Marketing Calculators
Free ROI, CPC, CPM, CTR & engagement rate calculators.
Return on investment
—
Enter spend and revenue
Marketing Calculators is a free suite of the everyday math digital marketers need — ROI, cost per click (CPC), cost per thousand impressions (CPM), click-through rate (CTR), and social engagement rate — in one place. Enter your numbers and get instant, accurate results right in your browser, with no sign-up and nothing to install.
Want to grow the engagement you're measuring? Postigniter's free AI tools help you create click-worthy social and YouTube content.
Explore PostigniterBuilt for
- Paid media buyers
- Social media managers
- Performance marketers
- Agencies & freelancers
What it includes
ROI calculator
Enter spend and revenue to see return on investment as a percentage and a profit figure.
CPC calculator
Divide total spend by clicks to get your true cost per click across any campaign.
CPM calculator
Work out cost per thousand impressions to compare the efficiency of your placements.
CTR calculator
Turn clicks and impressions into a click-through rate to gauge creative performance.
Engagement rate calculator
Measure social engagement rate from interactions and followers or reach.
How it works
- 1
Pick the calculator you need from the tabs.
- 2
Type in your numbers — spend, clicks, impressions, revenue, or engagements.
- 3
See the result update instantly, calculated in your browser.
- 4
Use the figures to compare campaigns and report on performance.
Frequently asked questions
Are these marketing calculators free?+
Yes. Every calculator is completely free, runs in your browser, and requires no sign-up or download.
How is marketing ROI calculated?+
ROI is (revenue − cost) ÷ cost, expressed as a percentage. So $300 revenue from $100 spend is a 200% ROI.
What's the difference between CPC and CPM?+
CPC (cost per click) is spend divided by clicks; CPM (cost per mille) is spend divided by impressions, times 1,000. CPC measures cost per action, CPM measures cost per reach.
How do I calculate engagement rate?+
Divide total engagements (likes, comments, shares) by your followers or reach, then multiply by 100. Our engagement rate calculator does this for you.
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