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.
| Type | Name | Description | Syntax |
|---|---|---|---|
| Aggregation | AVG | Returns the average of all values of X. Learn more. | AVG(X) |
| Aggregation | COUNT | Returns the number of values of X. Learn more. | COUNT(X) |
| Aggregation | COUNT_DISTINCT | Returns the number of unique values of X. Learn more. | COUNT_DISTINCT(X) |
| Aggregation | MAX | Returns the maximum value of X. Learn more. | MAX(X) |
| Aggregation | MEDIAN | Returns the median of all values of X. Learn more. | MEDIAN(X) |
| Aggregation | MIN | Returns the minimum value of X. Learn more. | MIN(X) |
| Aggregation | PERCENTILE | Returns the percentile rank N of field X. Learn more. | PERCENTILE(X,N) |
| Aggregation | STDDEV | Returns the standard deviation of X. Learn more. | STDDEV(X) |
| Aggregation | SUM | Returns the sum of all values of X. Learn more. | SUM(X) |
| Aggregation | VARIANCE | Returns the variance of X. Learn more. | VARIANCE(X) |
| Arithmetic | ABS | Returns the absolute value of number. Learn more. | ABS(X) |
| Arithmetic | ACOS | Returns the inverse of the cosine of X. Learn more. | ACOS(X) |
| Arithmetic | ASIN | Returns the inverse of the sine of X. Learn more. | ASIN(X) |
| Arithmetic | ATAN | Returns the inverse of the tangent of X. Learn more. | ATAN(X) |
| Arithmetic | CEIL | 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) |
| Arithmetic | COS | Returns the cosine of X. Learn more. | COS(X) |
| Arithmetic | FLOOR | 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) |
| Arithmetic | LOG | Returns the logarithm to base 2 of X. Learn more. | LOG(X) |
| Arithmetic | LOG10 | Returns the logarithm to base 10 of X. Learn more. | LOG10(X) |
| Arithmetic | NARY_MAX | 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]*) |
| Arithmetic | NARY_MIN | 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]*) |
| Arithmetic | POWER | Returns result of raising X to the power Y. Learn more. | POWER(X, Y) |
| Arithmetic | ROUND | Returns X rounded to Y precision digits. Learn more. | ROUND(X, Y) |
| Arithmetic | SIN | Returns the sine of X. Learn more. | SIN(X) |
| Arithmetic | SQRT | Returns the square root of X. Note that X must be non-negative. Learn more. | SQRT(X) |
| Arithmetic | TAN | Returns the tangent of X. Learn more. | TAN(X) |
| Conditional | CASE | 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 |
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| Conditional | CASE (Simple) | Compares input_expression to expression_to_match of each successive WHEN clause and returns the first result where this comparison returns true. Learn more |
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| Conditional | IFNULL | Returns a result if the input is null, otherwise, returns the input. Learn more. | IFNULL(input_expression, null_result) |
| Conditional | COALESCE | Returns the first non-missing value found in a list of fields. Learn more. | COALESCE(field_expression[,field_expression, ...]) |
| Conditional | IF | 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) |
| Conditional | NULLIF | Returns null if the input matches an expression, otherwise returns the input. Learn more. | NULLIF(input_expression, expression_to_match) |
| Date | CURRENT_DATE | Returns the current date as of the specified or default timezone. Learn more. | CURRENT_DATE([time_zone]) |
| Date | CURRENT_DATETIME | 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 | DATE_DIFF | Returns the difference in days between X and Y (X - Y). Learn more. | DATE_DIFF(X, Y) |
| Date | DATE_FROM_UNIX_DATE | Interprets an integer as the number of days since 1970-01-01. Learn more. | DATE_FROM_UNIX_DATE(integer) |
| Date | DATETIME | Constructs a Date & Time field or value from numbers. Learn more. | DATETIME(year, month, day, hour, minute, second) |
| Date | DATETIME_ADD | Adds a specified time interval to a date. Learn more. | DATETIME_ADD(datetime_expression, INTERVAL integer part) |
| Date | DATETIME_DIFF | Returns the number of part boundaries between two dates. Learn more. | DATETIME_DIFF(date_expression, date_expression, part) |
| Date | DATETIME_SUB | Subtracts a specified time interval from a date. Learn more. | DATETIME_SUB(datetime_expression, INTERVAL integer part)
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| Date | DATETIME_TRUNC | Truncates a date to the specified granularity. Learn more. | DATETIME_TRUNC(date_expression, part) |
