Business Calculators

Our Carbon Footprinting software is the leading & authoritative calculation package and also one of easiest to use – so much so that it has well over 1 million users worldwide.

If you have a Carbon Footprint website account, please note you will need to register for a separate Sustrax Lite account, in the log-in/registration page below.

For better mobile support click here.

Application Logo Publish your results to the Carbon Database Initiative  Click Here


To use our classic calculator Login here and scroll to below the Sustrax Lite Version



To purchase the more advanced versions of Sustrax Lite shown below, register for a Lite account here and go to the 'Upgrades' page once registered (Video Guide), or see our large business version Sustrax MX. If you need any assistance please contact us here.



Contact Us to discuss our Enterprise Sustrax MX platform