A common tool to assess the whole life embodied carbon

of building projects. Free. Online. Simple.


--Used in more than 200 organizations--


How it works




My project


Note: Your project info are confidential.



Open an existing project





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  1. My materials [0]
  2. My site [0]
Open a project to add/display materials

Add materials


Type below what you are looking for:


e.g., concrete, rebar, etc.



Can't find what you are looking for? Add your own material.


Open a project to add/display activities

Add activities


 unit (u)


Reminder: GHG emissions=activity data x emission factor.




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