| Date | DAY | Returns the day of a Date or Date & Time. Learn more. | Day(date_expression) |
| Date | EXTRACT | Returns part of a Date or Date & Time. Learn more. | EXTRACT(part FROM date_expression) |
| Date | FORMAT_DATETIME | Returns a formatted date string. Learn more. | FORMAT_DATETIME(format_string, datetime_expression) |
| Date | HOUR | Returns the hour of a date and time. Learn more. | HOUR(datetime_expression) |
| Date | MINUTE | Returns the minutes component of a given date and time. Learn more. | MINUTE(datetime_expression) |
| Date | MONTH | Returns the month from a Date & Time value. Learn more. | MONTH(date_expression) |
| Date | PARSE_DATE | Converts text to a date. Learn more. | PARSE_DATE(format_string, text) |
| Date | PARSE_DATETIME | Converts text to a date with time. Learn more. | PARSE_DATETIME(format_string, text) |
| Date | QUARTER | Returns the quarter of the year for a given date. Learn more. | QUARTER(date_expression) |
| Date | SECOND | Returns the seconds component of a given date and time. Learn more. | SECOND(datetime_expression) |
| Date | TODATE | Returns a formatted compatibility mode Date. Learn more. | TODATE(X, Input Format, Output Format) |
| Date | TODAY | Returns the current date as of the specified or default timezone. Learn more. | TODAY([time_zone]) |
| Date | UNIX_DATE | Returns the number of days since 1970-01-01. Learn more. | UNIX_DATE(date_expression) |
| Date | WEEK | Returns the week number for a given date. Learn more. | WEEK(Date) |
| Date | WEEKDAY | Returns a number representing the day of the week for a given date. Learn more. | WEEKDAY(Date) |
| Date | YEAR | Returns the year of a given date. Learn more. | YEAR(Date) |
| Date | YEARWEEK | Returns the year and week number of a given date. Learn more. | YEARWEEK(Date) |
| Geo | TOCITY | Returns the city name for X. | TOCITY(X [,Input Format]) |
| Geo | TOCONTINENT | Returns the continent name for X. Learn more. | TOCONTINENT(X [,Input Format]) |
| Geo | TOCOUNTRY | Returns the country name for X. Learn more. | TOCOUNTRY(X [,Input Format]) |
| Geo | TOREGION | Returns the region name for X. Learn more. | TOREGION(X [,Input Format]) |
| Geo | TOSUBCONTINENT | Returns the sub-continent name for X. Learn more. | TOSUBCONTINENT(X [,Input Format]) |
| Miscellaneous | CAST | 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) |
| Miscellaneous | HYPERLINK | Returns a hyperlink to the URL, labeled with the link label. Learn more. | HYPERLINK(URL, link label) |
| Miscellaneous | IMAGE | Creates Image fields in your data source Learn more. | IMAGE(Image URL, [Alternative Text]) |
| Miscellaneous | NATIVE_DIMENSION | 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") |
| Text | CONCAT | Returns a text that is the concatenation of X and Y. Learn more. | CONCAT(X, Y) |
| Text | CONTAINS_TEXT | Returns true if X contains text, otherwise returns false. Case-sensitive. Learn more. | CONTAINS_TEXT(X, text) |
| Text | ENDS_WITH | Returns true if X ends with text, otherwise returns false. Case-sensitive. Learn more. | ENDS_WITH(X, text) |
| Text | LEFT_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) |
| Text | LENGTH | Returns the number of characters in X. Learn more. | LENGTH(X) |
| Text | LOWER | Converts X to lowercase. Learn more. | LOWER(X) |
| Text | REGEXP_CONTAINS | Returns true if X contains the regular expression pattern, otherwise returns false. Learn more. | REGEXP_CONTAINS(X, regular_expression) |
| Text | REGEXP_EXTRACT | Returns first matching substring in X which matches the regular expression pattern. Learn more. | REGEXP_EXTRACT(X, regular_expression) |
| Text | REGEXP_MATCH | Returns true if X matches the regular expression pattern, otherwise returns false. Learn more. | REGEXP_MATCH(X, regular_expression) |
| Text | REGEXP_REPLACE | 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) |
| Text | REPLACE | Returns a copy of X with all occurrences of Y in X replaced by Z. Learn more. | REPLACE(X, Y, Z) |
| Text | RIGHT_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) |
| Text | STARTS_WITH | Returns true if X starts with text. Otherwise, returns false. Case-sensitive. Learn more. | STARTS_WITH(X, text) |
| Text | SUBSTR | 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) |
| Text | TRIM | Returns X with leading and trailing spaces removed. Learn more. | TRIM(X) |
| Text | UPPER | Converts X to uppercase. Learn more. | UPPER(X) |
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