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EPC is the metric that makes affiliate offers comparable. Commission rates, product prices, and conversion rates all differ; earnings per click is what a visit to your link is actually worth. Calculate yours, compare two offers on the same traffic, and see what your clicks would earn at scale.
Your EPC
Over any period: a campaign, a month, a single link.
EPC (per click)
$0.25
what each click is worth to you
At this EPC
EPC = earnings ÷ clicks = $250 ÷ 1,000
Compare two offers
Offer A
EPC $0.15
Offer B
EPC $0.23
Offer B wins: $0.23 vs $0.15 per click, 50% more from the same traffic.
EPC = commission earned ÷ clicks sent
Earn $250 from 1,000 clicks and your EPC is $0.25: every click on that link is worth twenty-five cents to you on average. That single number quietly contains your conversion rate and your payout, which is exactly why it is the right yardstick. One wrinkle to know: some networks, CJ most famously, report EPC per 100 clicks, so their "$23 EPC" is $0.23 a click. The calculator's toggle keeps the two conventions straight.
The comparison block answers the question that actually matters: given the same readers, which offer pays more? A modest commission that converts well often beats a headline payout that does not, and you cannot see that from the program listing, only from EPC on your own traffic. Two cautions for a fair test: compare like periods and like placements, since a link in a tutorial will always outrun the same link in a sidebar, and give each offer enough clicks that one lucky sale does not decide the contest. And remember EPC is also shaped by the program's attribution window; a short cookie quietly zeroes out your slower buyers.
EPC stands for earnings per click: the commission you earned divided by the clicks that earned it. It collapses price, commission rate, and conversion rate into a single number, which makes offers that look nothing alike directly comparable. A $200 CPA that rarely converts and a $12 commission that converts constantly can have identical EPCs.
There is no universal benchmark worth trusting, because EPC depends on niche, traffic warmth, and price point. The two comparisons that matter are internal: your EPC on one offer versus another, which tells you where to point your traffic, and your EPC versus your cost per click if you pay for traffic, because paid campaigns only work while EPC stays above CPC.
Convention. CJ Affiliate and some other networks quote EPC as earnings per hundred clicks, so a listed EPC of $23 means $0.23 per actual click. It is the same metric multiplied by 100; the toggle on the calculator switches between the two so network numbers and your own stay comparable.
Three ways, in rough order of power: promote offers that pay more per action, including negotiating direct or recurring deals rather than taking the listed public rate; match offers to intent, since a tutorial reader about to set up a tool converts many times better than a casual scroller; and cut leaky placements, because links that attract curiosity clicks without buying intent dilute the average.
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