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Sinking Fund Calculator

$
% annual

Result

Calculated result 7950.4574965457 Based on the values entered.
↗ Finance

Sinking Fund Payment Calculate sinking fund payment needed to repay debt. Formula: Payment = FV / [(1+r)^n - 1] / r. — free online calculator.

Formula

Sinking Fund Payment = FV / [((1+r)^n - 1) / r]
  • Sinking Fund Calculator calculates its result from Future Value to Accumulate ($), Interest Rate (% annual), Number of Payments. It uses the formula Sinking Fund Payment = FV / [((1+r)^n - 1) / r]. Change any input to recalculate the result instantly.
  • The main inputs are Future Value to Accumulate, Interest Rate, Number of Payments. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Sinking Fund

Inputs
  • Future Value to Accumulate: 100000 $
  • Interest Rate: 5 % annual
  • Number of Payments: 10

Using Future Value to Accumulate ($) = 100000, Interest Rate (% annual) = 5, Number of Payments = 10, the calculated result is 7950.4574965457.

Sample result: Calculating…

Frequently asked questions

What does the Sinking Fund calculate?

Sinking Fund Payment Calculate sinking fund payment needed to repay debt. Formula: Payment = FV / [(1+r)^n - 1] / r. — free online calculator.

Which values should I enter?

Enter Future Value to Accumulate, Interest Rate, Number of Payments using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Sinking Fund Payment = FV / [((1+r)^n - 1) / r].

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026