# Sumifs formula problem

##### Board Regular
=SUMIFS('ITEMPO Events'!\$R\$2:R\$7998,'ITEMPO
Events'!\$L\$2:\$L\$7998,\$A20,'ITEMPO Events'!\$N\$2:\$N\$7998,">="&\$B20)

I am using the above formula to calculate days. If column N of my ITEMPO worksheet is blank, I want to use the value in column M (i.e. 'ITEMPO Events'!\$M\$2:\$M\$7998,">="&\$B20).

I tried using an IF statement, but I must be doing it wrong because it is not working.

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#### Domenic

##### MrExcel MVP
Try the following formula, which needs to be confirmed with CONTROL+SHIFT+ENTER, not just ENTER...

=SUM(IF('ITEMPO Events'!\$L\$2:\$L\$7998=\$A20,IF(IF('ITEMPO Events'!\$N\$2:\$N\$7998<>"",'ITEMPO Events'!\$N\$2:\$N\$7998,'ITEMPO Events'!\$M\$2:\$M\$7998)>=\$B20,'ITEMPO Events'!\$R\$2:R\$7998)))

##### Board Regular
Worked perfectly - thanks

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