## Calculate interest for given period in Excel

To calculate the interest portion of a loan payment in a given period, you can use the IPMT function. Formula =IPMT(rate,period,periods,-loan) Explanation In the example shown, the formula in C10 is: =IPMT(C6/12,1,C8,-C5) How this formula works For this example, we want to calculate the interest portion for payment 1 of a 5-year loan of $5,000 …