## Two-dimensional lookup using two tables

The following formula performs a two-way lookup in two different tables.

**Formula in cell D20:**

If the value is not found in table 1 the formula continues to table 2. If nothing is found in table 2 as well the formula returns #N/A.

The formula does not return multiple values from different tables, in that case, check out this User defined Function:

Two-way lookup using multiple tables [UDF]

This article describes a User Defined Function that lookups values in multiple cross reference tables based on two conditions. A [โฆ]

Two-way lookup using multiple tables [UDF]

**Formula in cell D21:**

The formula above checks if the value is found in table 1 or table 2.

### Explaining formula in cell D20

*Step 1 - Find relative position of y value in table 1*

The MATCH function looks for number 8 in the vertical cell range B4:B8.

MATCH(C19,B4:B8,0)

becomes

MATCH(8,{1;3;5;7;9},0)

and returns #N/A. The value is not found.

####
*Step 2 - Find relative position of x value **in table 1*

The second MATCH function looks for "F" in the horizontal cell range C3:G3.

MATCH(C18,C3:G3,0)

becomes

MATCH("F",{"A","C","E","G","I"},0)

and returns #N/A. The value is not found.

####
*Step 3 - Get value based on coordinates **in table 1*

INDEX(C4:G8,MATCH(C19,B4:B8,0),MATCH(C18,C3:G3,0))

becomes

INDEX(C4:G8,#N/A,#N/A)

and returns #N/A. The value is not found in the first table.

*Step 4 - IF error continue to table 2 and repeat*

=IFERROR(INDEX(C4:G8, MATCH(C19, B4:B8, 0), MATCH(C18, C3:G3, 0)), INDEX(C12:G16, MATCH(C19, B12:B16, 0), MATCH(C18, C11:G11, 0)))

becomes

=IFERROR(#N/A,INDEX(C12:G16,MATCH(C19,B12:B16,0),MATCH(C18,C11:G11,0)))

becomes

=IFERROR(#N/A,INDEX(C12:G16,4,3))

becomes

=IFERROR(#N/A,656)

and returns 656 in cell D20.

### Multiple tables

It is possible to use more than two tables, simply use this template:

The formula would then be:

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