# carboncalc

> Free household carbon footprint calculator. It estimates yearly greenhouse gas emissions (tonnes CO2e) from home energy, transport, flights, food, shopping, water and waste using published emission factors (UK DESNZ 2026, US EPA 2025 and eGRID, Ember, FAO, World Bank, Eurostat). No sign-up; every result line cites its source row.

Scope: households worldwide, per country. Units: kg or tonnes CO2e per year. Last updated: 2026-09-26. It is an estimate, not a verified inventory, offset or carbon-neutral certification.

## Key pages
- [Personal calculator](https://carbon-calculator-4gm.pages.dev/personal): the household carbon footprint calculator, start to results.
- [Methodology](https://carbon-calculator-4gm.pages.dev/methodology): approach, standards followed or not claimed, every data source with licence, every model assumption.
- [Business calculator](https://carbon-calculator-4gm.pages.dev/business): planned calculator for startups, SMBs and enterprises (not yet available).
- [Privacy and cookies](https://carbon-calculator-4gm.pages.dev/privacy): what is stored, cookies used, how to delete data.

## Data sources and licence
Factors come from open government and academic datasets listed with licences at https://carbon-calculator-4gm.pages.dev/methodology.

## Sitemap
https://carbon-calculator-4gm.pages.dev/sitemap.xml