CTR calculator

1. Pick what to work out. CTR takes clicks and impressions. Expected clicks tells you how many clicks a number of impressions should bring at a given CTR. Impressions needed tells you how many impressions it takes to reach a click goal.
2. Use the same kind of click on both sides. On Meta, link click-through rate counts clicks to your website. CTR (all) also counts reactions, comments, shares, profile clicks and clicks to expand media, so it is always higher.
3. Add ad spend (optional) to see cost per click and CPM from the same numbers.

CTR = clicks ÷ impressions × 100

Example. An ad for a new jacket is shown 12,000 times and gets 180 link clicks. CTR = 180 ÷ 12,000 × 100 = 1.5%. That is 15 clicks for every 1,000 impressions.

Rearranged, the formula answers planning questions:

Clicks = impressions × CTR
Impressions = clicks ÷ CTR

• How many clicks will 40,000 impressions bring at a 1.2% CTR? 40,000 × 0.012 = 480 clicks.
• How many impressions do I need for 500 clicks at a 2% CTR? 500 ÷ 0.02 = 25,000 impressions.

Why CTR changes what you pay

When you pay per impression, CTR decides your cost per click: CPC = CPM ÷ (1,000 × CTR). At a $12 CPM, a 1% CTR means $1.20 per click and a 2% CTR means $0.60. Doubling CTR halves the cost of every visit.

It depends most on where the ad runs. Search ads reach people who are already looking, so they get far higher CTRs than feed ads that interrupt scrolling. These are median CTRs for US campaigns:

Other things that move CTR:

• Audience temperature. People who already know your brand, or visited your site, click more than people seeing you for the first time.
• Brand or non-brand search. Searches for your own brand name get much higher CTRs than generic product searches.
• Placement and format. Feeds, stories, short video and display ads each have their own normal range.
• Which click is counted. CTR (all) is always higher than link CTR.

The best comparison is your own ads: the same audience and placement, last month against this month.

• Win the first second. In feeds and short video, the opening frame decides whether anyone stops. Show the product and the reason to care straight away.
• Make the product easy to see. Clear product images and video, on a model or in use, help people decide whether it is for them before they click.
• Give a reason to click now. A new collection, a limited-time sale or free shipping over a threshold.
• Fit each placement. Use vertical video for stories and reels, and keep key text away from the edges the app covers. See Meta ad specs.
• Refresh before fatigue. CTR falls as the same people see an ad again and again. Launch the next version while the current one still performs.
• On search, repeat the searcher's words in the headline and use closely grouped keywords.

A higher CTR only helps if the people clicking also buy. If CTR goes up and sales do not, look at the landing page next with the conversion rate calculator.

• Spotting creative fatigue. On Meta, Ad Autopilot's creative review looks at ads with at least 2,000 impressions and a frequency above 2.5. If such an ad's CTR has dropped 10% or more over 7 days, or it has the weakest CTR in its group while a clearly better ad exists, the agent proposes launching a fresh variant alongside it, rather than pausing an ad that still sells.
• No verdicts on thin data. An ad with fewer than 2,000 impressions is only monitored: no pause, refresh or scaling on a CTR that has not had time to settle.
• Saturation. Once a campaign has 5,000 impressions over at least 3 settled days, a frequency of 2.5 or more with CPM rising and CTR falling is flagged in code as an exhausted audience, and the agent proposes fresh creative or a wider audience.
• Good CTR, poor sales. When a campaign's CTR is 1% or more but its CPA is above 1.5 times your maximum, the agent audits the landing page instead of blaming the ads.