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 yesterday
Giffyguy
38761532
add a comment |Â
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 yesterday
Giffyguy
38761532
add a comment |Â
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 yesterday
Giffyguy
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 yesterday
Giffyguy
38761532
asked yesterday
Giffyguy
38761532
asked yesterday
Giffyguy
38761532
asked yesterday
Giffyguy
38761532
asked yesterday
Giffyguy
38761532
38761532
add a comment |Â
add a comment |Â
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 yesterday
fixer1234
17.7k144581
add a comment |Â
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 yesterday
Brian
462
add a comment |Â
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 yesterday
fixer1234
17.7k144581
add a comment |Â
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 yesterday
fixer1234
17.7k144581
add a comment |Â
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 yesterday
fixer1234
17.7k144581
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 yesterday
fixer1234
17.7k144581
answered yesterday
fixer1234
17.7k144581
answered yesterday
fixer1234
17.7k144581
answered yesterday
fixer1234
17.7k144581
17.7k144581
add a comment |Â
add a comment |Â
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 yesterday
Brian
462
add a comment |Â
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 yesterday
Brian
462
add a comment |Â
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 yesterday
Brian
462
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 yesterday
Brian
462
answered yesterday
Brian
462
answered yesterday
Brian
462
answered yesterday
Brian
462
462
add a comment |Â
add a comment |Â
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