Savings Calculator
Estimate how an initial balance plus monthly contributions grow over time.
Inputs
Result
Future value
$32,703.47
Contributions: $25,000.00 · Interest: $7,703.47
Visual breakdown
You contributed25,000(76%)
Interest earned7,703.5(24%)
Formula
FV = P(1+r/12)^(12t) + M·((1+r/12)^(12t) − 1)/(r/12). Monthly compounding assumed.
Example
$1,000 + $200/mo at 5% for 10y ≈ $32,776.
Frequently asked
When is the deposit added?
End of each month (ordinary annuity). Real banks vary slightly by posting date.
Inflation?
Not subtracted. Use a real (inflation-adjusted) rate to see purchasing power.
Taxes & fees?
Not included. Net growth depends on account type, fees and local taxes.
Related calculators
Estimates only — not financial advice. Real returns vary with rate changes, fees and taxes.