Cost.

Seller Assistant App calculates ROI and Profit Margin right on Amazon product page.
No credit card required.
After the trial period, you can choose a plan starting from $15/mo
Seller Assistant App calculates ROI and Profit Margin, using Cost of Goods, Sales Taxes on Cost of Goods, Amazon Referral fee, FBA fee, VAT, Monthly Storage Cost, and 3d Party Logistics Cost.
Seller Assistant App supports European VAT. Choose your VAT scheme: No VAT, Standard VAT rate, Reduced VAT rate, Non registered VAT for UK sellers, and VAT on fees for European sellers who sell on Amazon US or Canada. Incoming VAT for cost of goods is supported.
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See Amazon Referral fee, FBA fee, Variable closing fee, and Storage cost. Add product preparation and shipping costs to your calculation.
Logistic costs can be configured in the settings.
Save your Amazon product analysis result to the google sheet in one click.
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Seller Assistant App calculates ROI and Profit Margin right on Amazon product page.