Count numbers that begin with a specific number in Excel
To count number of cells containing numbers that begin with a specific number(s) in Excel, you can apply the combination of the SUMPRODUCT and LEFT functions to get it done.
How to count numbers that begin with a specific number in Excel?
As the below screenshot shown, there is a number list in column B, and you want to count the total numbers that begin with number “39”, in this case, the following formula can do you a favor.
Generic Formula
=SUMPRODUCT(--(LEFT(range,n)="number"))
Arguments
How to use this formula?
1. Select a blank cell to place the result.
2. Enter the below formula into it and press the Enter key to get the result.
=SUMPRODUCT(--(LEFT(B3:B11,2)="39"))
Note: In the formula, B3:B11 is the column range contains the numbers you will count, 39 is the given number you will count numbers based on, the number 2 represents the number of characters which to be counted. You can change them as you need.
How this formula works?
=SUMPRODUCT(--(LEFT(B3:B11,2)="39"))
- LEFT(B3:B11,2): The LEFT function extracts the first two digits from the left side of numbers in range B3:B11 and returns an array like this: {"39";"49";"25";"39";"49";"58";"39";"49";"39"}="39".
- {"39";"49";"25";"39";"49";"58";"39";"49";"39"}="39": Here compare each number in the array with “39”, if match, returns TRUE, otherwise, returns FALSE. You will get an array as {TRUE;FALSE;FALSE;TRUE;FALSE;FALSE;TRUE;FALSE;TRUE}
- --({TRUE;FALSE;FALSE;TRUE;FALSE;FALSE;TRUE;FALSE;TRUE}): These two minus signs convert “TRUE” into 1 and “FALSE” into 0. Here you will get a new array as {1;0;0;1;0;0;1;0;1}.
- =SUMPRODUCT{1;0;0;1;0;0;1;0;1}: The SUMPRODUCT function sums all numbers in the array and returns the final result as 4.
Related functions
Excel SUMPRODUCT function
The Excel SUMPRODUCT function can be used to multiply two or more columns or arrays together, and then get the sum of products.
Excel LEFT function
The Excel LEFT function extracts the given number of characters from the left side of a supplied string.
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