Calculate Amazon FBA fees, including referral, fulfillment, storage, and total costs per unit. Understand true profit, margin, and ROI so you can price smarter, avoid hidden costs, and build a more profitable Amazon business.
Amazon FBA Fee Calculator
Currency
Selling Price per Unit
Your product's selling price on Amazon. Used to determine the price-based fee tier (under $10, $10–$50, over $50).
Product Cost per Unit
The cost to acquire or manufacture one unit of your product.
Shipping to Amazon per Unit
Cost to ship one unit from your supplier to Amazon's warehouse.
Product Category
Select your product category to determine the Amazon referral fee percentage (US marketplace).
Product Dimensions (inches) & Weight (lbs)
Enter the dimensions (Length x Width x Height) and weight of your *packaged* product. Used to determine FBA fulfillment fees and storage fees.
Monthly Storage Period
FBA monthly storage fees vary by season. Non-peak: Jan–Sep at $0.78/cu ft. Peak: Oct–Dec at $2.40/cu ft.
Sales Tax (%) (optional)
Enter sales tax percentage if applicable to your selling price. This is a deduction from revenue, not an FBA fee.
Prep Fee per Unit (optional)
Any additional cost for preparing the product for FBA (e.g., poly-bagging, labeling). Note: Amazon ended its own FBA prep service Jan 1, 2026.
Other Costs per Unit (optional)
Any other recurring costs per unit (e.g., advertising spend, bundled items).
Profitability Breakdown
Selling Price
$0.00
Product Cost
-$0.00
Shipping to Amazon
-$0.00
Referral Fee (0%)
-$0.00
FBA Fulfillment Fee (N/A)
-$0.00
Monthly Storage Fee
-$0.00
Prep Fee
-$0.00
Other Costs
-$0.00
Sales Tax
-$0.00
Net Profit per Unit
$0.00
Profit Margin
0.00%
Return on Investment (ROI)
0.00%
How the Amazon FBA Fee Calculator Works for Sellers
Step 1 - Enter product details: Add price, cost, and shipping to Amazon so the calculator can estimate your total revenue and base expenses.
Step 2 - Select category and specs: Choose product category and enter size, weight, and dimensions to calculate referral and fulfillment fees.
Step 3 - Add additional costs: Include storage period, prep fees, taxes, and other costs to reflect your full Amazon expense structure.
Step 4 - Review profitability: Instantly see total fees, net profit, margin, and ROI so you can validate or adjust your pricing strategy.
Smarter Tools for Growing Brands
Discover how Yotpo’s tools help eCommerce brands boost customer retention and drive more revenue.
Amazon FBA Fee Calculator FAQs
What does the Amazon FBA Fee Calculator measure?
The Amazon FBA Fee Calculator estimates your total costs and profit per unit sold on Amazon. It includes referral fees, fulfillment fees, storage costs, and additional expenses like prep and shipping. This gives you a realistic view of what you actually earn per sale.
What are Amazon referral fees and how are they calculated?
Referral fees are a percentage of your product’s selling price charged by Amazon. The percentage varies by category and sometimes by price thresholds. Assuming a flat fee across all categories is incorrect and will distort your profit calculations.
How does the calculator estimate FBA fulfillment fees?
Fulfillment fees are calculated based on your product’s size tier and weight. The tool uses your dimensions and weight inputs to estimate the correct fee bracket. This matters because even small changes in size or weight can significantly impact costs.
What is included in the monthly storage fee calculation?
Storage fees are based on your product’s volume and the time of year. Rates increase during peak months, typically October through December. Ignoring seasonal storage differences is a common mistake that leads to underestimating costs.
Can I include shipping and product costs in the calculation?
Yes, the calculator includes both product cost and shipping to Amazon per unit. These are foundational inputs that directly impact your net profit. Many sellers underestimate shipping costs, which leads to inflated margin assumptions.
What is ROI and why is it important for Amazon sellers?
ROI, or return on investment, measures how much profit you generate relative to your upfront costs. It helps you evaluate whether a product is worth selling beyond just margin percentage. A product can have a decent margin but still be a poor investment if ROI is low.
Does the calculator include Amazon advertising costs?
The calculator allows you to include additional costs per unit, which can represent advertising spend. However, it does not automatically model dynamic ad performance or ACOS. Treating ad costs as static is a simplification that you need to manage carefully.
How accurate is the Amazon FBA Fee Calculator?
The calculator provides a strong estimate based on standard FBA fee structures and your inputs. Actual fees may vary depending on Amazon updates, category nuances, or account-specific factors. It is a decision tool, not a replacement for Amazon’s exact billing.
Why is my profit lower than expected when using this tool?
A: Most sellers underestimate how many cost layers exist in FBA. Referral fees, fulfillment, storage, shipping, and prep all compound. The calculator exposes these layers, which often reveals that margins are thinner than assumed.
Can I use this calculator to decide which products to sell?
Yes, that is one of its primary uses. You can test different price points, costs, and product specs before committing inventory. This reduces risk and helps you avoid launching products that look profitable on the surface but fail after fees.
30 min demo
Don't postpone your growth
Fill out the form today and discover how Yotpo can elevate your retention game in a quick demo.
This will take just a moment…We're finding the right person on our team to help your brand!
“Yotpo is a fundamental part of our recommended tech stack.”
Laura Doonin, Commercial Director
YOTPO POWERS THE WORLD'S FASTEST-GROWING BRANDS
30 min demo
Don't postpone your growth
Join a free demo, personalized to fit your needs
Get the best pricing plan to maximize your growth
See how Yotpo's multi-solutions can boost sales
Watch our platform in action & the impact it makes
Laura Doonin, Commercial Director
Join a free demo, personalized to fit your needs