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Amazon FBA Profit Calculator

Calculation Results

Total Fees & Expenses: $0.00
Net Profit (per unit): $0.00
Profit Margin: 0%
ROI (Return on Investment): 0%
function calculateFBAProfit() { var price = parseFloat(document.getElementById('sellingPrice').value) || 0; var cost = parseFloat(document.getElementById('productCost').value) || 0; var shipping = parseFloat(document.getElementById('shippingToAmazon').value) || 0; var refPct = parseFloat(document.getElementById('referralFeePct').value) || 0; var fbaFee = parseFloat(document.getElementById('fbaFee').value) || 0; var other = parseFloat(document.getElementById('otherFees').value) || 0; var referralAmount = price * (refPct / 100); var totalExpenses = cost + shipping + referralAmount + fbaFee + other; var totalFeesOnly = referralAmount + fbaFee + other + shipping; var netProfit = price – totalExpenses; var margin = (netProfit / price) * 100; var roi = (netProfit / (cost + shipping)) * 100; document.getElementById('resTotalFees').innerText = '$' + totalFeesOnly.toFixed(2); document.getElementById('resNetProfit').innerText = '$' + netProfit.toFixed(2); document.getElementById('resMargin').innerText = margin.toFixed(2) + '%'; document.getElementById('resROI').innerText = roi.toFixed(2) + '%'; document.getElementById('fba-results').style.display = 'block'; }

Understanding Amazon FBA Fees and Profitability

Selling on Amazon via Fulfillment by Amazon (FBA) is a powerful way to scale an e-commerce business, but the fee structure can be complex. To ensure your business remains sustainable, you must understand the "unit economics" of every product you launch.

Key Components of FBA Profitability

  • Selling Price: The final price the customer pays on Amazon.
  • Cost of Goods Sold (COGS): The manufacturing cost or purchase price of your inventory.
  • Referral Fee: Amazon's "commission" for finding the customer. For most categories, this is 15% of the selling price.
  • Fulfillment Fee: A per-unit fee charged by Amazon to pick, pack, and ship your product. This depends heavily on the size and weight of the packaging.
  • Inbound Shipping: The cost to send your products from your warehouse or supplier to Amazon's fulfillment centers.

How to Use This Calculator

To get an accurate result, follow these steps:

  1. Enter your target Selling Price. Look at competitors in your niche to find a realistic price point.
  2. Input your Product Cost. This should include the manufacturing cost and any packaging materials.
  3. Estimate your Shipping to Amazon. If you are shipping a container, divide the total shipping cost by the number of units.
  4. Check the Fulfillment Fee. You can find this in your Amazon Seller Central account or by using Amazon's fee schedule for standard vs. oversized items.

Profit Margin vs. ROI

Profit Margin tells you how much of every dollar in sales you keep as profit. A healthy FBA margin is typically between 20% and 30%. ROI (Return on Investment) tells you how hard your money is working. If you spend $10 to make $10 profit, your ROI is 100%. Many successful sellers aim for an ROI of 100% or higher to account for advertising costs (PPC) and business overhead.

Realistic Example

Imagine you are selling a yoga mat for $35.00. Your cost to buy it from the factory is $10.00. Shipping it to Amazon costs $2.00 per unit. Amazon takes a 15% referral fee ($5.25) and charges a $7.00 fulfillment fee. After accounting for $1.00 in monthly storage fees, your total expenses are $25.25. Your net profit is $9.75 per unit, representing a 27.8% margin and an 81% ROI.

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