# (Excel examples for Beginners)

In this end-to-end excel example, you will learn – Excel formula for Beginners – How to Average pay per week in Excel.

### Generic formula

`=SUMPRODUCT(hours*rate)/COUNTIF(hours,">0")`

### Explanation

To calculate average pay per week, excluding weeks where no hours were logged, and without total pay per week already calculated, you can use a formula based on the SUMPRODUCT and COUNTIF functions. In the example shown, the formula in J5 is:

`=SUMPRODUCT(D5:I5*D6:I6)/COUNTIF(D5:I5,">0")`

which returns the average pay per week, excluding weeks where no hours were logged. This is an array formula, but it is not necessary to enter with control + shift + enter because the SUMPRODUCT function can natively handle most array operations.

### How this formula works

You might first think this problem can be solved with the AVERAGEIF or AVERAGEIFS function. However, because total pay per week is not part of the worksheet, we can’t use these functions because they require a range.

Working from the inside out, we first calculate total pay for all weeks:

`D5:I5*D6:I6 // total pay for all weeks`

This is array operation that multiplies hours by rates to calculate weekly pay amounts. The result is an array like this:

`{87,63,48,0,12,0} // weekly pay amounts`

Since there are 6 weeks in the worksheet, the array contains 6 values. This array is returned directly to SUMPRODUCT function:

`SUMPRODUCT({348,252,192,0,48,0})`

The SUMPRODUCT function then returns the sum of items in the array, 840. At this point, we have:

`=840/COUNTIF(D5:I5,">0")`

Next, the COUNTIF function returns a count of values greater than zero in the range D5:I5. Since 2 of the 6 values are blank, and Excel evaluates blank cells as zero, COUNTIF returns 4.

```=840/4
=210```

The final result is 840 divided by 4, which equals 210

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