Know your real profit before you ship to FBA.
Calculate Amazon referral fees, FBA fulfillment fees, and your net profit per unit — so you price for profit, not for loss.
Amazon FBA fee & profit calculator
Enter your product details and costs. Results update as you type.
FBA fee structure
- Referral fee: typically 8–20% depending on category
- FBA fulfillment: starts ~$3.22 for small standard items
- Inbound shipping: your cost to prep and ship to Amazon
- Storage fees: monthly, increase in Q4
Size tier traps
A product that barely exceeds a size or weight threshold can see FBA fees jump by $2–$5 per unit. Before finalizing packaging, check whether trimming dimensions could drop you into a lower tier — it often doubles your margin.
Seller tips
Target a net margin of at least 25–30% to absorb returns, storage fees, and sponsored ads. If your margin is below 20% at current pricing, it's usually faster to find a cheaper supplier than to raise the price competitively.
Selling digital downloads?
CareerKit Digital offers ready-to-sell templates and guides for creators who want to add digital products to their revenue mix.