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Smartsheet includes common functions found in most desktop spreadsheet programs. You’ll also find a few functions that help with tasks you might do exclusively in Smartsheet (work with data in a hierarchical list, for example). You can use these functions in formulas to manipulate data, to add or subtract dates, or to make calculations—to name just a few things you might want to do.
Here’s a list of all the available functions in Smartsheet.
Title  Syntax  Description 

ABS Numeric 
ABS(

Returns the absolute value of a number. Learn more 
ANCESTORS Hierarchy 
ANCESTORS(

Used within another function to reference all of the ancestors in a cell’s hierarchy Learn more 
AND Logic 
AND(

Used within another function to return true if all provided logical expressions are true. Learn more 
AVERAGEIF Advanced 
AVERAGEIF(

Returns the average of a range of numbers that meet a given criteria Learn more 
AVG Numeric 
AVG(

Returns the average (mean) of the provided numbers. Learn more 
AVGW Advanced 
AVGW(

Returns a weighted average (the mean, where each value is weighted by its relative importance) Learn more 
CEILING Numeric 
CEILING(

Rounds a number away from zero to the nearest specified multiple of significance Learn more 
CHAR Numeric 
CHAR(

Converts a number into a character Learn more 
CHILDREN Hierarchy 
CHILDREN(

Used within another function to reference the child rows of the referenced parent row. Learn more 
COLLECT Advanced 
COLLECT(

Used within another function to collect specific values in a range that meet the provided criteria. Learn more 
CONTAINS Logic 
CONTAINS(

Is used within another function to search for a character or string. It will return "True" if it found the character or string. Otherwise, it will return "False." Learn more 
COUNT Numeric 
COUNT(

Counts nonblank values Learn more 
COUNTIF Advanced 
COUNTIF(

Counts the number of cells within a range that meet a criterion. Learn more 
COUNTIFS Advanced 
COUNTIFS(

Counts the number of times all given conditions in their respective ranges are met. Learn more 
COUNTM Advanced 
COUNTM(

Counts the number of elements in a multicontact or multiselect dropdown column cell or cell range. When you use this function, it returns the total number of elements it finds. Learn more 
DATE Date 
DATE(

Combines values for a year, month, and day into a date Learn more 
DATEONLY Date 
DATEONLY(

Use this function in a Date column to extract the date portion of a date/time value. Learn more 
DAY Date 
DAY(

Returns a number representing the day of the month, 1–31, where 1 is the first day Learn more 
DECTOHEX Numeric 
DECTOHEX(

Converts a decimal number into a hexadecimal value. Learn more 
DESCENDANTS Hierarchy 
DESCENDANTS(

Is used within another function to reference all descendant rows of the parent row's referenced cell. Learn more 
DISTINCT Advanced 
DISTINCT(

Used within another function to return an array of unique values in a range. Learn more 
FIND Text 
FIND(

Use this function to return the starting position of a string within text. Learn more 
FLOOR Numeric 
FLOOR(

Rounds a number toward zero to the nearest specified multiple of significance Learn more 
HAS Logic 
HAS(

Searches for an exact match of a single value, including if this value appears in a multicontact or multiselect dropdown column cells or ranges with other values. If HAS finds the exact match, it returns "True." Otherwise, it returns "False." Learn more 
HEXTODEC Numeric 
HEXTODEC(

Converts a hexadecimal value to decimal number Learn more 
IF Logic 
IF(

Evaluates a logical expression and returns one value when true or another when false. Learn more 
IFERROR Logic 
IFERROR(

Returns the first value if it isn’t an error and otherwise returns the second value Learn more 
INDEX Advanced 
INDEX(

Returns an item from a collection based on provided row and column indexes Learn more 
INT Numeric 
INT(

Returns the integer portion of a number Learn more 
ISBLANK Logic 
ISBLANK(

Checks whether a value is blank Learn more 
ISBOOLEAN Logic 
ISBOOLEAN(

Checks whether a value is a boolean (e.g., checkbox, flag, or star) Learn more 
ISCRITICAL Logic New!

ISCRITICAL(

Identifies if a row is on the critical path. Learn more 
ISDATE Logic 
ISDATE(

Checks whether a value is a date Learn more 
ISERROR Logic 
ISERROR(

Checks for a calculation error within another formula Learn more 
ISEVEN Logic 
ISEVEN(

Checks whether a number is even. If a value is even, this function returns "True." If the value is odd, this function returns "False." Learn more 
ISNUMBER Logic 
ISNUMBER(

Checks whether a value is a number Learn more 
ISODD Logic 
ISODD(

Checks whether a number is odd. If the value is odd, it returns "True." Otherwise, it returns "False." Learn more 
ISTEXT Logic 
ISTEXT(

Checks whether a value is text Learn more 
JOIN Advanced 
JOIN(

Combines a range of cells into a string with optional delimiters between the values Learn more 
LARGE Numeric 
LARGE(

Returns the nth highest number in a provided range Learn more 
LEFT Text 
LEFT(

Returns the leftmost characters from a text string Learn more 
LEN Numeric 
LEN(

Returns the number of characters in a text string, including spaces Learn more 
LOWER Text 
LOWER(

