All costs in our Impact Calculator are in US dollars and are best estimates based on information provided by our recommended charities or evaluators like GiveWell.org.

Please note that

  • we are in the process of verifying and updating the cost figures for each charity. Hence, some of the figures that you see in the impact calculator may be outdated.
  • at this stage, our impact calculator does not display cost figures for charities tackling climate change.