Applies to

Smartsheet
  • Pro
  • Business
  • Enterprise

Capabilities

Who can use this capability

The Owner,  Admins, and Editors can modify a formula in a sheet. 

Use formulas to perform calculations with dates

You can place a formula in one cell (formatted with a Date column type) that adds or subtracts numbers from dates in other cells.

PLANS

  • Smartsheet
  • Pro
  • Business
  • Enterprise

Permissions

The Owner,  Admins, and Editors can modify a formula in a sheet. 

The following table contains examples of using dates in formulas. The dates in the table below are in mm/dd/yy format. Numbers are treated as days, unless date functions are used.

  Date Formula Description Result
1 5/19/17 =Date1 - 5 Subtracts 5 days from the date 5/14/17
2 12/10/17 =Date2 + 5 Adds 5 days to the date 12/15/17
3 1/20/18 =DATE(YEAR(date12), MONTH(date12) + 1, DAY(date12)) Add a month to the date with use of the DATE, YEAR, MONTH, and DAY functions 2/20/18
  • You can't place formulas in date columns being used for dependencies. See Enabling Dependencies & Using Predecessors for more on dependencies.
  • The month and day value used in the DATE Function are restricted. Learn more about the date function

Still need help?

Use the Formula Handbook template to find more support resources, and view 100+ formulas, including a glossary of every function that you can practice working with in real time, and examples of commonly used and advanced formulas.

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