Manage custom units

What it's for

Use the Manage Custom Units spreadsheet to:

• Add custom units to the system.
• Define how each custom unit converts to a specific unity category.
• View all system-provided units

Limitations

• ❌ You cannot create custom units for the Temperature or Money unit categories.

Spreadsheet details

• Each column header has help text in the row below.
• Required fields are clearly marked.
• Provide correct unit category and conversion logic for each new unit.

What happens on upload

• Only rows without errors are processed.
• If any row contains an error:
  • The row is skipped.
  • An error file is generated for download.
  • Problematic cells are highlighted in red.

Spreadsheet tabs

• DataEntry – this tab is where you add custom units
• System units – a read-only tab of all system units in the application.

Key points

• Custom factors added here appear in the factors list.
• Each fact can have multiple versions.
• The most recent version is used in the application, but older versions help track emissions changes over time.
• To create a factor or version, fill in all required columns.
• Each factor version must include at least one gast type.

Spreadsheet columns

Column	Rules
Unit ID	Read-only field
Unit Name	Enter the name of the new unit.
Unit Code	Enter a unique code.
Unit Symbol	Enter a unique unit symbol.
Unit Category and Primary Unit	Select from the drop-down. The category unit will automatically populate.
Conversion to Primary Unit for the selected category	This is the multiplier
Delete unit	Select DELETE from the drop-down to remove a unit.