Interest Rate Penalty Calculator

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Amazon FBA Profit Calculator

Calculate your net margins, ROI, and Amazon fees instantly.

Profitability Analysis

Net Profit

$0.00

Profit Margin

0%

ROI

0%

Amazon Referral Fee: $0.00

Total Amazon Fees: $0.00

Total Expenses: $0.00

function calculateFBAProfit() { var sellingPrice = parseFloat(document.getElementById('sellingPrice').value) || 0; var productCost = parseFloat(document.getElementById('productCost').value) || 0; var shippingToAmazon = parseFloat(document.getElementById('shippingToAmazon').value) || 0; var fbaFee = parseFloat(document.getElementById('fbaFee').value) || 0; var referralFeeRate = parseFloat(document.getElementById('referralFeeRate').value) || 0; var otherCosts = parseFloat(document.getElementById('otherCosts').value) || 0; if (sellingPrice 0 ? (netProfit / productCost) * 100 : 0; document.getElementById('resNetProfit').innerText = "$" + netProfit.toFixed(2); document.getElementById('resMargin').innerText = margin.toFixed(2) + "%"; document.getElementById('resROI').innerText = roi.toFixed(2) + "%"; document.getElementById('resRefFee').innerText = "$" + calculatedReferralFee.toFixed(2); document.getElementById('resTotalFees').innerText = "$" + totalAmazonFees.toFixed(2); document.getElementById('resTotalExpenses').innerText = "$" + totalExpenses.toFixed(2); var resultColor = netProfit > 0 ? "#2e7d32" : "#d32f2f"; document.getElementById('resNetProfit').style.color = resultColor; document.getElementById('resMargin').style.color = resultColor; document.getElementById('resROI').style.color = resultColor; document.getElementById('resultsArea').style.display = 'block'; }

Understanding Amazon FBA Fees and Profitability

Selling on Amazon via Fulfillment by Amazon (FBA) offers incredible reach, but the fee structure can be complex. To run a sustainable business, you must look beyond just the "Selling Price" and "Product Cost." This Amazon FBA Profit Calculator helps you break down every expense involved in a single sale.

Key Metrics Explained

  • Amazon Referral Fee: This is the commission Amazon takes for bringing you the customer. For most categories, this is 15%, though it can range from 8% to 45% depending on the niche.
  • Fulfillment Fee (FBA Fee): This flat fee covers the picking, packing, and shipping of your item to the customer, as well as customer service and returns. It is based on the weight and dimensions of your product.
  • COGS (Cost of Goods Sold): This includes the manufacturing cost of the item and the price of the packaging.
  • Net Profit Margin: The percentage of the selling price that you actually keep after all costs. A healthy FBA margin is typically between 15% and 25%.
  • ROI (Return on Investment): This measures how much profit you made relative to the money you spent buying the product. If you spend $10 to make $10 profit, your ROI is 100%.

Example Calculation

Suppose you are selling a yoga mat for $35.00:

Selling Price: $35.00

Product Cost: $8.00

Shipping to Amazon: $1.50

FBA Fee: $6.50

Referral Fee (15%): $5.25

Net Profit: $13.75

Profit Margin: 39.2%

ROI: 171.8%

Hidden Costs to Watch For

While this calculator covers the core expenses, remember that Amazon also charges Monthly Storage Fees (which increase during Q4) and Long-Term Storage Fees for inventory sitting for more than 365 days. Always leave a buffer in your margins for "Other Costs" like PPC advertising (Pay-Per-Click) and product returns.

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