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Amazon FBA Profit Calculator

Net Profit Per Unit: $0.00
Profit Margin: 0.00%
ROI (Return on Investment): 0.00%
Total Amazon Fees: $0.00

Understanding Amazon FBA Profit Margins

Selling on Amazon using Fulfillment by Amazon (FBA) is a powerful way to scale an e-commerce business, but calculating your actual take-home pay requires a deep dive into various fees. This Amazon FBA Profit Calculator helps you determine if a product is viable before you source it.

Key Metrics Explained

  • Referral Fee: This is Amazon's "commission" for selling on their platform. For most categories, this is 15% of the total sales price.
  • Fulfillment Fee: This covers the picking, packing, and shipping of your orders to the customer. It varies based on the size and weight of the product.
  • COGS (Cost of Goods Sold): The manufacturing or wholesale cost of the product, including packaging.
  • ROI: Return on Investment tells you how much money you make back for every dollar spent on inventory. An ROI of 100% means you doubled your money.

Example Calculation

If you sell a yoga mat for $40.00:

  • Cost of Goods: $10.00
  • Shipping to Amazon: $2.00
  • Referral Fee (15%): $6.00
  • Fulfillment Fee: $7.50
  • Storage: $0.50

Your Net Profit would be: $40.00 – ($10 + $2 + $6 + $7.50 + $0.50) = $14.00 per unit. This represents a 35% margin and a 140% ROI.

function calculateFBAProfit() { var price = parseFloat(document.getElementById('fba_price').value) || 0; var cogs = parseFloat(document.getElementById('fba_cogs').value) || 0; var shipping = parseFloat(document.getElementById('fba_shipping').value) || 0; var referralRate = parseFloat(document.getElementById('fba_referral_pct').value) || 0; var fulfillment = parseFloat(document.getElementById('fba_fulfillment').value) || 0; var storage = parseFloat(document.getElementById('fba_storage').value) || 0; if (price 0 ? (netProfit / (cogs + shipping)) * 100 : 0; // Display Results document.getElementById('fba_results').style.display = 'block'; document.getElementById('res_net_profit').innerText = '$' + netProfit.toFixed(2); document.getElementById('res_margin').innerText = profitMargin.toFixed(2) + '%'; document.getElementById('res_roi').innerText = roi.toFixed(2) + '%'; document.getElementById('res_fees').innerText = '$' + totalAmazonFees.toFixed(2); // Color coding for profit if (netProfit > 0) { document.getElementById('res_net_profit').style.color = '#2e7d32'; } else { document.getElementById('res_net_profit').style.color = '#c62828'; } }

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