FBA Profit Calculator

Calculate real Amazon FBA profit margins accurately

Stop guessing. Factor in every Amazon fee, storage cost, ad spend, and return rate to see your true margin before you source a single unit.

Start Calculating — $15/mo

Cancel anytime. No contracts.

Referral feesFBA fulfillment feesStorage costsAd spendReturn ratesNet margin

Pro Plan

$15/mo

Everything you need to source profitably

  • ✓Unlimited product calculations
  • ✓Real-time Amazon fee lookup
  • ✓FBA storage cost estimator
  • ✓Ad spend & ACoS breakeven
  • ✓Return rate impact modeling
  • ✓CSV export for sourcing sheets
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Frequently Asked Questions

What fees does the calculator include?

It covers Amazon referral fees, FBA fulfillment fees, monthly storage fees, long-term storage fees, advertising spend (ACoS), and estimated return costs — giving you a complete picture of your true net margin.

Do I need an Amazon seller account to use it?

No. You can manually enter product dimensions, weight, category, and cost to get accurate estimates. Optionally connect via SP-API to pull live ASIN data automatically.

Can I export my calculations?

Yes. Every calculation can be exported as a CSV file, perfect for building sourcing sheets or sharing with your team.