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Google Sheets LOOKUP Function

This post will guide you how to use Google Sheets LOOKUP function with syntax and examples.

Description

The Google Sheets LOOKUP function looks up a value through a sorted row or column and returns the corresponding value from another row or column.

The LOOKUP function can be used to lookup a value in a one-row or one-column range in google sheets.

The LOOKUP function is a build-in function in Google Sheets and it is categorized as a Lookup function.

Syntax

The syntax of the LOOKUP function is as below:

= LOOKUP (lookup_value, lookup_vector, [result_vector])

Where the LOOKUP function arguments are:

  • Lookup_value -This is a required argument. A value that you want to search in the lookup_vector.
  • Lookup_vector – This is a required argument. A Range that only contains one row or one column.
  • Result_vector – This is an optional argument. A Range that only contains one row or one column. It must be the same size as Lookup_vector. The lookup function will look up the value in the lookup_value range and returns the value from the same position in the result_vector.

Note:

  • If result_vector is omitted, the Lookup function will return the first column data.
  • LOOKUP function will only work If data in lookup_vector is sorted. And this function assumes that lookup_vector is sorted in ascending order.
  • When lookup_value is not found, LOOKUP function will return the next smallest value in the same row or column.
  • When lookup_value is greater than all values in lookup_vector, LOOKUP function will return the last value.
  • When lookup_value is less than the first value in lookup_vector, LOOKUP function will return the #N/A error.
  • Result_vector must be only a single row or column.

Google Sheets LOOKUP Function Examples

The below examples will show you how to use google sheets LOOKUP Function to search a value from a vector or array.

#1 To look up the value “34” in A1:A2 range, then get the value from the same row or column in B1:B2 range, just using the following google sheets formula:

=LOOKUP(34,A1:A2,B1:B2)

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