Tennessee Income Tax Calculator

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Affiliate Marketing Commission Calculator

Calculate your gross earnings, net profit, and ROI for your affiliate campaigns.

Commission Per Sale: $0.00
Total Sales Value: $0.00
Gross Commission: $0.00
Net Profit: $0.00
Return on Investment (ROI): 0%

How to Calculate Your Affiliate Earnings

Successful affiliate marketing requires more than just driving traffic; it requires a deep understanding of your margins. Whether you are running paid ads or focusing on organic SEO, knowing your net profit is essential for scaling.

The Formula for Affiliate Profit

To find your true earnings, use the following logic:

  • Gross Commission: (Product Price × Commission %) × Number of Sales
  • Net Profit: Gross Commission – Marketing Expenses
  • ROI: (Net Profit / Marketing Expenses) × 100

Factors That Impact Your Commission

Not all affiliate programs are created equal. When using this calculator, consider these variables:

  • Cookie Duration: Does the sale count if the user buys 30 days later?
  • Refund Rates: Most programs deduct commissions if a customer returns the item. Subtract 5-10% from your totals for a realistic estimate.
  • Tiered Structures: Some programs increase your rate as you sell more units.

Example Scenario

If you promote a software tool priced at $100 with a 30% commission, you earn $30 per sale. If you generate 20 sales through a PPC campaign that cost you $200:

  • Gross Commission: $600
  • Net Profit: $400
  • ROI: 200%
function calculateAffiliateProfit() { var price = parseFloat(document.getElementById('prodPrice').value); var rate = parseFloat(document.getElementById('commPercentage').value); var sales = parseFloat(document.getElementById('salesCount').value); var spend = parseFloat(document.getElementById('mktSpend').value) || 0; if (isNaN(price) || isNaN(rate) || isNaN(sales) || price <= 0 || rate < 0 || sales 0) { roiValue = (netProfit / spend) * 100; } document.getElementById('resPerSale').innerText = "$" + commissionPerSale.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resTotalSales').innerText = "$" + totalSalesVolume.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resGross').innerText = "$" + grossCommission.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById('resNet').innerText = "$" + netProfit.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); if (spend > 0) { document.getElementById('resROI').innerText = roiValue.toFixed(2) + "%"; document.getElementById('resROI').style.color = netProfit >= 0 ? "#27ae60" : "#e74c3c"; } else { document.getElementById('resROI').innerText = "N/A (No Spend)"; document.getElementById('resROI').style.color = "#0073aa"; } document.getElementById('resultsArea').style.display = "block"; }

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