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Amazon FBA Profit Calculator

Calculate your net margins, ROI, and Amazon fees accurately.

Product Details

Amazon Fees

Profit Summary

Total Revenue: $0.00
Amazon Referral Fee: -$0.00
Fulfillment & Storage: -$0.00
Total COGS & Shipping: -$0.00
Net Profit: $0.00
Profit Margin
0%
ROI
0%

How to Use the Amazon FBA Profit Calculator

Understanding your exact profit margins is the difference between a successful Amazon business and a failing one. This Amazon FBA calculator accounts for the various fees Amazon deducts from every sale, helping you determine if a product is worth sourcing.

Key Definitions for Sellers

  • Referral Fee: This is the commission Amazon takes for bringing you the customer. For most categories, this is 15% of the total sales price.
  • Fulfillment Fee: This covers the cost of picking, packing, and shipping your product from Amazon's warehouse to the customer. This varies by product size and weight.
  • Cost of Goods (COGS): The total price you paid the manufacturer for the product, including packaging.
  • ROI (Return on Investment): Calculated as (Net Profit / Total Investment). This shows you how much money you make back for every dollar spent on inventory and shipping.

Example Calculation

Let's say you find a product to sell for $30.00.

  1. Product Cost: $8.00
  2. Shipping to FBA: $1.00
  3. Amazon Referral Fee (15%): $4.50
  4. Fulfillment Fee: $5.50
  5. Monthly Storage: $0.20

Your Total Expenses would be $19.20. Your Net Profit would be $10.80. This results in a 36% Profit Margin and a 120% ROI.

Strategies to Increase FBA Profits

To maximize your margins, consider these three strategies:

  1. Optimize Packaging: Reducing the weight or dimensions of your product can drop you into a lower FBA fulfillment fee tier.
  2. Bulk Shipping: Ship larger quantities to Amazon via LTL (Less Than Truckload) to reduce the per-unit shipping cost.
  3. Improve Sourcing: Negotiate with manufacturers for volume discounts once you have consistent sales velocity.
function calculateFBAProfit() { // Get Input Values var salePrice = parseFloat(document.getElementById('salePrice').value) || 0; var itemCost = parseFloat(document.getElementById('itemCost').value) || 0; var shippingToFBA = parseFloat(document.getElementById('shippingToFBA').value) || 0; var referralPercent = parseFloat(document.getElementById('referralFeePercent').value) || 0; var fulfillmentFee = parseFloat(document.getElementById('fulfillmentFee').value) || 0; var storageFee = parseFloat(document.getElementById('storageFee').value) || 0; // Calculations var referralFeeAmount = salePrice * (referralPercent / 100); var totalAmazonFees = referralFeeAmount + fulfillmentFee + storageFee; var totalInvestment = itemCost + shippingToFBA; var totalExpenses = totalAmazonFees + totalInvestment; var netProfit = salePrice – totalExpenses; var profitMargin = (salePrice > 0) ? (netProfit / salePrice) * 100 : 0; var roi = (totalInvestment > 0) ? (netProfit / totalInvestment) * 100 : 0; // Display Results document.getElementById('resRevenue').innerHTML = "$" + salePrice.toFixed(2); document.getElementById('resReferral').innerHTML = "-$" + referralFeeAmount.toFixed(2); document.getElementById('resFulfillment').innerHTML = "-$" + (fulfillmentFee + storageFee).toFixed(2); document.getElementById('resCogs').innerHTML = "-$" + totalInvestment.toFixed(2); document.getElementById('resNetProfit').innerHTML = "$" + netProfit.toFixed(2); document.getElementById('resMargin').innerHTML = profitMargin.toFixed(1) + "%"; document.getElementById('resROI').innerHTML = roi.toFixed(1) + "%"; // Color code net profit if (netProfit < 0) { document.getElementById('resNetProfit').style.color = "#c40000"; document.getElementById('resMargin').style.color = "#c40000"; document.getElementById('resROI').style.color = "#c40000"; } else { document.getElementById('resNetProfit').style.color = "#008a00"; document.getElementById('resMargin').style.color = "#008a00"; document.getElementById('resROI').style.color = "#008a00"; } } // Run calculation on load window.onload = calculateFBAProfit;

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