Formula Fields

Formula Fields and Roll-up Summary Fields Usage in Salesforce

Here We are going to discuss “Formula Fields and Roll-Up Summary in Salesforce”. Let's talk beforehand about my blog. 

Formula field:

We use Formula Fields in Salesforce to calculate validation rules, custom fields, flow logic and lots of greater things. 

  • It is a Read-Only Field and robotically calculates a value based on different fields or a formula. 
  • It derives the value from Formula expression. 
  • Any Changes withinside source field will Automatically replace the Formula field. 
  • By the use of Formula Editor we create a formula in Salesforce.

For Creating a formula field Go to the hyperlink route Setup Home → Object Manager → Contact. After which click on Fields and Relations tab and add New. Choose Formula as the data type, then click Next. Below is the screenshot of the kind of output you need to pick. 

Checkbox: To calculate False or True value. 

Currency: It Returns a number up to 18 digits in foreign money layout with foreign money sign. 

Date: It returns a date for example: Today() is the integrated characteristic for present day  date. 

Date/Time: Return Date with Time with day inclusive of hour, minute and seconds. 

Number: Returns a Number with positive or negative integer or decimal of as much as 18 digits. 

Percent: Returns various in percentage with a percentage signal and It may be of as much as 18 digits. 

Text: It returns a textual content string. 

Time: Returns time field consists of the time of day with the aid of using hour, minutes, seconds, and milliseconds. 

dont miss out iconDon't forget to check out: What are Cross Object Formula fields in Salesforce?

Limits and Restrictions:

  • We can show the most range of one thousand three hundred characters after an assessment of a formula expression. 
  • It can incorporate as much as 3,900 characters, spaces, return characters, and comments all are included 
  • Compiled Formula field can't be greater  than 40000 bit. 
  • In the formula field we can't use textual content area, encrypted or Description. 
  • fields referenced in formulas are not deletable. 

Roll-Up Summary: 

Now we head up to the roll-up summary. In the roll-up summary field we calculate values from associated records. 

  • We can Create Roll-up summary field simplest On the master object in a Master detail relationship. 
  • Roll-up summary robotically replaces the master record. 
  • It is to be had on Page layouts, related lists ,views and reports. 

There are four functions in the Roll-up summary field.

Count(): In the master-detail relationship, Child record is calculated with the useful resource of the use of Count(). 

Min(): For a specified field on the child records we use min() and It calculates least value. 

Max(): It calculates maximum value For a specified field on the child records.For max calculations there are numerous Fields available ex: Number, currency, percent, date and date/time . 

Sum(): It calculates the sum of the value For a specified field on the child records. For sum calculations there are numerous Fields available like Number, currency and the percent fields. 

Create a roll up summary field:

Create two custom objects and join it with Master Detail Relationship. 

Click Setup then click on Object Manager then Custom Object which we created then 

Field & Relationship then New then Roll Up Summary after which Enter the Label and 

Click on Next. 

summary field

Select Roll-up Type, and the field click on Next after which Save. 

dont miss out iconCheck out another amazing blog by Shivam here: Data Management in Salesforce - Here is All You Need to Know


  • We create Roll-up summary only on records that are having Master-Detail Relationship. 
  • We can create the simplest 25 roll-up summary fields for an object. 
  • There are many data types that cannot be utilized in roll-up summary filters, e.g.: Long text areas, multi-select picklist, Description fields, system fields, cross-object formula fields, and lookup fields. 
  • We can't extrade Master-detail relationships to a lookup relationship after growing a roll-up summary field on an object. 


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