Function list

Looker Studio provides a number of powerful functions that can be used inside of calculated field formulas.

More information on each function, including examples, is available in the formula editor. This help will appear as you begin to type your formula.

Name Type Description Syntax
ABS Arithmetic Returns the absolute value of number. Learn more. ABS(X)
ACOS Arithmetic Returns the inverse of the cosine of X. Learn more. ACOS(X)
APPROX_COUNT_DISTINCT Aggregation Returns the approximate number of unique values of X. Learn more APPROX_COUNT_DISTINCT(X)
ASIN Arithmetic Returns the inverse of the sine of X. Learn more. ASIN(X)
ATAN Arithmetic Returns the inverse of the tangent of X. Learn more. ATAN(X)
AVG Aggregation Returns the average of all values of X. Learn more. AVG(X)
CASE (Simple) Conditional Compares input_expression to expression_to_match of each successive WHEN clause and returns the first result where this comparison returns true. Learn more

CASE input_expression
    WHEN expression_to_match THEN result
    [WHEN expression_to_match THEN result]
    [...]
    [ELSE result]
END
CASE Conditional Evaluates the condition of each successive WHEN clause and returns the first result where the condition is true; any remaining WHEN and ELSE clauses are not evaluated. If all conditions are false or NULL, returns else_result if present; if not present, returns NULL. Learn more

