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Shows the amount of each uniform deposit you must start making to collect a specified sum in the future.

"Sinking Fund is a factor by which uniform deposits must be contributed each period at a given rate of compound interest in order to have a specified sum available at some given future time period."


You want $10,000 available in 4 years to cover a scheduled roof expenditure. You decide to make a monthly deposit into a fund that pays 2.25% annual interest compounded monthly and want to know how much each deposit should be.

"This calculator assumes that each deposit will be made at the beginning of each month."

Sinking Fund

Solves the deposit required to collect a future lump sum.