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.fba-calc-container { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif; max-width: 800px; margin: 20px auto; padding: 25px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #f9f9f9; color: #333; } .fba-calc-container h2 { color: #232f3e; text-align: center; margin-bottom: 25px; } .fba-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; } @media (max-width: 600px) { .fba-grid { grid-template-columns: 1fr; } } .fba-input-group { margin-bottom: 15px; } .fba-input-group label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 14px; } .fba-input-group input { width: 100%; padding: 10px; border: 1px solid #ccc; border-radius: 4px; box-sizing: border-box; } .fba-button { background-color: #ff9900; color: #000; border: none; padding: 15px 30px; font-size: 16px; font-weight: bold; border-radius: 4px; cursor: pointer; width: 100%; margin-top: 10px; transition: background-color 0.2s; } .fba-button:hover { background-color: #e68a00; } .fba-results { margin-top: 25px; padding: 20px; background-color: #fff; border-radius: 4px; border-left: 5px solid #ff9900; display: none; } .fba-result-item { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid #eee; } .fba-result-item:last-child { border-bottom: none; } .fba-result-label { font-weight: bold; } .fba-result-value { color: #111; font-weight: bold; } .fba-profit-pos { color: #2e7d32; } .fba-profit-neg { color: #d32f2f; } .fba-article { margin-top: 40px; line-height: 1.6; } .fba-article h3 { color: #232f3e; margin-top: 25px; }

Amazon FBA Profit Calculator

Amazon Referral Fee: $0.00
Total Amazon Fees: $0.00
Net Profit per Unit: $0.00
Profit Margin: 0%
ROI (Return on Investment): 0%

Mastering Your Amazon FBA Margins: A Complete Guide

Selling on Amazon via Fulfillment by Amazon (FBA) is an excellent way to scale an e-commerce business, but the complexity of the fee structure often leaves sellers wondering about their actual take-home pay. Using an Amazon FBA Profit Calculator is essential for selecting winning products and ensuring your business remains sustainable.

How to Calculate Amazon FBA Profit

To find your true profit, you must subtract all operational and platform costs from your retail price. The formula is:

Net Profit = Selling Price – Product Cost – Amazon Referral Fee – FBA Fulfillment Fee – Shipping to Amazon – Storage Fees – PPC/Marketing

Key Metrics Explained

  • Referral Fee: Amazon charges a percentage of the total sales price. For most categories, this is 15%.
  • FBA Fulfillment Fee: This covers picking, packing, and shipping your product to the customer. It is based on the weight and dimensions of the item.
  • COGS (Cost of Goods Sold): The total cost to manufacture or purchase one unit of your product.
  • ROI (Return on Investment): Calculated as (Net Profit / Product Cost) * 100. This tells you how hard your capital is working for you.

Example Calculation

Imagine you sell a Yoga Mat for $35.00. Your manufacturing cost is $10.00, and it costs $1.00 to ship it to an Amazon warehouse. Amazon takes a 15% referral fee ($5.25) and charges $6.00 for fulfillment. After $2.00 in PPC advertising, your net profit is $10.75, resulting in a 30.7% margin and a 107.5% ROI.

Frequently Asked Questions

What is a good profit margin for FBA?

Most experienced sellers aim for a "Rule of Three": 1/3 for product costs, 1/3 for Amazon fees, and 1/3 for profit. A net margin of 20-30% is considered healthy.

Do storage fees change?

Yes, Amazon increases storage fees during the peak Q4 season (October to December). Be sure to adjust your calculations during these months.

function calculateFBAProfit() { var price = parseFloat(document.getElementById('fba_price').value) || 0; var cost = parseFloat(document.getElementById('fba_cost').value) || 0; var shipIn = parseFloat(document.getElementById('fba_shipping_in').value) || 0; var referralPct = parseFloat(document.getElementById('fba_referral').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; var returns = parseFloat(document.getElementById('fba_returns').value) || 0; // Logic var referralFee = price * (referralPct / 100); var totalAmazonFees = referralFee + fulfillment + storage; var totalCosts = cost + shipIn + totalAmazonFees + ppc + returns; var netProfit = price – totalCosts; var margin = 0; if (price > 0) { margin = (netProfit / price) * 100; } var roi = 0; if (cost > 0) { roi = (netProfit / cost) * 100; } // Display Results document.getElementById('res_ref_fee').innerText = '$' + referralFee.toFixed(2); document.getElementById('res_total_fees').innerText = '$' + totalAmazonFees.toFixed(2); document.getElementById('res_profit').innerText = '$' + netProfit.toFixed(2); document.getElementById('res_margin').innerText = margin.toFixed(2) + '%'; document.getElementById('res_roi').innerText = roi.toFixed(2) + '%'; // Styling logic var profitElement = document.getElementById('res_profit'); if (netProfit >= 0) { profitElement.className = 'fba-result-value fba-profit-pos'; } else { profitElement.className = 'fba-result-value fba-profit-neg'; } document.getElementById('fba_results_box').style.display = 'block'; }

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