Marketing-Rechner offers 40 free calculators for performance marketing, e-commerce and SaaS, from ROAS and CAC through CLV and churn rate to sponsorship pricing. Every calculator returns more than a number: a one-sentence verdict, a benchmark against reference values, and the calculator to open next. Values carry over from one calculator to the next. The Marketing Cockpit links six levers (budget, cost per click, conversion rate, order value, margin, purchase frequency) into one chain from click to profit and shows which single lever would fix a problem. The site also publishes its own study of Google Ads click prices across 38 industries in Switzerland, Germany and Austria (data as of October 2026), 24 guides and a 37-term glossary. Everything runs locally in your browser, in EUR, CHF or USD, with no sign-up. Calculators in German and English; the study and most guides are in German. Run from Switzerland.



