EPC is total earnings divided by total clicks.
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An EPC calculator divides your total earnings by your total clicks, giving affiliates and publishers a single number to compare how well different offers, links or traffic sources actually pay.
Earnings per click, or EPC, divides the total commission or ad revenue you earned by the total number of clicks that produced it. If an offer paid you 500 dollars from 1,000 clicks, the EPC is 500 divided by 1,000, which is 0.50 dollars per click. Multiply that by 100 and you get 50 dollars per 100 clicks, the format most affiliate dashboards default to.
A single click rarely earns more than a few cents or dollars, so showing EPC per click alone makes small differences hard to read at a glance. Reporting it per 100 clicks turns those fractions into whole dollar figures that are easier to scan and compare across offers, which is why most affiliate networks default to that format even though the underlying math is identical.
EPC is most useful when you are choosing between two offers or two traffic sources sending similar volume. An offer with a lower commission rate can still out-earn a higher-paying one if it converts more often, and EPC captures that in a single number. It says nothing about your cost to generate those clicks, so weigh it against your cost per click before deciding where to put your budget. If organic traffic is doing the heavy lifting, pairing a strong EPC with a lower acquisition cost compounds the return.
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