The Decimal Numbercustom field allows you to show numbered fields as decimal numbers. Before they create a custom field Decimal Numbers, users can decide if they want to have one, two or three decimals.
Decimal Number is only available as a custom field type. It is not possible to define general values or any other setting options. Use configuration scheme context to define standard values.
Create and configure the custom field
To create and configure the custom field, you must be logged in as a user with Jira Administrator permissions.
Go to Settings → Issues → Custom Fields
Create a new custom field of type CFS - Decimal Number
Add name and description
Associate the field to the appropriate screens. You must associate a field to a screen before it will be displayed.
Click on 1 Context and click Create, edit or delete contexts on the dialogue.
Click Edit custom field config.
Define the number of decimals that will display on associated screens.