What is CPC on Amazon ads?
CPC stands for cost per click. It is the actual amount Amazon charges you each time a shopper clicks your ad. CPC is not fixed; it varies keyword by keyword and auction by auction, depending on how many sellers are competing for that placement and what they are willing to pay. CPC (cost per click) is the amount Amazon charges you when a shopper clicks your Sponsored Products, Sponsored Brands or Sponsored Display ad. You set a maximum bid for each keyword, but the amount you actually pay is determined by the auction. Amazon typically charges the winning bidder just above what the second-highest bidder was willing to pay, so your actual CPC is often lower than your maximum bid. Average CPC is calculated as total ad spend divided by total clicks. If a campaign spent £150 and generated 300 clicks, the average CPC for that period was £0.50. Keyword competitiveness is the main driver. If many sellers are bidding aggressively for the same keyword, the auction price rises. Highly searched, commercially valuable keywords in competitive categories such as supplements, electronics or kitchen appliances typically carry higher CPCs than niche or long-tail terms. Seasonality affects CPC. During peak shopping periods such as Prime Day, Black Friday and the run-up to Christmas, more sellers increase their bids to capture higher traffic volumes, pushing CPC up across many categories. Ad placement affects the actual cost. Top of search placements often carry a higher CPC than product page placements because they attract more clicks and sellers bid more aggressively for them. Your ad relevance plays a role. Amazon rewards relevance: an ad with strong historical click and conversion performance may win placements at a lower CPC than a less relevant competing ad with a higher bid. Your maximum bid is the ceiling you set for a keyword: the most you are willing to pay for a single click. Your actual CPC is determined by the auction and is usually lower than your maximum bid. Amazon uses a generalised second-price auction model. The seller with the highest relevant bid wins the placement and pays just above the second-highest bid. If you bid £1.50 and the next highest bidder offers £0.90, you might pay around £0.91 rather than your full £1.50. This matters for bid strategy. Setting your maximum bid too low means you miss placements entirely. Setting it too high wastes budget when competitors are bidding much less. Monitoring actual CPC alongside your max bid helps you calibrate bids to the real competitive landscape. The key relationship to understand is: CPC × (1 ÷ Conversion Rate) = Cost Per Sale. If your CPC is £1.00 and 10% of clicks convert, your cost per sale is £10. If your CPC rises to £1.50 with the same conversion rate, your cost per sale becomes £15. Two levers control your cost per sale: reducing CPC and improving conversion rate. Many sellers focus only on bids, but improving your listing, making images stronger, bullets clearer and pricing more competitive, lowers your cost per sale without changing bids at all. Regularly reviewing your search term report identifies keywords that generate clicks at a high CPC without converting. Adding these as negative keywords prevents future spend on those terms and improves the overall efficiency of your campaigns.
Learn what CPC means in Amazon advertising, how cost per click is calculated, what drives CPC up or down and how to manage bids to keep campaigns profitable.