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Annuity Future Value Calculator — result sheet
Estimate the future value of equal periodic deposits under a constant periodic interest rate.
Inputs used
Results
Visual chart
Breakdown
Calculation steps
Returned data table
Formula and methodology
Formula: Ordinary-annuity FV = P((1+r)^n−1)/r; annuity-due multiplies by (1+r).
The periodic rate and number of deposits are derived before the timing choice adjusts the future value.
This result follows the calculator's declared inputs, precision, validation boundaries, and model limits.
Input contract
- Periodic deposit — currency; minimum 0; maximum 1000000000
- Annual interest rate — %; minimum -99.999999; maximum 1000
- Periods per year — minimum 1; maximum 366
- Years — years; minimum 0; maximum 1000
- Deposit timing — 2 choices
Worked example
| Input | Value |
|---|---|
| Periodic deposit | 200 |
| Annual interest rate | 6 |
| Periods per year | 12 |
| Years | 10 |
| Deposit timing | end |
Future value is approximately 32,776 currency units.
Assumptions and limits
- Deposits are equal, the periodic rate is constant, and rates below −100% are rejected by the field bounds.
- No fees, taxes, withdrawals, skipped deposits, or contribution limits are included.
- The stated timing is applied consistently for every deposit.
Calculator note
Source and methodology
Use the official WorldCalculate methodology policy for the source, formula, precision, and boundary standards behind this calculator.
Planning estimate, not financial, medical, legal, or professional advice. © WorldCalculate — reuse with attribution. Built and curated by Hassan ALRowaie.
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