summing workhours of weeks

Sorttaaja2

New Member
Joined
Jan 23, 2018
Messages
14
How to count together all numbers from rows under column b that have same number in column a? (like 20 would be 1+4+2= and 25 3+6+7= ) List is long and would be nice to do this automatically.


a=week nr , b=work hours


a,b
--
20,1
20,4
20,2
23,3
24,3
25,3
25,6
25,7


thankyou!
 

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Hi, sounds like you want SUMIFS() - for example:


Excel 2013/2016
ABCDE
1WEEK NRHOURSWEEK NRTOTAL HOURS
2201207
3204233
4202243
52332516
6243
7253
8256
9257
Sheet1
Cell Formulas
RangeFormula
E2=SUMIFS(B:B,A:A,D2)
 
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