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Amazon FBA Profit Calculator
Total Revenue:
Total Amazon Fees:
Total Unit Cost (COGS + Ship):
Net Profit per Unit:
Profit Margin
ROI
How to Use the Amazon FBA Profit Calculator
Calculating your potential margins before sourcing a product is the difference between a successful Amazon business and a costly mistake. Our Amazon FBA Profit Calculator helps you visualize the real numbers after all fees and expenses are accounted for.
Understanding the Core Components
Selling Price: This is the final price the customer sees on Amazon.com.
Cost of Goods (COGS): The manufacturing cost of your product per unit.
Amazon Referral Fee: The "commission" Amazon takes for every sale, typically ranging from 8% to 15% depending on the category.
FBA Fulfillment Fee: The cost for Amazon to pick, pack, and ship your item to the customer. This is based on weight and dimensions.
Storage Fees: Monthly costs for keeping your inventory in Amazon's fulfillment centers.
To improve your bottom line, focus on two main areas: reducing your COGS through bulk negotiations and optimizing your packaging dimensions. A small change in box size can often move a product into a lower FBA fee tier, saving you dollars on every single order.
function calculateFBAProfit() {
var price = parseFloat(document.getElementById("sellingPrice").value) || 0;
var cost = parseFloat(document.getElementById("productCost").value) || 0;
var shipping = parseFloat(document.getElementById("shippingToAmazon").value) || 0;
var refPct = parseFloat(document.getElementById("referralFeePct").value) || 0;
var fbaFee = parseFloat(document.getElementById("fbaFee").value) || 0;
var storage = parseFloat(document.getElementById("storageFee").value) || 0;
var ppc = parseFloat(document.getElementById("ppcCost").value) || 0;
var referralFeeAmount = price * (refPct / 100);
var totalFees = referralFeeAmount + fbaFee + storage;
var totalProductCosts = cost + shipping + ppc;
var netProfit = price – totalFees – totalProductCosts;
var margin = (netProfit / price) * 100;
var roi = (netProfit / (cost + shipping)) * 100;
document.getElementById("resRevenue").innerText = "$" + price.toFixed(2);
document.getElementById("resFees").innerText = "- $" + totalFees.toFixed(2);
document.getElementById("resUnitCost").innerText = "$" + (cost + shipping).toFixed(2);
document.getElementById("resNetProfit").innerText = "$" + netProfit.toFixed(2);
document.getElementById("resMargin").innerText = margin.toFixed(2) + "%";
document.getElementById("resROI").innerText = roi.toFixed(2) + "%";
document.getElementById("fba-results").style.display = "block";
if(netProfit < 0) {
document.getElementById("resNetProfit").style.color = "#d00";
} else {
document.getElementById("resNetProfit").style.color = "#007600";
}
}