By ‘submitting’ your results you are anonymously contributing to industry data. All carbon emissions conversion factors are based on UK Government published figures (2025). Factors used for ‘car’ and’ ‘campervan’ are based on an average car and 3.5t van. Google API is used for calculating distances for driving & cycling scenarios. Crow flies calculations are used for direct methods, e.g. flights, ferry, etc. All figures provided are approximate and intended to illustrate differences between travel choices.

This travel carbon calculator is provided by a third party; onboard.earth. See our privacy policy.