Single Scenario
Monthly Contribution$600
Years6
Annual Return8%
Total Contributions$43,200
Future Value$55,215
Total Gain$12,015
How it’s calculated
Future value of an ordinary annuity, compounded monthly:
FV = P × [((1 + r/12)^(n) − 1) / (r/12)]
Where P is monthly contribution, r the annual rate, and n total months (years × 12). If r = 0, FV = P × n.
Tip: tweak the comma‑separated rates to compare scenarios (e.g., “3,5.5,7,9.5”).
| Monthly Contribution | Annual Return | Future Value | Total Contributions | Gain |
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