Affiliate Commission Calculator
Monthly affiliate earnings estimate.
Calculate affiliate commission earnings from clicks, conversion rate, order value, and commission percentage. Free educational tool.
What this tool does
This calculator models monthly and annual affiliate earnings by connecting audience traffic to actual commission payouts. It estimates how many clicks convert to sales, multiplies those sales by average order value, then applies your commission rate to show total earnings and earnings-per-click. The result depends most heavily on conversion rate and average order value—small changes in either significantly shift your income projection. A typical use case is testing how different promotion strategies or product partnerships might affect your monthly revenue. The calculator assumes all clicks occur within the cookie window and doesn't account for refunds, payment delays, or platform fees. Results are illustrative only and reflect the mathematical relationship between inputs; actual earnings will vary based on real-world performance.
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Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Affiliate commission estimates how much an affiliate can earn from a set of monthly clicks, a conversion rate, the average order value, and the merchant's commission percentage. The main metric is commission per month, with EPC (earnings per click) as a secondary check - EPC is what matters when comparing affiliate programmes because click volume varies wildly by traffic source.
20,000 monthly clicks at 2% conversion = 400 sales. At 80 average order and 10% commission, that's 3,200/month or 38,400/year. EPC works out to 0.16 per click, a healthy number for content affiliates. Below 0.05 EPC a programme rarely justifies the traffic cost; above 0.50 is excellent for high-intent traffic.
Cookie windows matter enormously. A 30-day cookie means if the user comes back and buys within 30 days, the affiliate still gets credit. Amazon's 24-hour cookie is one of the tightest in the industry; most niche merchants offer 30-60 days, some up to 365 days for high-ticket items. Longer cookie windows push actual earnings (commonly cited at 20-40%) higher than this calculator estimates.
Run it with sensible defaults
Using monthly clicks of 20,000, conversion rate of 2%, avg order value of 80, commission rate of 10%, the calculation works out to 3,200.00. The defaults are meant as a starting point, not a recommendation.
The levers in this calculation
The inputs — Monthly Clicks, Conversion Rate %, Avg Order Value, Commission Rate %, and Cookie Window (days) — do not pull with equal force. Not every input has equal weight. Adjusting one input at a time toward extreme values shows which ones move the result most.
How the math works
Conversions = clicks × conversion %. Revenue = conversions × AOV. Commission = revenue × commission %. EPC = commission ÷ clicks.
What the score tells you
Headline financial numbers — income, savings, debt — each tell part of the story. This calculation stitches several together into a single read you can track over time. The value is in the direction, not the absolute number.
What this doesn't capture
The score is a composite of the inputs you provide. Life context — job security, family obligations, health, housing — doesn't appear in the math but shapes the real picture. Use the number as a prompt, not a verdict.
20,000 clicks × 2% conv × ££80 AOV × 10% commission = 3,200.00.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
This calculator computes estimated monthly affiliate commission by multiplying monthly clicks by the conversion rate percentage to derive total conversions. Those conversions are then multiplied by average order value to calculate total revenue generated. Commission is derived by applying the commission rate percentage to that revenue figure. Earnings per click (EPC) is calculated by dividing total commission by monthly clicks, providing a per-click benchmark. The model assumes a constant conversion rate and commission rate throughout the period, treats all clicks as equally likely to convert, and applies the cookie window as a simple eligibility filter without modelling attribution decay or partial conversions. It does not account for platform fees, payment processing costs, seasonal variation, traffic quality differences, or the timing of cash payouts relative to transaction settlement.
References
Frequently Asked Questions
What is EPC and why does it matter?
How long are cookie windows?
Why does my actual commission differ?
Is SEO traffic better than paid?
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