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Amazon FBA Profit Calculator

Calculate net profit, margins, and ROI for your FBA products.

Net Profit $0.00
Profit Margin 0%
ROI 0%

Total Fees: $0.00

Break-even Price: $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 the fees can be complex. To succeed, you must understand your numbers beyond just the selling price.

Key Metrics Explained:

  • Referral Fee: This is Amazon's "commission" for selling on their platform. For most categories, this is 15% of the total selling price.
  • Fulfillment Fee: This covers the cost of picking, packing, and shipping your product to the customer. It varies based on product size and weight.
  • Net Profit: What stays in your pocket after paying for the product, shipping, and all Amazon fees.
  • ROI (Return on Investment): Calculated as (Net Profit / Total Investment). This shows how efficiently your capital is working.

Amazon FBA Calculation Example:

If you sell a yoga mat for $40.00:

  • – Cost to manufacture: $10.00
  • – Ship to Amazon: $1.50
  • – Amazon Referral Fee (15%): $6.00
  • – FBA Fulfillment Fee: $7.50
  • – Monthly Storage: $0.40
  • = Net Profit: $14.60
  • = Profit Margin: 36.5%
function calculateFbaProfit() { var salePrice = parseFloat(document.getElementById('salePrice').value) || 0; var cogs = parseFloat(document.getElementById('cogs').value) || 0; var shipToFba = parseFloat(document.getElementById('shippingToFba').value) || 0; var fbaFee = parseFloat(document.getElementById('fbaFee').value) || 0; var referralRate = parseFloat(document.getElementById('referralRate').value) || 0; var storageFee = parseFloat(document.getElementById('storageFee').value) || 0; // Calculations var referralFeeAmount = salePrice * (referralRate / 100); var totalFees = fbaFee + referralFeeAmount + storageFee; var totalExpenses = cogs + shipToFba + totalFees; var netProfit = salePrice – totalExpenses; var margin = (salePrice > 0) ? (netProfit / salePrice) * 100 : 0; var roi = (totalExpenses > 0) ? (netProfit / (cogs + shipToFba)) * 100 : 0; // Break-even (approximate) // Formula: X = COGS + Ship + FBA + Storage + (X * referralRate) // X – (X * referralRate) = COGS + Ship + FBA + Storage // X(1 – referralRate) = COGS + Ship + FBA + Storage var breakEven = (cogs + shipToFba + fbaFee + storageFee) / (1 – (referralRate / 100)); // Display Results document.getElementById('resultsArea').style.display = 'block'; document.getElementById('netProfitDisplay').innerText = '$' + netProfit.toFixed(2); document.getElementById('marginDisplay').innerText = margin.toFixed(2) + '%'; document.getElementById('roiDisplay').innerText = roi.toFixed(2) + '%'; document.getElementById('totalFeesDisplay').innerText = '$' + totalFees.toFixed(2); document.getElementById('breakEvenDisplay').innerText = '$' + breakEven.toFixed(2); // Color coding profit/loss if (netProfit < 0) { document.getElementById('netProfitDisplay').style.color = '#d9534f'; } else { document.getElementById('netProfitDisplay').style.color = '#2ecc71'; } }

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