CASE
    WHEN condition THEN result
    [WHEN condition THEN result]
    [...]
    [ELSE else_result]
END
CAST Miscellaneous Cast field or expression into TYPE. Aggregated fields are not allowed inside CAST.TYPE can be NUMBER, TEXT, or DATETIME. Learn more. CAST(field_expression AS TYPE)
CEIL Arithmetic Returns the nearest integer greater than X. For example, if the value of X is v, CEIL(X) is greater than or equal to v. Learn more. CEIL(X)
COALESCE Conditional Returns the first non-missing value found in a list of fields. Learn more. COALESCE(field_expression[,field_expression, ...])
CONCAT Text Returns a text that is the concatenation of X and Y. Learn more. CONCAT(X, Y)
CONTAINS_TEXT Text Returns true if X contains text, otherwise returns false. Case-sensitive. Learn more. CONTAINS_TEXT(X, text)
COS Arithmetic Returns the cosine of X. Learn more. COS(X)
COUNT Aggregation Returns the number of values of X. Learn more. COUNT(X)
COUNT_DISTINCT Aggregation Returns the number of unique values of X. Learn more. COUNT_DISTINCT(X)
CURRENT_DATE Date Returns the current date as of the specified or default timezone. Learn more. CURRENT_DATE([time_zone])
CURRENT_DATETIME Date Returns the current date and time as of the specified or default timezone. Learn more. CURRENT_DATETIME([time_zone])
DATE Date Constructs a Date field or value from numbers or from a Date & Time field or expression. Learn more. DATE(year, month, day)
DATE_DIFF Date Returns the difference in days between X and Y (X - Y). Learn more. DATE_DIFF(X, Y)
DATE_FROM_UNIX_DATE Date Interprets an integer as the number of days since 1970-01-01. Learn more. DATE_FROM_UNIX_DATE(integer)
DATETIME Date Constructs a Date & Time field or value from numbers. Learn more. DATETIME(year, month, day, hour, minute, second)
DATETIME_ADD Date Adds a specified time interval to a date. Learn more. DATETIME_ADD(datetime_expression, INTERVAL integer part)
DATETIME_DIFF Date Returns the number of part boundaries between two dates. Learn more. DATETIME_DIFF(date_expression, date_expression, part)
DATETIME_SUB Date Subtracts a specified time interval from a date. Learn more. DATETIME_SUB(datetime_expression, INTERVAL integer part)
DATETIME_TRUNC Date Truncates a date to the specified granularity. Learn more. DATETIME_TRUNC(date_expression, part)
DAY Date Returns the day of a Date or Date & Time. Learn more. Day(date_expression)
ENDS_WITH  Text Returns true if X ends with text, otherwise returns false. Case-sensitive. Learn more. ENDS_WITH(X, text)
EXTRACT Date Returns part of a Date or Date & Time. Learn more. EXTRACT(part FROM date_expression)
FLOOR Arithmetic Returns the nearest integer less than X. For example, if the value X is v, FLOOR(X) is equal to or less than v. Learn more. FLOOR(X)
FORMAT_DATETIME Date Returns a formatted date string. Learn more. FORMAT_DATETIME(format_string, datetime_expression)
HOUR Date Returns the hour of a date and time. Learn more. HOUR(datetime_expression)
HYPERLINK Miscellaneous Returns a hyperlink to the URL, labeled with the link label. Learn more. HYPERLINK(URL, link label)
IF Conditional If condition is true, returns true_result, else returns false_result. false_result is not evaluated if condition is true. true_result is not evaluated if condition is false or NULL. Learn more IF(condition, true_result, false_result)
IMAGE Miscellaneous Creates Image fields in your data source Learn more. IMAGE(Image URL, [Alternative Text])
LEFT_TEXT  Text Returns a number of characters from the beginning of X. The number of characters is specified by length. Learn more. LEFT_TEXT(X, length)
LENGTH Text Returns the number of characters in X. Learn more. LENGTH(X)
LOG Arithmetic Returns the logarithm to base 2 of X. Learn more. LOG(X)
LOG10 Arithmetic Returns the logarithm to base 10 of X. Learn more. LOG10(X)
LOWER Text Converts X to lowercase. Learn more. LOWER(X)
MAX Aggregation Returns the maximum value of X. Learn more. MAX(X)
MEDIAN Aggregation Returns the median of all values of X. Learn more. MEDIAN(X)
MIN Aggregation Returns the minimum value of X. Learn more. MIN(X)
MINUTE Date Returns the minutes component of a given date and time. Learn more. MINUTE(datetime_expression)
MONTH Date Returns the month from a Date & Time value. Learn more. MONTH(date_expression)
NARY_MAX Arithmetic Returns the maximum value of X, Y, [,Z]*. All input arguments must be of the same type: all numbers. At least one input argument must be a field or an expression containing a field. Learn more. NARY_MAX(X, Y [,Z]*)
NARY_MIN Arithmetic Returns the minimum value of X, Y, [,Z]*. All input arguments must be of the same type, all numbers. At least one input argument must be a field or an expression containing a field. Learn more. NARY_MIN(X, Y [,Z]*)
NATIVE_DIMENSION Miscellaneous Returns the result of a SQL expression as evaluated by the underlying dataset. The expression cannot include any aggregations. Learn more. NATIVE_DIMENSION("JSON_VALUE('{"name": "Dana"}', '$.name')","STRING")
NULLIF Conditional Returns null if the input matches an expression, otherwise returns the input. Learn more. NULLIF(input_expression, expression_to_match)
PARSE_DATE Date Converts text to a date. Learn more. PARSE_DATE(format_string, text)
PARSE_DATETIME Date Converts text to a date with time. Learn more. PARSE_DATETIME(format_string, text)
PERCENTILE Aggregation Returns the percentile rank N of field X. Learn more. PERCENTILE(X,N)
POWER Arithmetic Returns result of raising X to the power Y. Learn more. POWER(X, Y)
QUARTER Date Returns the quarter of the year for a given date. Learn more. QUARTER(date_expression)
REGEXP_CONTAINS Text Returns true if X contains the regular expression pattern, otherwise returns false. Learn more. REGEXP_CONTAINS(X, regular_expression)
REGEXP_EXTRACT Text Returns first matching substring in X which matches the regular expression pattern. Learn more. REGEXP_EXTRACT(X, regular_expression)
REGEXP_MATCH Text Returns true if X matches the regular expression pattern, otherwise returns false. Learn more. REGEXP_MATCH(X, regular_expression)
REGEXP_REPLACE Text Replaces all occurrences of text which matches the regular expression pattern in X with the replacement string. Learn more. REGEXP_REPLACE(X, regular_expression, replacement)
REPLACE Text Returns a copy of X with all occurrences of Y in X replaced by Z. Learn more. REPLACE(X, Y, Z)
RIGHT_TEXT  Text Returns a number of characters from the end of X. The number of characters is specified by length. Learn more. RIGHT_TEXT(X, length)
ROUND Arithmetic Returns X rounded to Y precision digits. Learn more. ROUND(X, Y)
SECOND Date Returns the seconds component of a given date and time. Learn more. SECOND(datetime_expression)
SIN Arithmetic Returns the sine of X. Learn more. SIN(X)
SQRT Arithmetic Returns the square root of X. Note that X must be non-negative. Learn more. SQRT(X)
STARTS_WITH  Text Returns true if X starts with text. Otherwise, returns false. Case-sensitive. Learn more. STARTS_WITH(X, text)
STDDEV Aggregation Returns the standard deviation of X. Learn more. STDDEV(X)
SUBSTR Text Returns a text that is a substring of X. The substring begins at start index and is length characters long. Learn more. SUBSTR(X, start index, length)
SUM Aggregation Returns the sum of all values of X. Learn more. SUM(X)
TAN Arithmetic Returns the tangent of X. Learn more. TAN(X)
TOCITY Geo Returns the city name for X. TOCITY(X [,Input Format])
TOCONTINENT Geo Returns the continent name for X. Learn more. TOCONTINENT(X [,Input Format])
TOCOUNTRY Geo Returns the country name for X. Learn more. TOCOUNTRY(X [,Input Format])
TODATE Date Returns a formatted compatibility mode Date. Learn more. TODATE(X, Input Format, Output Format)
TODAY Date Returns the current date as of the specified or default timezone. Learn more. TODAY([time_zone])
TOREGION Geo Returns the region name for X. Learn more. TOREGION(X [,Input Format])
TOSUBCONTINENT Geo Returns the sub-continent name for X. Learn more. TOSUBCONTINENT(X [,Input Format])
TRIM Text Returns X with leading and trailing spaces removed. Learn more. TRIM(X)
UNIX_DATE Date Returns the number of days since 1970-01-01. Learn more. UNIX_DATE(date_expression)
UPPER Text Converts X to uppercase. Learn more. UPPER(X)
VARIANCE Aggregation Returns the variance of X. Learn more. VARIANCE(X)
WEEK Date Returns the week number for a given date. Learn more. WEEK(Date)
WEEKDAY Date Returns a number representing the day of the week for a given date. Learn more. WEEKDAY(Date)
YEAR Date Returns the year of a given date. Learn more. YEAR(Date)
YEARWEEK Date Returns the year and week number of a given date. Learn more. YEARWEEK(Date)