Carbon Score

Carbon Score (Calculator) helps you estimate your personal carbon footprint and track it over time. In just a few steps, see how driving, flights, home energy, diet, and spending contribute to your annual CO₂e—then watch your trend as you make changes. Why Carbon Score? Fast 7-step calculator: Cars, flights, transit, home energy, diet, spending, and waste. Clear category breakdown: Know exactly where your emissions come from. Trend + history: Log results and visualize your improvement over time. Privacy-first: No ads, no cross-app tracking. What you can do: Enter your annual activity data. View a category chart and TOTAL tCO₂e/year. Save results to History and view the Trend in Detailed Score. Learn which habits move the needle. What’s not included: No accounts required. No in-app purchases. No ads or third-party trackers. Who it’s for: Anyone who wants a practical, private way to understand and reduce their footprint.