> For the complete documentation index, see [llms.txt](https://planetarycarbonstandard.gitbook.io/pcs-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://planetarycarbonstandard.gitbook.io/pcs-documentation/standards/calculations/calculate-the-carbon-credit.md).

# Calculate the Carbon Credit

*\*\*Determine the weight of carbon in the tree*

*The average carbon content (carbon fraction) is generally 50% of the tree’s total dry weight.*

Therefore, to determine the weight of carbon in the tree, multiply the dry weight of the tree by 50%.

 

*\*\*Determine the weight of carbon dioxide sequestered in the tree*

CO2 is composed of one molecule of Carbon and 2 molecules of Oxygen.

§  *The atomic weight of Carbon is 12.001115.*

§  *The atomic weight of Oxygen is 15.9994.*

§  *The weight of CO2 is C+2\*O=43.999915.*

§  *The ratio of CO2 to C is 43.999915/12.001115=3.6663.*

Therefore, to determine the weight of carbon dioxide sequestered in the tree, multiply the weight of carbon in the tree by 3.6663.6