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Amazon FBA Profit Calculator

Calculate your net profit, margins, and ROI for FBA listings

Product Revenue & Costs

Amazon Fees

Financial Summary

Net Profit Per Unit $9.30
Net Margin 37.20%
ROI 138.81%
Total Fees: $9.00
Cost of Goods (COGS): $6.70
Break-Even Price: $15.70
function calculateFBAProfit() { var price = parseFloat(document.getElementById('fba_price').value) || 0; var cost = parseFloat(document.getElementById('fba_cost').value) || 0; var shipping = parseFloat(document.getElementById('fba_shipping').value) || 0; var referralPct = parseFloat(document.getElementById('fba_referral_pct').value) || 0; var fulfillment = parseFloat(document.getElementById('fba_fulfillment').value) || 0; var storage = parseFloat(document.getElementById('fba_storage').value) || 0; // Logic var referralFee = (price * (referralPct / 100)); var totalAmazonFees = referralFee + fulfillment + storage; var cogs = cost + shipping; var totalExpenses = totalAmazonFees + cogs; var netProfit = price – totalExpenses; var netMargin = (price > 0) ? (netProfit / price) * 100 : 0; var roi = (cogs > 0) ? (netProfit / cogs) * 100 : 0; // Break-even (approximate because referral fee scales) // Formula: Price = Cost + Shipping + Fulfillment + Storage + (Price * Referral%) // Price * (1 – Referral%) = Cost + Shipping + Fulfillment + Storage var breakEven = (cost + shipping + fulfillment + storage) / (1 – (referralPct / 100)); // Display document.getElementById('res_profit').innerText = '$' + netProfit.toFixed(2); document.getElementById('res_margin').innerText = netMargin.toFixed(2) + '%'; document.getElementById('res_roi').innerText = roi.toFixed(2) + '%'; document.getElementById('res_total_fees').innerText = '$' + totalAmazonFees.toFixed(2); document.getElementById('res_cogs').innerText = '$' + cogs.toFixed(2); document.getElementById('res_breakeven').innerText = '$' + breakEven.toFixed(2); // Style toggle for loss if (netProfit < 0) { document.getElementById('res_profit').style.color = '#c62828'; document.getElementById('res_margin').style.color = '#c62828'; } else { document.getElementById('res_profit').style.color = '#2e7d32'; document.getElementById('res_margin').style.color = '#2e7d32'; } }

How to Use the Amazon FBA Profit Calculator

Understanding your numbers is the difference between a thriving e-commerce business and a failing one. This Amazon FBA Profit Calculator helps you peel back the layers of Amazon's complex fee structure to find your true bottom line.

Key FBA Fee Components Explained

  • Selling Price: The list price your customer sees on Amazon.com.
  • Product Cost (COGS): What you pay your manufacturer per unit.
  • Referral Fee: Amazon's "commission" for selling on their platform. This is usually 15% for most categories like Home, Kitchen, and Electronics, but can vary from 8% to 45%.
  • Fulfillment Fee: The cost Amazon charges to pick, pack, and ship your product. This depends heavily on the weight and dimensions of your item.
  • Shipping to Amazon: Your inbound freight costs from your warehouse or manufacturer to the Amazon Fulfillment Center.

Example Calculation: The Silicone Spatula

Let's look at a realistic scenario for a private label seller:

Input Metric Value
Sale Price $19.99
Manufacturing Cost $4.00
Amazon Referral (15%) $3.00
FBA Fulfillment Fee $5.40
Net Profit $7.59

Why Margin and ROI Matter

While Net Profit tells you how much money goes into your pocket, Net Margin and ROI tell you how healthy your business is. A healthy FBA business typically aims for a 25-30% margin and a 100%+ ROI. High ROI is critical because it allows you to reinvest in more inventory and scale your brand faster.

Frequently Asked Questions

1. Does this include PPC costs?

No. Pay-Per-Click advertising costs vary by keyword and campaign. You should subtract your average ACOS (Advertising Cost of Sales) from your net profit to get your "True Profit."

2. What is a "Good" FBA Margin?

Most successful sellers look for a "Rule of Thirds": 1/3 for product costs, 1/3 for Amazon fees, and 1/3 for profit.

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