Inputs used
- Advertising spend
- Recorded impressions
- Recorded clicks
- Currency symbol
Free paid media tool / Delivery metrics
CPC, CPM and CTR calculator for paid media reporting
CPC, CPM and CTR describe media delivery and response. They help diagnose auction and creative behaviour but do not prove lead quality, sales or profitable growth.
Use the calculatorFree · No account · Inputs stay in your browser
Interactive tool
Change the assumptions. Compare the scenario.
Enter non-sensitive planning values. The output updates in your browser and is not sent to GrowthLabs.
- Cost per click (CPC)
- $0.4
- Cost per 1,000 impressions (CPM)
- $10
- Click-through rate (CTR)
- 2.5%
- Commercial interpretation
- Go deeper
Connect these delivery metrics to qualified conversions, CPA, value and margin.
Formula and inputs
Know what the result actually represents.
CPC = spend ÷ clicks. CPM = spend ÷ impressions × 1,000. CTR = clicks ÷ impressions × 100.
Important cautions
- +Platform definitions and invalid-traffic controls can differ.
- +A cheap click can still be irrelevant.
- +CTR comparisons require similar placements, audiences and objectives.
- +Reconcile campaign metrics with qualified conversion economics.
How to use the output
Move from arithmetic to a better decision.
- 01
Align the period
Export spend, impressions and clicks from the same dates and scope.
- 02
Segment responsibly
Compare like-for-like campaigns, placements, devices and audiences.
- 03
Read the relationship
Use CPM for delivery cost, CTR for response and CPC for their combined effect.
- 04
Go deeper
Connect the delivery layer to conversion rate, CPA, value and margin.
Tool questions
Definitions and limits, answered.
01What is CPC?
Cost per click is advertising spend divided by recorded clicks.
02What is CPM?
Cost per mille is advertising spend per one thousand recorded impressions.
03What is CTR?
Click-through rate is recorded clicks divided by recorded impressions, multiplied by 100.
04Which metric matters most?
None is sufficient alone. Use them to diagnose delivery, then make commercial decisions with qualified outcomes and economics.
Continue with context