Click-Through Rate Calculator
MarketingCalculate your click-through rate (CTR) for email, ads, or search results. Enter impressions and clicks to find CTR, clicks per thousand, and benchmark your results.
Click-Through Rate
Above average — strong creative and well-matched audience.
impressions
needed per click
How was this calculated?
What is a CTR?
A Click-Through Rate (CTR) Calculator measures what percentage of people who saw your ad, email, or search result clicked on it. CTR is the universal engagement metric that spans every digital marketing channel — paid ads, organic search, email campaigns, in-app banners, and social media posts all use the same formula to measure how effectively content converts attention into clicks.
Unlike open rate (which only measures whether an email was opened) or impressions (which measure reach), CTR measures intent. A user who clicks has expressed active interest — they have moved from passive awareness to active engagement. That transition is what every piece of marketing content is designed to trigger.
CTR works for both email marketing (clicks divided by delivered emails) and advertising (clicks divided by ad impressions). This calculator handles both use cases with the same formula, making it a versatile tool whether you are evaluating an email campaign's subject-line-to-click performance or benchmarking a Google Display campaign.
The benchmark ranges — Low (below 0.5%), Average (0.5–2%), Good (2–5%), Excellent (above 5%) — represent cross-channel generalised standards. Specific channels have different typical ranges, which the Insights section covers in detail.
For the full email performance picture, combine CTR with Email Open Rate to see the open-to-click ratio, and with Conversion Rate Calculator to understand how clicks translate into completed goals.
How to use this CTR calculator
Enter Impressions / Emails Delivered — for ads, this is total ad impressions; for email, use emails delivered (sent minus bounced). The slider covers common ranges; type directly for large numbers.
Enter Clicks — the total number of clicks on your ad, link, or CTA. Use unique clicks where possible to avoid counting the same user multiple times.
Read your CTR — the primary output shows your rate with the benchmark category and a description of what it typically means for your creative or copy strategy.
Use secondary outputs for planning — Clicks per 1,000 helps budget media buys; Impressions per Click helps size reach requirements for a clicks target.
Formula & Methodology
CTR (%) = (Clicks ÷ Impressions) × 100 Clicks per 1,000 Impressions = CTR × 10 Impressions per Click = Impressions ÷ Clicks Worked example using realistic values: A paid search campaign on Google Ads: - Ad Impressions: 20,000 - Clicks: 520 CTR = (520 ÷ 20,000) × 100 = 2.6% (Good) Clicks per 1,000 Impressions = 26 Impressions per Click = 20,000 ÷ 520 = 38.5 impressions per click If the campaign target is 2,000 clicks per month and CTR holds at 2.6%, impressions needed = 2,000 ÷ 0.026 = 76,923 impressions Assumptions: - This calculator uses the standard CTR formula without adjustments for invalid clicks (bot traffic, accidental clicks). Platforms like Google Ads automatically filter invalid clicks from billing; use platform-reported CTR for billing decisions. - Benchmark ranges are cross-channel generalised standards. Channel-specific benchmarks differ substantially: search ads typically see 3–10%, email 2–5%, display 0.1–0.5%. - For email campaigns, use delivered emails as the denominator rather than sent emails, to match the calculation used by all major ESPs.