Selling on Amazon through the Fulfillment by Amazon (FBA) program offers convenience but involves various fees. This calculator helps you estimate your gross revenue and understand the impact of key Amazon fees on your profitability. By inputting your product's selling price, the number of units sold, and the applicable FBA fees, you can get a clearer picture of your potential earnings.
How the Calculation Works:
Gross Sales: This is the total revenue generated from selling your product before any deductions. It's calculated as: Average Selling Price per Unit * Total Units Sold.
Total FBA Fulfillment Fees: This is the cost Amazon charges for picking, packing, and shipping each unit. Calculated as: FBA Fulfillment Fee per Unit * Total Units Sold.
Total Referral Fees: Amazon charges a percentage of the total sales price as a referral fee for each item sold. Calculated as: (Average Selling Price per Unit * Total Units Sold) * (Referral Fee Percentage / 100).
Total Storage Fees: Amazon charges a monthly fee for storing your inventory in their fulfillment centers. For simplicity in this calculator, we use an average or estimated monthly storage fee per unit. Total storage fees would be: Monthly Storage Fee per Unit * Total Units Sold. Note: Actual storage fees can vary based on size, weight, and time of year.
Estimated Net Revenue: This represents your revenue after deducting the direct FBA fees. It's calculated as: Gross Sales - Total FBA Fulfillment Fees - Total Referral Fees - Total Storage Fees.
Key Considerations for FBA Sellers:
Product Cost: This calculator does not include your Cost of Goods Sold (COGS). To determine true profit, you must subtract your product's manufacturing or sourcing cost from the Net Revenue.
Other Fees: Amazon may charge additional fees, such as long-term storage fees, removal order fees, or returns processing fees.
Shipping Costs to Amazon: The cost of shipping your inventory from your supplier to Amazon's fulfillment centers is also not included here.
Marketing & Advertising: Expenses for Amazon PPC (Pay-Per-Click) ads are not factored into this calculation.
Use this tool as a starting point to understand your potential revenue streams and the essential costs associated with selling on Amazon FBA.
function calculateRevenue() {
var productPrice = parseFloat(document.getElementById("productPrice").value);
var unitsSold = parseFloat(document.getElementById("unitsSold").value);
var fbaFeePerUnit = parseFloat(document.getElementById("fbaFeePerUnit").value);
var referralFeePercentage = parseFloat(document.getElementById("referralFeePercentage").value);
var storageFeePerUnitMonth = parseFloat(document.getElementById("storageFeePerUnitMonth").value);
var resultDiv = document.getElementById("result");
resultDiv.innerHTML = ""; // Clear previous results
// Input validation
if (isNaN(productPrice) || productPrice <= 0) {
resultDiv.innerHTML = "Please enter a valid Average Selling Price.";
return;
}
if (isNaN(unitsSold) || unitsSold <= 0) {
resultDiv.innerHTML = "Please enter a valid number of Units Sold.";
return;
}
if (isNaN(fbaFeePerUnit) || fbaFeePerUnit < 0) {
resultDiv.innerHTML = "Please enter a valid FBA Fulfillment Fee (can be zero).";
return;
}
if (isNaN(referralFeePercentage) || referralFeePercentage 100) {
resultDiv.innerHTML = "Please enter a valid Referral Fee Percentage between 0 and 100.";
return;
}
if (isNaN(storageFeePerUnitMonth) || storageFeePerUnitMonth < 0) {
resultDiv.innerHTML = "Please enter a valid Monthly Storage Fee (can be zero).";
return;
}
// Calculations
var grossSales = productPrice * unitsSold;
var totalFbaFees = fbaFeePerUnit * unitsSold;
var totalReferralFees = grossSales * (referralFeePercentage / 100);
var totalStorageFees = storageFeePerUnitMonth * unitsSold; // Simplified for monthly estimate
var estimatedNetRevenue = grossSales – totalFbaFees – totalReferralFees – totalStorageFees;
// Display results
resultDiv.innerHTML = "Estimated Net Revenue: $" + estimatedNetRevenue.toFixed(2) + "";
resultDiv.innerHTML += "Gross Sales: $" + grossSales.toFixed(2) + " | FBA Fees: $" + totalFbaFees.toFixed(2) + " | Referral Fees: $" + totalReferralFees.toFixed(2) + " | Storage Fees: $" + totalStorageFees.toFixed(2) + "";
}