# CO₂ Calculator

### How to setup the CO₂ Calculator (Event location)

Set up the CO₂ calculator using these simple steps:

1. Open the Admin panel
2. Go to Settings -> General settings -> Event Information
3. Enter the Event location
4. Save changes

### Users experience

When first logging into the virtual event users will be prompted to provide their current location, and the platform will calculate the CO₂ savings based on the distance they would have travelled to the event if it was in-person.

![](/files/-Mci3oPwiyQ7OIrGQH5c)

### How are CO₂ savings calculated?

The calculation of distance is based on Google and in case Google can't calculate it well (so with flight distance) we make our own calculations based on [this formula](https://en.wikipedia.org/wiki/Vincenty%27s_formulae).

### How to disable the CO₂ Calculator

You can disable the CO₂ Calculator by completing these simple steps:

1. Open the Admin panel
2. Go to Settings -> Virtual event settings
3. Click on Show extra settings
4. Go to General -> Search for the option 'Add location tab to the popup for the co2 calculator'
5. Disable this setting


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