Calculate your net profit, margins, and ROI for Amazon FBA products.
Net Profit (Per Unit)
$0.00
Profit Margin
0%
Return on Investment
0%
Total Amazon Fees: $0.00 | Total Cost per Unit: $0.00
How the Amazon FBA Profit Calculator Works
Selling on Amazon using the Fulfillment by Amazon (FBA) program involves various complex fees. To truly understand if a product is viable, you must account for more than just the cost of the item. This calculator uses real-world Amazon fee structures to give you a clear picture of your take-home pay.
Key Metrics Explained
Referral Fee: This is Amazon's "commission" for selling on their platform. For most categories, this is 15% of the total sale price.
FBA 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): The total cost to manufacture or purchase one unit of your product.
ROI (Return on Investment): This shows how much profit you make relative to your product cost. An ROI of 100% means you doubled your money.
Example Calculation
If you sell a yoga mat for $40.00:
Cost of Mat: $10.00
Shipping to Amazon: $1.00
Referral Fee (15%): $6.00
FBA Fee: $7.50
Storage: $0.20
Net Profit: $15.30
Profit Margin: 38.25%
Tips for Maximizing FBA Margins
To increase your Amazon FBA profit, focus on reducing your "inbound" shipping costs by negotiating with freight forwarders. Additionally, ensure your product packaging is as small as possible; even a fraction of an inch can drop your product into a lower FBA fee tier, saving you dollars per unit.
function calculateFBA() {
// Get Input Values
var salePrice = parseFloat(document.getElementById('salePrice').value) || 0;
var costProduct = parseFloat(document.getElementById('costProduct').value) || 0;
var shippingToAmazon = parseFloat(document.getElementById('shippingToAmazon').value) || 0;
var referralFeePercent = parseFloat(document.getElementById('referralFee').value) || 0;
var fbaFulfillment = parseFloat(document.getElementById('fbaFulfillment').value) || 0;
var monthlyStorage = parseFloat(document.getElementById('monthlyStorage').value) || 0;
// Calculation Logic
var referralFeeAmount = salePrice * (referralFeePercent / 100);
var totalAmazonFees = referralFeeAmount + fbaFulfillment + monthlyStorage;
var totalProductCosts = costProduct + shippingToAmazon;
var totalOverallCosts = totalAmazonFees + totalProductCosts;
var netProfit = salePrice – totalOverallCosts;
var margin = 0;
if (salePrice > 0) {
margin = (netProfit / salePrice) * 100;
}
var roi = 0;
if (totalProductCosts > 0) {
roi = (netProfit / totalProductCosts) * 100;
}
// Display Results
document.getElementById('resultsArea').style.display = 'block';
document.getElementById('resNetProfit').innerText = '$' + netProfit.toFixed(2);
document.getElementById('resMargin').innerText = margin.toFixed(2) + '%';
document.getElementById('resROI').innerText = roi.toFixed(2) + '%';
document.getElementById('resTotalFees').innerText = '$' + totalAmazonFees.toFixed(2);
document.getElementById('resTotalCost').innerText = '$' + totalOverallCosts.toFixed(2);
// Color coding for profit/loss
if (netProfit < 0) {
document.getElementById('resNetProfit').style.color = '#d9534f';
} else {
document.getElementById('resNetProfit').style.color = '#232f3e';
}
}