> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sensorup.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Unit Conversion Settings

> Unit conversion provides the flexibility to customize how emission data is displayed and calculated throughout the application. You can set your preferred measurement units for emission rates and volumes to match your personal needs.

## Configuring Your Unit Preferences

You can set default units that will be applied to all emission data you see. Your preferences are saved to your profile and will remain consistent every time you log in.

1. Navigate to your Avatar in the **bottom left corner** of the application.
2. Click on **My Profile**.
3. In the settings panel, locate the **Units / Emission Events** section.
4. Configure your units:
   * **Measurement Type**: Select whether you want to view emissions by Mass (e.g., $kg$) or Volume (e.g., $m^3$).
   * **Unit System**: Choose your preferred system (e.g., Metric or Imperial).
   * **Time Unit for Rate**: Select the time basis for emission rates (e.g., per hour, per day, per minute).
   * **Methane Density Standard**: Choose the scientific standard for methane density calculations from the dropdown menu.
5. Click **Save** to apply your changes.

<Note>
  These settings only change **your personal view** of the data. They do not change the settings or the data view for anyone else in your organization.
</Note>

## Conversion Standards

The application supports the following standards:

| Standard            | Standard Conditions                             | Methane ($CH_4$) Density |
| :------------------ | :---------------------------------------------- | :----------------------- |
| **IUPAC**           | $0^{\circ}C$ (273.15 K) and 100 kPa (1 bar)     | $0.7082593 \ kg/m^3$     |
| **NIST**            | $0^{\circ}C$ (273.15 K) and 101.325 kPa (1 atm) | $0.71766905 \ kg/m^3$    |
| **EPA**             | $20^{\circ}C$ (293.15 K) and 101.325 kPa        | $0.656 \ kg/m^3$         |
| **EPA / AGA / ISO** | $15^{\circ}C$ (288.15 K) and 101.325 kPa        | $0.6799 \ kg/m^3$        |
| **BC-ER**           | $15^{\circ}C$ (288.15 K) and 101.325 kPa        | $0.6785 \ kg/m^3$        |

<Warning>
  All data in our system is ingested and stored as Mass ($kg$). This means there may have already been a conversion from Volume to Mass before the data was imported.
</Warning>

The reason we have this option to convert to Volume is to improve communication between teams. For example, it allows Air Quality users to share findings with Operators using volumetric units, which may better match the Operators' context and equipment readings.

## Where Your Settings Apply

Once you save your preferences, all data related to emission events will automatically be displayed in your chosen units. This affects numerical values everywhere you see them, including:

* **Emission Event Lists**: Tables and lists showing multiple emissions.
* **Detail Panels**: The detailed view for a single emission event.
* **Analytics & Reports**: All charts, graphs, and reports you view or generate.

## Benefits of Custom Units

#### For Individual Users

* **Consistency**: View all data in the units you are most comfortable with.
* **Efficiency**: Eliminate the need for manual conversions and external calculators.
* **Clarity**: Reduce confusion and potential errors from interpreting mixed unit displays.

## Tips & Best Practices

* **Choose the Right Standard**: Before analyzing data, confirm you have selected the methane density standard that matches your project or regulatory requirements.
* **Verify for Critical Reports**: When preparing data for compliance or critical reports, always double-check that the selected units and standards are correct.
* **Align With Your Team**: Coordinate with your team members to agree on a set of preferred units to ensure seamless collaboration.

## FAQ

**Q: Can I set default units for my entire organization or team?**

A: Currently, unit preferences are set on an individual user basis and do not apply to your entire organization. However, we are always looking for ways to improve collaboration. If having organization-wide default settings would be useful for your team, please share this feedback with your designated **Customer Success contact**.

**Q: Why does my emission data look different after I changed my settings?**

A: This is expected behavior. Each methane density standard uses different temperature and pressure values, which results in a different calculated emission mass or volume. Ensure you have selected the correct standard for your needs.

**Q: Some parts of the application are still showing the old units.**

A: Try refreshing the page. If the issue persists, logging out and logging back in will ensure that your new preferences are applied to all components across the application.

***

## Support & Feedback

For any questions, support needs, or feedback regarding unit conversion, please reach out to your designated **Customer Success contact**.