.fba-calculator-container {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
max-width: 800px;
margin: 20px auto;
padding: 25px;
border: 1px solid #e1e4e8;
border-radius: 12px;
background-color: #ffffff;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.fba-calculator-container h2 {
color: #232f3e;
text-align: center;
margin-bottom: 25px;
font-size: 28px;
}
.fba-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 20px;
margin-bottom: 25px;
}
@media (max-width: 600px) {
.fba-grid { grid-template-columns: 1fr; }
}
.fba-input-group {
display: flex;
flex-direction: column;
}
.fba-input-group label {
font-weight: 600;
margin-bottom: 8px;
color: #444;
font-size: 14px;
}
.fba-input-group input {
padding: 12px;
border: 1px solid #ddd;
border-radius: 6px;
font-size: 16px;
transition: border-color 0.3s;
}
.fba-input-group input:focus {
border-color: #ff9900;
outline: none;
box-shadow: 0 0 0 2px rgba(255,153,0,0.2);
}
.fba-calc-btn {
grid-column: 1 / -1;
background-color: #ff9900;
color: #fff;
border: none;
padding: 15px;
border-radius: 6px;
font-size: 18px;
font-weight: bold;
cursor: pointer;
transition: background-color 0.3s;
}
.fba-calc-btn:hover {
background-color: #e68a00;
}
.fba-results {
margin-top: 30px;
padding: 20px;
background-color: #f8f9fa;
border-radius: 8px;
display: none;
}
.fba-results-grid {
display: grid;
grid-template-columns: repeat(2, 1fr);
gap: 15px;
}
.result-item {
padding: 15px;
background: #fff;
border-radius: 6px;
border-left: 4px solid #ff9900;
box-shadow: 0 2px 4px rgba(0,0,0,0.03);
}
.result-label {
font-size: 13px;
color: #666;
display: block;
margin-bottom: 5px;
}
.result-value {
font-size: 20px;
font-weight: bold;
color: #232f3e;
}
.profit-positive { color: #2e7d32; }
.profit-negative { color: #d32f2f; }
.fba-article {
margin-top: 40px;
line-height: 1.6;
color: #333;
}
.fba-article h3 { color: #232f3e; margin-top: 25px; }
Amazon FBA Profit Calculator
Selling Price ($)
Product Cost per Unit ($)
Shipping to Amazon ($/unit)
Amazon Referral Fee (%)
FBA Fulfillment Fee ($)
Monthly Storage Fee ($/unit)
Calculate Net Profit
Total Amazon Fees
$0.00
Net Profit
$0.00
Profit Margin
0%
ROI (Return on Investment)
0%
How to Calculate Your Amazon FBA Profits
Selling on Amazon using the Fulfillment by Amazon (FBA) program can be highly lucrative, but the fee structure is complex. To accurately determine your "take-home" pay, you must look beyond the selling price and account for every cost associated with the lifecycle of your product.
The Core Components of FBA Profitability
Selling Price: This is the final amount the customer pays for your item.Cost of Goods Sold (COGS): The manufacturing or wholesale cost of the product.Referral Fee: Amazon's "commission" for selling on their platform. This is usually 15% for most categories.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: The monthly cost of keeping your inventory in Amazon's fulfillment centers.
Example Calculation
Suppose you sell a Yoga Mat for $40.00 . Your costs are as follows:
Product Cost: $10.00
Shipping to Amazon: $2.00
Amazon Referral Fee (15%): $6.00
FBA Fulfillment Fee: $7.50
Storage Fee: $0.50
Total Expenses: $10 + $2 + $6 + $7.50 + $0.50 = $26.00
Net Profit: $40.00 – $26.00 = $14.00
Profit Margin: 35%
Tips for Improving FBA Margins
To increase your profitability, consider optimizing your packaging to move into a smaller size tier for fulfillment fees. Additionally, sourcing higher volumes can lower your per-unit cost, while maintaining a high "IPI" score helps avoid expensive long-term storage surcharges.
function calculateFBAProfit() {
var salePrice = parseFloat(document.getElementById("fba_salePrice").value) || 0;
var unitCost = parseFloat(document.getElementById("fba_unitCost").value) || 0;
var shippingToAmazon = parseFloat(document.getElementById("fba_shippingToAmazon").value) || 0;
var referralFeePerc = parseFloat(document.getElementById("fba_referralFee").value) || 0;
var fulfillmentFee = parseFloat(document.getElementById("fba_fulfillmentFee").value) || 0;
var storageFee = parseFloat(document.getElementById("fba_storageFee").value) || 0;
if (salePrice 0) ? (netProfit / totalProductCosts) * 100 : 0;
// Display Results
document.getElementById("fba_results_area").style.display = "block";
document.getElementById("res_totalFees").innerHTML = "$" + totalAmazonFees.toFixed(2);
var profitElement = document.getElementById("res_netProfit");
profitElement.innerHTML = "$" + netProfit.toFixed(2);
if(netProfit >= 0) {
profitElement.className = "result-value profit-positive";
} else {
profitElement.className = "result-value profit-negative";
}
document.getElementById("res_margin").innerHTML = profitMargin.toFixed(2) + "%";
document.getElementById("res_roi").innerHTML = roi.toFixed(2) + "%";
}