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Amazon FBA Profit Calculator

FBA Profit Breakdown

Total Amazon Fees: $0.00
Net Profit: $0.00
Profit Margin: 0%
Return on Investment (ROI): 0%
function calculateFBAProfit() { var salePrice = parseFloat(document.getElementById('salePrice').value) || 0; var itemCost = parseFloat(document.getElementById('itemCost').value) || 0; var shipping = parseFloat(document.getElementById('shippingToAmazon').value) || 0; var referralPercent = parseFloat(document.getElementById('referralFeePercent').value) || 0; var fbaFee = parseFloat(document.getElementById('fbaFee').value) || 0; var otherCosts = parseFloat(document.getElementById('otherCosts').value) || 0; var referralFeeAmount = salePrice * (referralPercent / 100); var totalAmazonFees = referralFeeAmount + fbaFee; var totalExpenses = itemCost + shipping + totalAmazonFees + otherCosts; var netProfit = salePrice – totalExpenses; var profitMargin = (salePrice > 0) ? (netProfit / salePrice) * 100 : 0; var roi = (itemCost > 0) ? (netProfit / (itemCost + shipping)) * 100 : 0; document.getElementById('resTotalFees').innerText = '$' + totalAmazonFees.toFixed(2); document.getElementById('resNetProfit').innerText = '$' + netProfit.toFixed(2); document.getElementById('resMargin').innerText = profitMargin.toFixed(2) + '%'; document.getElementById('resROI').innerText = roi.toFixed(2) + '%'; document.getElementById('fba-results').style.display = 'block'; if (netProfit < 0) { document.getElementById('resNetProfit').style.color = '#d32f2f'; } else { document.getElementById('resNetProfit').style.color = '#2e7d32'; } }

How to Use the Amazon FBA Profit Calculator

Understanding your margins is critical for success in the Amazon Marketplace. This calculator helps Amazon sellers determine the real profitability of their products after accounting for the various fees associated with Fulfillment by Amazon (FBA).

Key Components of FBA Profitability

  • Amazon Referral Fee: This is the commission Amazon takes for every item sold on the platform. It usually ranges from 8% to 15% depending on the category.
  • FBA Fulfillment Fee: This covers the cost of picking, packing, and shipping your products to customers. This fee depends on the size and weight of your item.
  • Product Cost (COGS): The total cost to manufacture or purchase the item from your supplier.
  • PPC and Storage: Monthly storage fees vary by season, and advertising costs (Pay-Per-Click) are essential to maintain sales velocity.

What is a Good Profit Margin for FBA?

While every category is different, many successful Amazon sellers aim for the 3-to-1 Rule: if an item sells for $30, $10 goes to product costs, $10 goes to Amazon fees, and $10 is kept as profit. Generally, a net profit margin above 20% is considered healthy in the e-commerce space.

Real-World Example Calculation

Imagine you are selling a kitchen gadget for $25.00:

  • Product Cost: $5.00
  • Shipping to Amazon: $0.50
  • Referral Fee (15%): $3.75
  • FBA Fee: $5.50
  • Net Profit: $10.25
  • Profit Margin: 41%

By using this calculator before you source a product, you can avoid "low margin traps" and ensure your Amazon business remains scalable and sustainable.

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