SUMPRODUCT function in Excel

Excel Tutorials for beginners, Intermediates and experts.

How to test a range for numbers in Excel

To test a range for numbers, you can use a formula based on the ISNUMBER and SUMPRODUCT functions. See example below: Formula =SUMPRODUCT(–ISNUMBER(range))>0 Explanation In the example shown, the formula in xxxx is: =SUMPRODUCT(–ISNUMBER(C5:C9))>0 How this formula works Working from the inside out, the ISNUMBER function will return TRUE when given a number and FALSE if… read more »

Check if multiple cells have same value with case sensitive in Excel

To verify that multiple cells have the same value with a case-sensitive formula, you can use a simple array formula based on the EXACT and AND functions. See example below: Formula {=AND(EXACT(range,value))} Explanation In the example shown, the formula in G5 is: =AND(EXACT(B5:F5,B5)) This is an array formula and must be entered with control +… read more »

Check if range contains a value not in another range in Excel

To test if a range contains any values (i.e. at least one value) not in another range, you can use the SUMPRODUCT function with MATCH and ISNA. The MATCH function receives a single lookup value, and returns a single match if any. In this case, however, we are giving MATCH an array for lookup value,… read more »

How to return TRUE when all cells in range are blank in Excel

To return TRUE when all cells in a range are blank or empty, you can use a formula based on SUMPRODUCT and a logical test that suits the use case. Formula =SUMPRODUCT(–(range<>””))=0 Explanation In the example shown, the formula in E5 is: =SUMPRODUCT(–(B5:D5<>””))=0 How this formula works Working from the inside out, this formula contains… read more »

How to count specific words in a range in Excel

To count how many times a specific a word (or any substring) appears inside a range of cells, you can use a formula based on the SUBSTITUTE, LEN, and SUMPRODUCT functions.  Formula =SUMPRODUCT((LEN(range)-LEN(SUBSTITUTE(range,text,””)))/LEN(text)) Explanation In the example shown, the formula in C11 is: =SUMPRODUCT((LEN(B5:B8)-LEN(SUBSTITUTE(B5:B8,C2,””)))/LEN(C2)) Note: The formula on this page counts instances of a word in a… read more »

How to count total characters in a range in Excel

If you want to count the total characters in a range of cells, you can do with a formula that uses LEN, along with the SUMPRODUCT function. Formula =SUMPRODUCT(LEN(rng)) Explanation In the example, the active cell contains this formula: =SUMPRODUCT(LEN(B3:B6)) Here’s how the formula works: SUMPRODUCT accepts the range B3:B6 as an array of four… read more »

How to count specific characters in a range in Excel

If you need to count specific characters in a range of cells, you can do so with a formula that uses LEN and SUBSTITUTE, along with the SUMPRODUCT function. Formula =SUMPRODUCT(LEN(range)-LEN(SUBSTITUTE(range,text,””))) Explanation In the example, the active cell contains this formula: =SUMPRODUCT(LEN(B3:B7)-LEN(SUBSTITUTE(B3:B7,”o”,””))) How the formula works For each cell in the range, SUBSTITUTE removes all… read more »

How to count total words in a range in Excel

If you want to count the total words in a range of cells, you can do with a formula that uses LEN and SUBSTITUTE, along with the SUMPRODUCT function. Formula =SUMPRODUCT(LEN(TRIM(range))-LEN(SUBSTITUTE(range,” “,””))+1) Note: The formula inside SUMPRODUCT will return 1 even if a cell is empty. If you need to guard against this problem, you can… read more »

Get work hours between dates custom schedule in Excel

To calculate work hours between two dates with a custom schedule, you can use a formula based on the WEEKDAY and SUMPRODUCT functions, with help from ROW, INDIRECT, and MID. Formula =SUMPRODUCT(MID(schedule,WEEKDAY(ROW(INDIRECT(start&”:”&end))),1) *ISNA(MATCH(ROW(INDIRECT(start&”:”&end)),holidays,0))) Explanation In the example shown, the formula in F8 is: =SUMPRODUCT(MID(D6,WEEKDAY(ROW(INDIRECT(B6&”:”&C6))),1) *ISNA(MATCH(ROW(INDIRECT(B6&”:”&C6)),holidays,0))) Which returns 36 hours, based on a custom schedule where… read more »

Two ways to sum time over 30 minutes in Excel

To sum the total amount of time over 30 minutes, given a set of times that represent duration, you can use the SUMPRODUCT and TIME functions. Alternatively, use SUMIFS and COUNTIFS functions. Formula =SUMPRODUCT((range-TIME(0,30,0))*(range>TIME(0,30,0))) Explanation  In the example shown, the formula in G5 is: =SUMPRODUCT((times-TIME(0,30,0))*(times>TIME(0,30,0))) where “times” is the named range C5:C14. How this formula works This formula… read more »

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