# Excel PPMT Function

The Excel PPMT function can be used to calculate the principal portion of a given loan payment. For example, you can use PPMT to get the principal amount of a payment for the first period, the last period, or any period in between.

**rate**- The interest rate per period.**per**- The payment period of interest.**nper**- The total number of payments for the loan.**pv**- The present value, or total value of all payments now.**fv**- [optional] The cash balance desired after last payment is made. Defaults to 0.**type**- [optional] When payments are due. 0 = end of period. 1 = beginning of period. Default is 0.

The Excel PPMT function is used to calculate the principal portion of a given loan payment. For example, you can use PPMT to get the principal amount of a payment for the first period, the last period, or any period in between. The period of interest is provided with the **per** argument, which must be an number between 1 and the total number of payments (**nper**).

Notes:

- Be consistent with inputs for rate. For example, for 5-year loan with 4.5% annual interest, enter the rate as 4.5%/12.
- By convention, the loan value (pv) is entered as a negative value.

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