CTR Calculator (Click-Through Rate)
Calculate click-through rate across ads, email, and search, and see what CTR improvement would mean for traffic and conversions at constant spend.
📊 Marketing📐 CTR = (clicks / impressions) × 100💼 Business
Impressions or emails delivered
Clicks or opens-to-click
Conversion rate from clicks (%)
Value per conversion
Target CTR improvement (%)
Please enter valid values.
Formula & Reference
| Variable | Symbol | Formula | Units |
|---|---|---|---|
| CTR Calculator (Click-Through Rate) | — | CTR = (clicks / impressions) × 100 | percent |
Step-by-Step Examples
Example 1
Display Campaign
240,000 impressions, 3,120 clicks, 3.2% conversion, 120 value, target 25% CTR lift.
- CTR = (3,120 / 240,000) × 100 = 1.300%
- Conversions = 3,120 × 3.2% = 99.8
- Revenue = 11,981
- 25% lift to 1.625% would give 3,900 clicks
- Additional revenue = 780 × 0.032 × 120 = 2,995
✓ 1.300% CTR, 2,995 upside from a 25% lift
Example 2
Email Campaign
45,000 delivered, 2,700 clicks.
- CTR = 6.000%
- Email click rates on delivered volume typically run well above display
✓ 6.000% CTR
Example 3
Search Campaign
12,000 impressions, 960 clicks.
- CTR = 8.000%
- Search CTR reflects intent — people actively looking for the term
✓ 8.000% CTR
Real-World Applications
Creative Testing
CTR is the primary measure for comparing ad creative and messaging variants.
Efficiency Multiplier
Higher CTR means more clicks from the same impressions, lowering effective cost per click without raising spend.
Relevance Signal
On search platforms, CTR feeds quality scoring, so improvements can also reduce the price paid per click.
Channel Benchmarking
CTR expectations differ by an order of magnitude across search, social, display, and email.
Common Mistakes to Avoid
⚠️
Comparing CTR across channels
Display CTR under 1% is normal while search can exceed 5%. Cross-channel comparison tells you nothing useful.
⚠️
Optimising CTR at the expense of quality
Clickbait creative raises CTR while attracting unqualified traffic that converts poorly, worsening cost per acquisition.
⚠️
Ignoring impression quality
Served impressions include those never viewed. CTR calculated on viewable impressions is meaningfully different and usually higher.
Frequently Asked Questions
What is a good click-through rate? ▾
It depends entirely on channel. Display often runs 0.05 to 0.5%, social 0.5 to 2%, and search 2 to 10% or higher for branded terms.
How does CTR affect cost per click? ▾
On search platforms, higher CTR improves quality score, which can lower the actual cost paid per click for the same position.
Should I always maximise CTR? ▾
No. CTR is a means, not an end. Traffic that clicks but never converts raises cost per acquisition despite an attractive CTR.
How do I improve CTR? ▾
Tighter audience targeting, clearer value propositions in the creative, message-match between ad and landing page, and systematic creative testing.
What is the difference between CTR and conversion rate? ▾
CTR measures clicks per impression; conversion rate measures conversions per click. They are sequential stages of the same funnel.