PPMT function

This article describes the formula syntax and usage of the PPMT function in Microsoft Excel.


Returns the payment on the principal for a given period for an investment based on periodic, constant payments and a constant interest rate.


PPMT(rate, per, nper, pv, [fv], [type])

Note: For a more complete description of the arguments in PPMT, see PV.

The PPMT function syntax has the following arguments:

  • Rate    Required. The interest rate per period.

  • Per    Required. Specifies the period and must be in the range 1 to nper.

  • Nper    Required. The total number of payment periods in an annuity.

  • Pv    Required. The present value — the total amount that a series of future payments is worth now.

  • Fv    Optional. The future value, or a cash balance you want to attain after the last payment is made. If fv is omitted, it is assumed to be 0 (zero), that is, the future value of a loan is 0.

  • Type    Optional. The number 0 or 1 and indicates when payments are due.

Set type equal to

If payments are due

0 or omitted

At the end of the period


At the beginning of the period


Make sure that you are consistent about the units you use for specifying rate and nper. If you make monthly payments on a four-year loan at 12 percent annual interest, use 12%/12 for rate and 4*12 for nper. If you make annual payments on the same loan, use 12% for rate and 4 for nper.


Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter. If you need to, you can adjust the column widths to see all the data.


Argument description


Annual interest rate


Number of years for the loan


Amount of loan




=PPMT(A2/12, 1, A3*12, A4)

Principal payment for month 1 of the loan



Argument description


Annual interest rate


Number of years for the loan


Amount of loan


Description (Result)

Live Result

=PPMT(A11, A12, 10, A13)

Principal payment for year 10 of the loan


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