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Amazon FBA Profit Calculator

Accurately estimate your net margins and ROI for Amazon FBA products.

Product Financials

Amazon Fees

Profit Summary

Total Revenue: $0.00
Total Expenses: $0.00
Net Profit: $0.00
Profit Margin
0.00%
ROI (Return on Investment)
0.00%

Understanding Your Amazon FBA Profitability

Selling on Amazon FBA (Fulfillment by Amazon) is a powerful way to scale an e-commerce business, but success depends entirely on your unit economics. Without a precise Amazon FBA Profit Calculator, hidden costs like storage fees and referral percentages can quickly erode your margins.

Key Components of the FBA Calculation

  • Referral Fee: Amazon's "commission" for selling on their platform. Most categories charge 15%, though some range from 8% to 45%.
  • Fulfillment Fee: This covers the picking, packing, and shipping of your orders. It is based on the weight and dimensions of your product.
  • COGS (Cost of Goods Sold): The total cost to manufacture or purchase one unit of your product.
  • Landed Cost: This includes COGS plus the shipping costs to get your inventory into Amazon's fulfillment centers.

FBA Profit Calculation Example

Let's say you are selling a kitchen gadget for $25.00:

Item Cost
Product COGS $5.00
Shipping to Amazon $1.00
Amazon Referral Fee (15%) $3.75
FBA Fulfillment Fee $4.50
Net Profit $10.75

Why Profit Margin and ROI Matter

Profit Margin tells you how much of every dollar of sales you keep. A healthy margin for FBA is typically between 20% and 30%. ROI (Return on Investment), however, measures the efficiency of your capital. If you spend $6.00 to make $10.75 in profit, your ROI is 179%, which is excellent for reinvesting in more inventory.

function calculateFBAProfit() { // Get input values var salePrice = parseFloat(document.getElementById('salePrice').value); var cogs = parseFloat(document.getElementById('cogs').value); var shipToAmazon = parseFloat(document.getElementById('shipToAmazon').value); var referralPerc = parseFloat(document.getElementById('referralFeePerc').value); var fulfillmentFee = parseFloat(document.getElementById('fulfillmentFee').value); var miscFees = parseFloat(document.getElementById('miscFees').value); // Validation if (isNaN(salePrice) || salePrice 0) ? (netProfit / totalInvestment) * 100 : 0; // Display Results document.getElementById('revOut').innerHTML = '$' + salePrice.toFixed(2); document.getElementById('expOut').innerHTML = '$' + totalExpenses.toFixed(2); document.getElementById('profitOut').innerHTML = '$' + netProfit.toFixed(2); document.getElementById('marginOut').innerHTML = profitMargin.toFixed(2) + '%'; document.getElementById('roiOut').innerHTML = roi.toFixed(2) + '%'; // Visual feedback for negative profit if (netProfit < 0) { document.getElementById('profitOut').style.color = '#c00'; } else { document.getElementById('profitOut').style.color = '#008000'; } }

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