## Count unique distinct records

The image above shows a table with 3 columns containing random data. It is quite complicated trying to manually count unique distinct records from this table but Excel can do that for us. A record is an entire row in the table above.

Example, Row 3 has a duplicate in row 9. Row 4 has a duplicate in row 6. Row 5 has a duplicate in row 8. Row 7 is unique meaning there is only one instance of that record in the table. It is also possible to highlight unique distinct records using conditional formatting.

**Formula in cell B12:**

#### Watch a video where I explain the formula

We can verify the count above in cell B12 by extracting all unique distinct records from the above table. I am using a formula from this blog article:

Filter unique distinct row records

### Explaining formula in cell B12

=SUMPRODUCT(1/COUNTIFS(C3:C9,C3:C9,D3:D9,D3:D9,E3:E9,E3:E9))

**Step 1 - Count each record in data set**

COUNTIFS(C3:C9,C3:C9,D3:D9,D3:D9,E3:E9,E3:E9) counts the number of times all criteria match on each row

Example,

The first record is Bike, 1, Color: Blue. The only rows where these criteria match is the first one and last. So the first number in the returning array is 2.

I have entered =COUNTIFS(C3:C9,C3:C9,D3:D9,D3:D9,E3:E9,E3:E9) in column E.

COUNTIFS(C3:C9,C3:C9,D3:D9,D3:D9,E3:E9,E3:E9) returns {2;2;2;2;1;2;2}

**Step 2 - Divide 1 with array**

Why divide 1 with array? If there are two instances of a value the sum returns 1 (0.5 + 0.5 = 1), three instances returns 1 (1/3 + 1/3 + 1/3 = 1) and so on. This lets you count all instances of a value as one.

1/COUNTIFS(C3:C9,C3:C9,D3:D9,D3:D9,E3:E9,E3:E9)

becomes

1/{2;2;2;2;1;2;2}

and returns {0.5;0.5;0.5;0.5;1;0.5;0.5}

**Step 3 - Sum values in array**

The SUMPRODUCT function lets you sum values, in this case, without entering it as an array formula.

SUMPRODUCT(1/COUNTIFS(C3:C9,C3:C9,D3:D9,D3:D9,E3:E9,E3:E9))

becomes

SUMPRODUCT({0.5;0.5;0.5;0.5;1;0.5;0.5})

and returns 4 in cell range B12

**Count records with possible blank rows in data set**

Array formula in cell A28:

To enter an array formula, type the formula in a cell then press and hold CTRL + SHIFT simultaneously, now press Enter once. Release all keys.

The formula bar now shows the formula with a beginning and ending curly bracket telling you that you entered the formula successfully. Don't enter the curly brackets yourself.

**Count blank rows/records **

Formula in B28:

### One Response to “Count unique distinct records”

### Leave a Reply

### How to comment

**How to add a formula to your comment**

<code>Insert your formula here.</code>

**Convert less than and larger than signs**

Use html character entities instead of less than and larger than signs.

< becomes < and > becomes >

**How to add VBA code to your comment**

[vb 1="vbnet" language=","]

Put your VBA code here.

[/vb]

**How to add a picture to your comment:**

Upload picture to postimage.org or imgur

Paste image link to your comment.

**Contact Oscar**

You can contact me through this contact form

Respected Sir

i like to count p+p+p+p+p=5 . i write 'p' in five colum & total numeric 5 autometicaly in sixth colum how i do it.