ClueLuma

Uniform series A/F calculator

Find equal end-of-period deposits that will accumulate to a specified future requirement.

A=F×i(1+i)n−1A = \frac{F \times i}{\left(1 + i\right)^{n} - 1}

Calculator

Enter the values you know and leave one box empty. Calculate finds the empty one, the result or any input.

$
decimal
periods
$/period

Worked example

Given

  • FF = 100 $
  • ii = 0.08 decimal
  • nn = 10 periods
A=100×0.08(1+0.08)10−1≈6.903A = \frac{100 \times 0.08}{\left(1 + 0.08\right)^{10} - 1} \approx 6.903

Symbols and units

SymbolMeaningUnit
AAequal end-of-period payment$/period
FFfuture sum$
iidiscount rate per perioddecimal
nnnumber of periodsperiods

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Results are estimates for study and screening. Check the inputs, units and assumptions before you use them for design, billing or contract decisions.