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Smart Web Apps Amazon FBA Calculator

Amazon FBA Calculator

Estimate per-unit profit, margin, and break-even price with a transparent fee breakdown.

Enter your price and costs, then click Calculate.
Referral fee = salePrice × (referralPct ÷ 100)

Results (per unit)
Net profit
Profit margin
Breakdown
Formulas

Tool description

This calculator estimates per-unit profitability for Amazon FBA based on the inputs you provide. Amazon fees vary by category, size tier, and policy updates—always verify with Amazon’s official fee tables for final pricing.

How to use

  1. Enter your sale price and COGS.
  2. Enter referral %, fulfillment fee, and other costs.
  3. Calculate to see profit, margin, and a fee breakdown.

Why it’s useful

  • Quickly test price points and fee assumptions.
  • Identify which cost component drives margin.
  • Estimate break-even price for a target profit.

Use cases & interpretation

  • Listing optimization: model how small price changes affect margin.
  • Sourcing: compare suppliers by landed cost and resulting profit.
  • Budgeting: forecast profit for bulk orders using per-unit profit × units.

FAQs

No. This tool uses your inputs. Amazon fees change and depend on product details. Use it for planning and verify using Amazon’s fee schedule.

If you want net profit, include average ad spend per unit in “other fees” or add another field in a future iteration.