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Amazon FBA Profit Calculator

Accurately calculate net profit, margins, and ROI for your FBA business.

Net Profit
$0.00
Profit Margin
0.00%
ROI (Return on Investment)
0.00%
Total Amazon Fees
$0.00

How to Use the Amazon FBA Profit Calculator

Success on Amazon hinges on understanding your "true" margins. Many sellers fail to account for the hidden costs associated with Fulfillment by Amazon (FBA). This calculator helps you breakdown every penny before you source a product.

Understanding the Inputs

  • Cost of Goods (COGS): The total cost to manufacture or purchase one unit.
  • Referral Fee: Usually 15% for most categories, this is Amazon's commission for the sale.
  • FBA Fee: The cost for Amazon to pick, pack, and ship your item. This depends on weight and dimensions.
  • Shipping to Amazon: The cost to send your product from your warehouse or supplier to an Amazon Fulfillment Center.

The Profit Formula

The math behind our calculator is rigorous. We use the following logic:

Net Profit = Sale Price – COGS – Amazon Referral Fee – FBA Fee – Shipping – Misc Costs

Example Calculation

Imagine you are selling a yoga mat for $35.00. Your COGS is $10.00. Shipping to Amazon is $1.50 per unit. The referral fee is 15% ($5.25) and the FBA fulfillment fee is $6.00. Your miscellaneous PPC costs are $3.00 per unit.

Total Profit: $9.25 | Margin: 26.4% | ROI: 92.5%

function calculateFBAProfit() { var salePrice = parseFloat(document.getElementById('salePrice').value) || 0; var costGoods = parseFloat(document.getElementById('costGoods').value) || 0; var shippingToAmazon = parseFloat(document.getElementById('shippingToAmazon').value) || 0; var referralFeePercent = parseFloat(document.getElementById('referralFeePercent').value) || 0; var fbaFee = parseFloat(document.getElementById('fbaFee').value) || 0; var miscCosts = parseFloat(document.getElementById('miscCosts').value) || 0; if (salePrice 0) ? (profit / costGoods) * 100 : 0; document.getElementById('netProfit').innerText = "$" + profit.toFixed(2); document.getElementById('profitMargin').innerText = margin.toFixed(2) + "%"; document.getElementById('roi').innerText = roi.toFixed(2) + "%"; document.getElementById('totalFees').innerText = "$" + totalFees.toFixed(2); document.getElementById('fbaResultArea').style.display = 'block'; }

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