> For the complete documentation index, see [llms.txt](https://wincl-1.gitbook.io/wincl_monitoring/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://wincl-1.gitbook.io/wincl_monitoring/wincl-monitoring-user-guide/wincl-monitoring-essential/screen_guide.md).
# Basic Calculation
Calculate emissions from simple data input or uploading files.
{% tabs %}
{% tab title="Data Simple Calculation" %}
## 1. Data Simple Calculation
Roughly calculate emissions based on either energy consumption data or cost data.
### 1. Usage-Based or Cost-Based Data Input
You can calculate emissions by entering either cost or usage data for each emission source using the toggle on the right.
The calculation method can be switched only for **gasoline, diesel, LPG, and LNG**. All other fuels can be calculated using usage data.
### 2. Add Fuel
Click **`Fixed Fuel Add`** to add different types of fuels for emission calculation.
When you add a fixed fuel, it will appear below the fixed combustion section.
You can remove it by clicking the X button on the left.
### 3. Calculate Emissions
When you click the **`Calculate`** button at the bottom, the estimated emissions will be displayed on the right.
{% endtab %}
{% tab title="EEIO AI Emission Estimation" %}
## 2. EEIO AI Emission Estimation
You can calculate emissions based on your company’s financial statements.
### 1. Upload File
Click **`Upload File`** to upload a file.
### Calculate Emissions
When you click the **`Calculate`** button at the bottom, WinCL AI estimate emissions based on a financial statement.
Can view the estimated Scope 1, 2, and 3 emissions.
{% endtab %}
{% endtabs %}
