Sinking Fund Calculator
Calculate sinking fund — annuity payment, lump sum, and total paid.
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Annual Payment
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Lump Sum (PV)
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Total Paid
Recent Calculations
What Is Sinking Fund?
Sinking Fund computes annual annuity payment, equivalent lump sum present value, and total payments.
Formula
PMT = PV × r / (1 − (1+r)^(−n)), PV = PMT × (1 − (1+r)^(−n)) / rFrequently Asked Questions
Lump sum vs annuity?
Lump sum is the present value. Taking it gives you cash now; annuity spreads payments over time.