Calculator
Enter all monetary amounts in the same currency. The calculator returns ratios and amounts in that same basis.
CPM20
CTR1.5%
CPC1.33
Conversion rate4%
CPA33.33
ROAS4:1
Method and inputs
Formula: CTR = clicks / impressions; CPM = spend / impressions x 1,000; CPA = spend / conversions
Inputs: Ad spend, impressions, clicks, conversions and attributed revenue for the same campaign period.
Worked example
$1,000 spend, 50,000 impressions, 750 clicks, 30 conversions and $4,000 attributed revenue gives $20 CPM, 1.5% CTR, $1.33 CPC, 4% conversion rate, $33.33 CPA and 4:1 ROAS.
Important limits
The result is only as complete as the attribution and cost data entered. It does not establish incrementality, profitability, customer lifetime value or a universally good benchmark.