Converts any uppercase characters to lowercase Learn more 
MATCH Advanced 
MATCH(

Returns the relative position of a value in a range (lookup table). The first position is 1. Learn more 
MAX Numeric 
MAX(

Returns the highest number or latest date. Learn more 
MEDIAN Numeric 
MEDIAN(

Returns the value of the midpoint of the range of numbers Learn more 
MID Text 
MID(

Returns a portion of text based on a given starting point and number of characters Learn more 
MIN Numeric 
MIN(

Returns the lowest number or earliest date Learn more 
MOD Numeric 
MOD(

Returns the remainder after a division operation Learn more 
MONTH Date 
MONTH(

Returns a number representing the number of the month, 1–12, where 1 is January Learn more 
MROUND Numeric 
MROUND(

Returns a number rounded up to the desired multiple Learn more 
NETDAYS Date 
NETDAYS(

Returns the number of days from a start date to an end date Learn more 
NETWORKDAY Date 
NETWORKDAY(

Returns the number of working days between two dates. Adds 1 day to the result if the start date is a nonworking day. Learn more 
NETWORKDAYS Date 
NETWORKDAYS(

Returns the number of working days between two dates. Learn more 
NOT Logic 
NOT(

Used within another function to provide the opposite of a logical expression Learn more 
NPV Advanced 
NPV(

Calculates the net present value of an investment based on a series of cash flows and a discount rate Learn more 
OR Logic 
OR(

Used within another function to return true if at least one provided logical expression is true. Learn more 
PARENT Hierarchy 
PARENT(

References the parent of the specified cell. Learn more 
PERCENTILE Advanced 
PERCENTILE(

Returns the value of a given percentile in a range Learn more 
PRORATE Advanced 
PRORATE(

Returns a portion of a value divided across a provided date range Learn more 
RANKAVG Numeric 
RANKAVG(

Returns the rank of a number relative to other numbers in a range, and assigns an average rank to any duplicates. Learn more 
RANKEQ Numeric 
RANKEQ(

Returns the rank of a number relative to other numbers in a range Learn more 
REPLACE Text 
REPLACE(

Replaces a string of characters, starting at a given position and ending a given number of characters beyond Learn more 
RIGHT Text 
RIGHT(

Returns the rightmost characters from a text string Learn more 
ROUND Numeric 
ROUND(

Rounds a given number to the desired number of decimal places Learn more 
ROUNDDOWN Numeric 
ROUNDDOWN(

Rounds a number down to a specified number of decimal places Learn more 
ROUNDUP Numeric 
ROUNDUP(

Rounds a number up to a specified number of decimal places Learn more 
SMALL Numeric 
SMALL(

Returns the nth lowest number in a provided range Learn more 
STDEVA Advanced 
STDEVA(

Estimates standard deviation based on a sample set of values Learn more 
STDEVP Advanced 
STDEVP(

Estimates standard deviation based on a set of values, including nonnumbers Learn more 
STDEVPA Advanced 
STDEVPA(

Calculates standard deviation based on an entire set of values, including nonnumbers Learn more 
STDEVS Advanced 
STDEVS(

Estimates standard deviation based on a sample population of numbers, ignoring nonnumbers Learn more 
SUBSTITUTE Text 
SUBSTITUTE(

Replaces existing text with new text in a string Learn more 
SUCCESSORS Numeric 
SUCCESSORS(

Used within another function to calculate the direct successors of a task and return succeeding task row number(s) that occur as a result of the referenced task. Learn more 
SUM Numeric 
SUM(

Adds a series of numbers Learn more 
SUMIF Advanced 
SUMIF(

Adds numbers within a range that meet a specified condition Learn more 
SUMIFS Advanced 
SUMIFS(

Adds numbers within a range when all given conditions in their respective ranges are met. Learn more 
TODAY Date 
TODAY(

Used in a Date column to return the current date Learn more 
TOTALFLOAT Logic New!

TOTALFLOAT(

Calculates the number of days that a task can be delayed without impacting the Project Finish Date. Learn more 
UNICHAR Numeric 
UNICHAR(

Converts a number into a Unicode character. Learn more 
UPPER Text 
UPPER(

Converts lowercase characters in a text string to uppercase Learn more 
VALUE Text 
VALUE(

Converts a text value that represents a number into a number Learn more 
VLOOKUP Advanced 
VLOOKUP(

Looks up a value and returns a corresponding value in the same row but from a different column. Learn more 
WEEKDAY Date 
WEEKDAY(

Returns a number representing the day of the week, 1–7, where Sunday equals 1 Learn more 
WEEKNUMBER Date 
WEEKNUMBER(

Returns a number representing the week of the year, 1–53, where 1 is the first week in the year. Learn more 
WORKDAY Date 
WORKDAY(

Used in a Date column to return a date from a specified number of working days. Learn more 
YEAR Date 
YEAR(

Returns the year from a date as a fourdigit number Learn more 
YEARDAY Date 
YEARDAY(

Returns a number representing the day in the year, 1–365, where 1 is the first day of the year Learn more 