Say I have the text, "There was no fire alarm. There were no sprinklers or fire escapes. And when a band member tried to put out a fire that had been started by pyrotechnics, the extinguisher didn't work." in cell A1 and need to calculate the average sentence length for that cell. I tried =AVERAGE(LEN(A2)-LEN(SUBSTITUTE(A2," ",""))+1) but it returned "33", not 11.