Let's say the loans are in B2:B20 and the percentages in C2:C20
Use =SUMPRODUCT(B2:B2,C2:C20)/SUM(B2:B20)
best wishes
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www.stfx.ca/people/bliengme


"ash" wrote:

I need your help to calculate the weighted average for the loans expenses
(transfer pricing).
Sample:
# Of month outstanding loans TP rate
1 100,000 1.50%
2 98,000 1.54%
3 97,000 1.60%
.....

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ash