Amazon FBM FBA Calculator 2026 – FBA & FBM Profit Calculator
Our Amazon FBM FBA calculator helps Amazon sellers estimate product profit, Amazon fees, fulfillment costs, profit margin, ROI, advertising costs, and potential monthly earnings.
Amazon FBM FBA Calculator
Amazon FBM FBA calculator is designed for sellers who want a simple way to estimate the economics of an Amazon product before launching, repricing, or scaling it. Enter your selling price, product purchase cost, preparation expenses, Amazon referral fee, fulfillment expenses, advertising cost, and other per-unit costs.
The calculator estimates profit per unit, profit margin, ROI, and projected monthly profit based on your expected sales volume. You can switch between FBA and FBM to compare fulfillment costs.
Amazon Seller Profit Calculator Overview
Use the calculator below to estimate your Amazon product economics using the costs that apply to your business.
Calculate Amazon FBA and FBM Profit
Amazon FBA Costs
Amazon FBM Costs
Amazon Profit Results — FBA
How the Amazon FBM FBA Calculator Works
The Amazon FBM FBA calculator estimates your product economics by adding revenue and subtracting the variable costs entered into the calculator. This lets sellers see how product cost, Amazon fees, fulfillment, advertising, and other expenses affect profitability.
Amazon Profit Formula
Total variable costs include the Amazon referral fee, product purchase cost, preparation and packing, inbound shipping, fulfillment or FBM shipping, storage, advertising, and other costs entered above.
Profit Margin Formula
ROI Formula
The ROI shown by this calculator uses the costs included in the calculation. It is intended as a simple product-level profitability measure rather than a complete accounting measure of business return.
FBA vs FBM: What Is the Difference?
Amazon sellers generally need to decide how orders will be fulfilled. Fulfillment by Amazon (FBA) uses Amazon’s fulfillment network, while Fulfillment by Merchant (FBM) means the seller manages fulfillment and shipping.
| Factor | FBA | FBM |
|---|---|---|
| Fulfillment | Amazon handles fulfillment for eligible orders. | Seller manages order fulfillment. |
| Shipping Cost | Enter the applicable FBA fulfillment cost. | Enter your own carrier/postage cost. |
| Storage | Enter your allocated FBA storage cost. | Enter warehouse or storage cost. |
| Handling | Included in the fulfillment model entered. | Seller enters handling and packaging costs. |
| Control | More fulfillment is handled through Amazon. | Seller controls the fulfillment process. |
Use the calculator’s FBA and FBM modes with the same product economics to compare the costs relevant to each fulfillment approach.
Amazon Fees and Selling Costs
Amazon product profitability depends on more than the product purchase price. Sellers should consider the fees and variable expenses that apply to their products and fulfillment method.
Amazon Referral Fee
The referral fee is entered as a percentage in this calculator. The applicable rate can vary by product category, so sellers should use the rate that applies to the product being evaluated.
FBA Fulfillment Cost
FBA sellers can enter their estimated fulfillment cost per unit. Use the cost applicable to the product rather than relying on the default value.
FBA Storage
Inventory stored through FBA can create storage expenses. Enter an estimated per-unit allocation so the calculator can include storage in product profitability.
FBM Shipping and Handling
FBM sellers should include carrier postage, packaging, labor, handling, warehouse expenses, and other merchant-fulfilled costs that apply to each order.
Advertising Cost
Advertising can significantly affect product-level profit. Enter your estimated advertising expense per unit so the result reflects your expected acquisition cost.
Amazon Profit Margin and ROI
Profit margin and ROI answer different questions. Profit margin shows how much profit remains relative to the product’s sale price, while ROI in this calculator compares estimated profit with the costs included in the calculation.
Why Profit Margin Matters
A product can generate positive dollars of profit while still having a relatively small margin. Monitoring margin can help sellers understand how much room exists for changes in advertising, product costs, discounts, or fulfillment expenses.
Why ROI Matters
ROI provides another way to view product economics by comparing profit with the costs invested in generating the sale. Use the calculator to test different product prices and cost assumptions.
Amazon Break-Even Analysis
A product reaches break-even when its revenue covers the costs included in the calculation. If the calculator shows negative profit per unit, review the sale price, product cost, fulfillment expenses, referral fee, advertising cost, and other variable costs.
