Step 1. Go to Organization administration > Setup > Units > Units.
Step 2. On the Action Pane, click on New button.
Step 3. In the Unit field, type a value.
Step 4. In the Description field, type a value.
Step 5. In the Unit class field, select a value.
Step 6. Select Yes in the System unit field.
Step 7. In the Decimal precision field, enter a number.
Step 8. On the Action Pane, click on Save button.
Step 9. On the Action Pane, click on Back button.