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Amazon FBA Profit Calculator

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

Product Data

Amazon Fees

Results Summary

Total Revenue: $0.00
Total Amazon Fees: $0.00
Total Costs (COGS + Ship): $0.00
Net Profit: $0.00
Net Margin
0%
Return on Investment (ROI)
0%

How to Use the Amazon FBA Profit Calculator

Selling on Amazon FBA (Fulfillment by Amazon) is a powerful way to scale an e-commerce business, but the fees can be complex. Understanding your true net profit is the difference between a thriving business and a failing one. This calculator helps you break down every expense.

Key FBA 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 picking, packing, and shipping of your product to the customer. It is based on the weight and dimensions of your product.
  • COGS (Cost of Goods Sold): This is what you paid the manufacturer for the item.
  • PPC Costs: Pay-Per-Click advertising is often necessary to rank on Page 1. We recommend calculating this as a "per unit" cost based on your total ad spend divided by units sold.

Example Calculation

Imagine you are selling a yoga mat for $35.00.

  • Product Cost: $8.00
  • Shipping to FBA: $1.50
  • Referral Fee (15%): $5.25
  • FBA Pick & Pack: $6.50
  • Storage/PPC: $2.00
  • Total Expenses: $23.25
  • Net Profit: $11.75
  • Margin: 33.5%

Why Margin Matters More Than Revenue

Many sellers focus on "top-line revenue," but revenue is a vanity metric. If you sell $100,000 a month but have a 2% margin, you are only making $2,000 profit while taking on massive inventory risk. A healthy FBA business typically aims for a 25% to 40% profit margin and a 100%+ ROI.

function calculateFBAPal() { // Get Input Values 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 refPct = 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; var ppc = parseFloat(document.getElementById('fba_ppc').value) || 0; // Calculation Logic var referralFee = price * (refPct / 100); var totalFees = referralFee + fulfillment + storage + ppc; var totalCosts = cogs + shipping; var totalExpenses = totalFees + totalCosts; var netProfit = price – totalExpenses; var profitMargin = 0; if (price > 0) { profitMargin = (netProfit / price) * 100; } var roi = 0; if (totalCosts > 0) { roi = (netProfit / totalCosts) * 100; } // Display Results document.getElementById('res_revenue').innerText = '$' + price.toFixed(2); document.getElementById('res_fees').innerText = '$' + totalFees.toFixed(2); document.getElementById('res_costs').innerText = '$' + totalCosts.toFixed(2); document.getElementById('res_profit').innerText = '$' + netProfit.toFixed(2); document.getElementById('res_margin').innerText = profitMargin.toFixed(2) + '%'; document.getElementById('res_roi').innerText = roi.toFixed(2) + '%'; // Color code profit if (netProfit < 0) { document.getElementById('res_profit').style.color = '#c40000'; } else { document.getElementById('res_profit').style.color = '#008a00'; } }

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