A practical way to analyze break-even is to test different sale prices and advertising costs. You can also compare FBA and FBM assumptions to see which cost structure better fits your product and operation.
Amazon Profit Calculator Example
Suppose a product sells for $29.99 and the seller enters a product purchase cost of $8.00, prep and packing of $0.75, inbound shipping of $0.50, advertising of $2.00, and a 15% referral fee.
Sale price = $29.99
Product cost = $8.00
Prep/packing = $0.75
Inbound shipping = $0.50
Advertising = $2.00
Referral fee = based on the entered percentage
Fulfillment = based on the selected FBA or FBM method
Because fulfillment and other Amazon-related expenses can differ by product, the calculator lets you enter your own assumptions rather than relying on one universal fee estimate.
How to Improve Amazon Product Profit
If your estimated profit is lower than expected, test the variables that have the largest effect on your product economics.
- Review your supplier or product purchase cost.
- Compare different selling prices.
- Monitor Amazon referral and fulfillment costs.
- Reduce unnecessary packaging and preparation expenses.
- Track advertising cost per unit.
- Review storage and inventory expenses.
- Compare FBA and FBM fulfillment economics.
- Use realistic monthly unit-sales assumptions.
Who Should Use an Amazon Seller Profit Calculator?
This calculator can be useful for Amazon sellers, private-label businesses, wholesalers, resellers, product researchers, and ecommerce entrepreneurs who want to estimate the economics of a product.
It can also be used before launching a product to test whether changes in product cost, price, advertising, fulfillment, or shipping materially change the estimated profit.
Related DollarSenseUSA Calculators
Amazon Seller Resources
Amazon sellers should verify applicable fees, selling requirements, and fulfillment costs using Amazon’s current seller resources before making business decisions.
Frequently Asked Questions About the Amazon FBM FBA Calculator
What is an Amazon FBM FBA calculator?
An Amazon FBM FBA calculator estimates product revenue, variable costs, profit, profit margin, ROI, and monthly earnings using the inputs you provide for FBA or FBM fulfillment.
What is an Amazon FBA calculator used for?
An Amazon FBA calculator can help sellers estimate the profitability of a product after entering product cost, referral fees, fulfillment, storage, advertising, and other expenses.
What is an Amazon FBM calculator?
An Amazon FBM calculator estimates product economics when the seller fulfills orders rather than using Amazon’s FBA fulfillment model. It allows you to enter shipping, handling, packaging, and storage costs.
Does this calculator include Amazon referral fees?
Yes. Enter the referral fee percentage that applies to your product. The calculator uses that percentage to estimate the referral fee.
Does the calculator include Amazon advertising costs?
Yes. Enter your estimated advertising cost per unit in the Ads / Unit field. This cost is included in the estimated product profit.
Does this calculator include FBA storage costs?
Yes. The FBA mode includes a field for estimated FBA storage cost per unit.
Does the calculator work for FBM sellers?
Yes. Select FBM and enter your customer shipping, handling, packaging, and warehouse or storage costs.
How is Amazon profit per unit calculated?
Profit per unit is calculated by adding the sale price and customer shipping collected, then subtracting the referral fee and the other costs entered into the calculator.
How is Amazon profit margin calculated?
Profit margin is calculated as estimated profit per unit divided by the product sale price, multiplied by 100.
How is monthly Amazon profit estimated?
Monthly profit is estimated by multiplying the calculated profit per unit by the number of units entered in the Units Sold / Month field.
Are Amazon fees the same for every product?
No. Amazon fees and applicable costs can vary depending on product category, fulfillment method, product characteristics, and other factors. Use the applicable costs for your specific product.
Is this Amazon profit calculator a replacement for Amazon’s official fee information?
No. This is an estimation tool. Always verify current applicable fees, policies, and seller requirements using official Amazon resources before making financial or inventory decisions.
Calculate Your Amazon Product Profit
Enter your product price, costs, fulfillment expenses, advertising budget, and monthly sales estimate to calculate your Amazon FBA or FBM profitability.
Calculate Amazon ProfitAmazon Calculator Disclaimer
This calculator provides estimates based on the information entered by the user. Actual Amazon fees, fulfillment expenses, advertising costs, taxes, refunds, returns, selling-plan fees, and other business expenses may differ. DollarSenseUSA does not guarantee actual profit or business results. Verify applicable Amazon fees and your own business costs before making financial decisions.