Excel: How do I compute a compound product & sum of two columns?
I have two columns of numbers.
I need to write a formula to multiply the two columns together, and then add all of the products together.
In this case: (16*1) + (6*0) + (4*0) + (4*0) + (4*0) + (2*0) = 16
Normally I would just make a third column to hold the products, and then sum those.
But this table is huge, and I would have to add way too many columns for that approach to be practical.
microsoft-excel worksheet-function microsoft-excel-2016
asked Dec 26 '18 at 19:01
GiffyguyGiffyguy
38761532
add a comment |
I have two columns of numbers.
I need to write a formula to multiply the two columns together, and then add all of the products together.
In this case: (16*1) + (6*0) + (4*0) + (4*0) + (4*0) + (2*0) = 16
Normally I would just make a third column to hold the products, and then sum those.
But this table is huge, and I would have to add way too many columns for that approach to be practical.
microsoft-excel worksheet-function microsoft-excel-2016
asked Dec 26 '18 at 19:01
GiffyguyGiffyguy
38761532
add a comment |
I have two columns of numbers.
I need to write a formula to multiply the two columns together, and then add all of the products together.
In this case: (16*1) + (6*0) + (4*0) + (4*0) + (4*0) + (2*0) = 16
Normally I would just make a third column to hold the products, and then sum those.
But this table is huge, and I would have to add way too many columns for that approach to be practical.
microsoft-excel worksheet-function microsoft-excel-2016
asked Dec 26 '18 at 19:01
GiffyguyGiffyguy
38761532
I have two columns of numbers.
I need to write a formula to multiply the two columns together, and then add all of the products together.
In this case: (16*1) + (6*0) + (4*0) + (4*0) + (4*0) + (2*0) = 16
Normally I would just make a third column to hold the products, and then sum those.
But this table is huge, and I would have to add way too many columns for that approach to be practical.
microsoft-excel worksheet-function microsoft-excel-2016
microsoft-excel worksheet-function microsoft-excel-2016
asked Dec 26 '18 at 19:01
GiffyguyGiffyguy
38761532
asked Dec 26 '18 at 19:01
GiffyguyGiffyguy
38761532
asked Dec 26 '18 at 19:01
GiffyguyGiffyguy
38761532
asked Dec 26 '18 at 19:01
GiffyguyGiffyguy
38761532
asked Dec 26 '18 at 19:01
GiffyguyGiffyguy
38761532
38761532
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
You can do that directly with SUMPRODUCT, which does exactly the calculation in the question:
=SUMPRODUCT(A1:A6,B1:B6)
SUMPRODUCT can also be used with two-dimensional arrays, and more than two columns to be multiplied and then added. See Microsoft Office Support
answered Dec 27 '18 at 0:35
fixer1234fixer1234
18k144681
add a comment |
use an array function.
=SUM(A:A*B:B)
and press Ctrl+Shift+Enter to finish your formula. It will end up looking like this:
={SUM(A:A*B:B)}
from:
https://support.office.com/en-us/article/create-an-array-formula-e43e12e0-afc6-4a12-bc7f-48361075954d
answered Dec 27 '18 at 0:23
BrianBrian
1445
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
You can do that directly with SUMPRODUCT, which does exactly the calculation in the question:
=SUMPRODUCT(A1:A6,B1:B6)
SUMPRODUCT can also be used with two-dimensional arrays, and more than two columns to be multiplied and then added. See Microsoft Office Support
answered Dec 27 '18 at 0:35
fixer1234fixer1234
18k144681
add a comment |
You can do that directly with SUMPRODUCT, which does exactly the calculation in the question:
=SUMPRODUCT(A1:A6,B1:B6)
SUMPRODUCT can also be used with two-dimensional arrays, and more than two columns to be multiplied and then added. See Microsoft Office Support
answered Dec 27 '18 at 0:35
fixer1234fixer1234
18k144681
add a comment |
You can do that directly with SUMPRODUCT, which does exactly the calculation in the question:
=SUMPRODUCT(A1:A6,B1:B6)
SUMPRODUCT can also be used with two-dimensional arrays, and more than two columns to be multiplied and then added. See Microsoft Office Support
answered Dec 27 '18 at 0:35
fixer1234fixer1234
18k144681
You can do that directly with SUMPRODUCT, which does exactly the calculation in the question:
=SUMPRODUCT(A1:A6,B1:B6)
SUMPRODUCT can also be used with two-dimensional arrays, and more than two columns to be multiplied and then added. See Microsoft Office Support
answered Dec 27 '18 at 0:35
fixer1234fixer1234
18k144681
answered Dec 27 '18 at 0:35
fixer1234fixer1234
18k144681
answered Dec 27 '18 at 0:35
fixer1234fixer1234
18k144681
answered Dec 27 '18 at 0:35
fixer1234fixer1234
18k144681
18k144681
add a comment |
add a comment |
use an array function.
=SUM(A:A*B:B)
and press Ctrl+Shift+Enter to finish your formula. It will end up looking like this:
={SUM(A:A*B:B)}
from:
https://support.office.com/en-us/article/create-an-array-formula-e43e12e0-afc6-4a12-bc7f-48361075954d
answered Dec 27 '18 at 0:23
BrianBrian
1445
add a comment |
use an array function.
=SUM(A:A*B:B)
and press Ctrl+Shift+Enter to finish your formula. It will end up looking like this:
={SUM(A:A*B:B)}
from:
https://support.office.com/en-us/article/create-an-array-formula-e43e12e0-afc6-4a12-bc7f-48361075954d
answered Dec 27 '18 at 0:23
BrianBrian
1445
add a comment |
use an array function.
=SUM(A:A*B:B)
and press Ctrl+Shift+Enter to finish your formula. It will end up looking like this:
={SUM(A:A*B:B)}
from:
https://support.office.com/en-us/article/create-an-array-formula-e43e12e0-afc6-4a12-bc7f-48361075954d
answered Dec 27 '18 at 0:23
BrianBrian
1445
use an array function.
=SUM(A:A*B:B)
and press Ctrl+Shift+Enter to finish your formula. It will end up looking like this:
={SUM(A:A*B:B)}
from:
https://support.office.com/en-us/article/create-an-array-formula-e43e12e0-afc6-4a12-bc7f-48361075954d
answered Dec 27 '18 at 0:23
BrianBrian
1445
answered Dec 27 '18 at 0:23
BrianBrian
1445
answered Dec 27 '18 at 0:23
BrianBrian
1445
answered Dec 27 '18 at 0:23
BrianBrian
1445
1445
add a comment |
add a comment |
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