Calculates the interest paid during a specific period of an investment. This function is provided for compatibility with Lotus 1-2-3.

Syntax

ISPMT(rate,per,nper,pv)

Rate is the interest rate for the investment.

Per is the period for which you want to find the interest, and must be between 1 and nper.

Nper is the total number of payment periods for the investment.

Pv is the present value of the investment. For a loan, pv is the loan amount.

Remarks

Example

The example may be easier to understand if you copy it to a blank worksheet.

How to copy an example

  1. Create a blank workbook or worksheet.
  2. Select the example in the Help topic.

    Note Do not select the row or column headers.

    selecting an example from helpSelecting an example from Help

  3. Press CTRL+C.
  4. In the worksheet, select cell A1, and press CTRL+V.
  5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.
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A B
Data Description
10% Annual interest rate
1 Period
3 Number of years in the investment
8000000 Amount of loan
Formula Description (Result)
=ISPMT(A2/12,A3,A4*12,A5) Interest paid for the first monthly payment of a loan with the above terms (-64814.8)
=ISPMT(A2,1,A4,A5) Interest paid in the first year of a loan with the above terms (-533333)

Note The interest rate is divided by 12 to get a monthly rate. The number of years the money is paid out is multiplied by 12 to get the number of payments.

See also: