.fba-calc-container {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
max-width: 900px;
margin: 20px auto;
padding: 30px;
background-color: #ffffff;
border: 1px solid #e1e4e8;
border-radius: 12px;
color: #333;
box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}
.fba-calc-header {
text-align: center;
margin-bottom: 30px;
}
.fba-calc-grid {
display: grid;
grid-template-columns: 1fr 1fr;
gap: 25px;
}
@media (max-width: 768px) {
.fba-calc-grid { grid-template-columns: 1fr; }
}
.fba-input-group {
margin-bottom: 15px;
}
.fba-input-group label {
display: block;
font-weight: 600;
margin-bottom: 8px;
font-size: 14px;
color: #232f3e;
}
.fba-input-group input {
width: 100%;
padding: 12px;
border: 1px solid #a6afb9;
border-radius: 6px;
font-size: 16px;
box-sizing: border-box;
}
.fba-btn {
background-color: #ff9900;
color: #fff;
border: none;
padding: 15px 30px;
font-size: 18px;
font-weight: bold;
border-radius: 6px;
cursor: pointer;
width: 100%;
margin-top: 10px;
transition: background-color 0.2s;
}
.fba-btn:hover {
background-color: #e68a00;
}
.fba-results {
background-color: #f3f3f3;
padding: 25px;
border-radius: 8px;
margin-top: 25px;
}
.fba-result-item {
display: flex;
justify-content: space-between;
padding: 10px 0;
border-bottom: 1px solid #ddd;
}
.fba-result-item:last-child {
border-bottom: none;
}
.fba-result-label {
font-weight: 500;
}
.fba-result-value {
font-weight: 700;
color: #111;
}
.fba-profit-positive { color: #2e7d32; }
.fba-profit-negative { color: #d32f2f; }
/* SEO Content Styles */
.fba-article {
margin-top: 50px;
line-height: 1.6;
color: #444;
}
.fba-article h2 { color: #232f3e; margin-top: 30px; }
.fba-article h3 { color: #232f3e; margin-top: 20px; }
.fba-article p { margin-bottom: 15px; }
.fba-example-box {
background-color: #fffaf0;
border-left: 5px solid #ff9900;
padding: 20px;
margin: 20px 0;
}
Total Amazon Fees:
$0.00
Net Profit (Per Unit):
$0.00
Net Margin:
0%
ROI (Return on Investment):
0%
How to Use the Amazon FBA Profit Calculator
Running a successful Amazon FBA (Fulfillment by Amazon) business requires a deep understanding of your numbers. This calculator helps sellers determine their true take-home profit after accounting for Amazon's extensive fee structure and inventory costs.
Key Metrics Explained
- COGS (Cost of Goods Sold): The total cost to manufacture or purchase one unit of your product.
- Referral Fee: Amazon's "commission" for selling on their platform. For most categories, this is 15% of the total sale price.
- FBA Fulfillment Fee: The cost for Amazon to pick, pack, and ship your product to the customer. This is determined by the size and weight of your item.
- Net Margin: The percentage of the sale price that is actual profit. A healthy FBA margin is typically between 20% and 30%.
- ROI: How much profit you make relative to the cost of your inventory. If you spend $10 to make $10 profit, your ROI is 100%.
Realistic Example Calculation
Imagine you are selling a "Silicone Spatula" for $19.99.
- Product Cost: $4.00
- Shipping to Warehouse: $0.50
- Referral Fee (15%): $3.00
- FBA Fee: $5.20
- Storage & PPC: $1.50
Total Costs: $14.20 | Net Profit: $5.79 | Net Margin: 29%
Strategies to Improve Your FBA Margins
If your margins are looking slim (below 15%), consider the following optimizations:
- Optimize Packaging: Reducing the size or weight of your product packaging can drop you into a lower FBA Fee tier, saving dollars per unit.
- Bulk Shipping: Use sea freight instead of air freight to lower your "Shipping to Amazon" costs.
- Increase Price: Sometimes a $1.00 increase in price has a negligible impact on conversion but a massive impact on your bottom line.
- PPC Efficiency: Monitor your ACOS (Advertising Cost of Sales) to ensure you aren't spending all your profit on ads.
function calculateFBA() {
// Get Input Values
var price = parseFloat(document.getElementById('fba_price').value);
var cost = parseFloat(document.getElementById('fba_cost').value);
var shipping = parseFloat(document.getElementById('fba_shipping').value) || 0;
var referralPercent = parseFloat(document.getElementById('fba_referral').value) || 0;
var fbaFee = parseFloat(document.getElementById('fba_fee').value) || 0;
var storage = parseFloat(document.getElementById('fba_storage').value) || 0;
var ppc = parseFloat(document.getElementById('fba_ppc').value) || 0;
// Validation
if (isNaN(price) || isNaN(cost) || price <= 0) {
alert("Please enter a valid Sale Price and Product Cost.");
return;
}
// Calculations
var referralFeeAmount = price * (referralPercent / 100);
var totalAmazonFees = referralFeeAmount + fbaFee + storage;
var totalAllCosts = cost + shipping + totalAmazonFees + ppc;
var netProfit = price – totalAllCosts;
var margin = (netProfit / price) * 100;
var roi = (netProfit / (cost + shipping)) * 100;
// Display Results
document.getElementById('fba_results_area').style.display = 'block';
document.getElementById('res_total_fees').innerHTML = '$' + totalAmazonFees.toFixed(2);
var profitEl = document.getElementById('res_profit');
profitEl.innerHTML = '$' + netProfit.toFixed(2);
if (netProfit < 0) {
profitEl.className = 'fba-result-value fba-profit-negative';
} else {
profitEl.className = 'fba-result-value fba-profit-positive';
}
document.getElementById('res_margin').innerHTML = margin.toFixed(2) + '%';
document.getElementById('res_roi').innerHTML = roi.toFixed(2) + '%';
// Smooth scroll to results
document.getElementById('fba_results_area').scrollIntoView({ behavior: 'smooth', block: 'nearest' });
}