Essential Digital Marketing Formulas

There aren’t many formulas (this isn’t physics), but the key formulas in digital marketing are absolutely crucial. Here is a quick cheat sheet to five formulas everyone in digital marketing should know:


Cost Per Click Cost/Clicks


Click-Through Rate Clicks/Impressions

Conversion Rate

Conversion Rate Conversion/Clicks

Return On Investment

ROI (Gain from Investment – Cost of Investment) / Cost of Investment

Percent Change

% Change (Old – New) / Old
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