Analytics
Media Buying Metrics Calculator
A browser calculator for CPM, CTR, CPC, CVR, CPA, ROAS, plus reverse planning from target economics.
- • Reverse mode is for pressure-testing assumptions before launch.
- • CTR and CVR are calculated internally as decimals, then shown as percentages.
- • Diagnostics are rule-based and designed to point at the likely bottleneck.
Mode
How it works
Result / output
CPA
$17.61
CPA = spend / conversions
Cost per conversion at current data.
ROAS
1.84x
ROAS = revenue / spend
CPC
$0.81
CPC = spend / clicks
Average cost for one click.
CVR
4.58%
CVR = conversions / clicks
Click-to-conversion rate.
CPM
$13.89
CPM = (spend / impressions) × 1000
CTR
1.72%
CTR = clicks / impressions
Diagnostic notes
Formula reference
How to read CPM, CTR, CPC, CPA and ROAS without losing the story
A practical guide to the core paid media metrics: what each one means, how they connect, and how to diagnose pressure before making random changes.
How to calculate break-even CAC for one-time purchases and subscriptions
A practical guide to break-even CAC: what goes into the number, how to avoid fake confidence, and how to compare current CAC to real unit economics.
Can I paste formatted numbers like 12,500.50?
Yes. The inputs tolerate common separators and decimal formats.
What happens if a denominator is zero?
The metric stays empty instead of breaking the interface.