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Beginning-period uniform present worth calculator

Beginning-period uniform present worth is calculated as A × [1−(1+i)^(-n)] × (1+i)/i. Use the stated system boundary and matching input units.

Pdue=A×[1−(1+i)−n]×(1+i)iP_{\text{due}} = \frac{A \times \left[1 - \left(1 + i\right)^{-n}\right] \times \left(1 + i\right)}{i}

Calculator

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

$/year
—
year
$

Worked example

Given

  • AA = 10,000 $/year
  • ii = 0.07 —
  • nn = 10 year
Pdue=10,000×[1−(1+0.07)−10]×(1+0.07)0.07≈75,152P_{\text{due}} = \frac{10{,}000 \times \left[1 - \left(1 + 0.07\right)^{-10}\right] \times \left(1 + 0.07\right)}{0.07} \approx 75{,}152

Symbols and units

SymbolMeaningUnit
PdueP_{\text{due}}beginning-period uniform present worth$
AAequal beginning-period cash amount$/year
iidiscount rate—
nnnumber of paymentsyear

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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.