The Calculator

Run your projection

Defaults are tuned to a typical New York teacher’s 403(b) supplement. Adjust to your situation.

$
Starting balance in your 403(b) or IRA
$
500 = $6000/yr · ~3% of $50k salary
%
yrs
%
Mirrors NY salary step schedule
%
NYC inflation typically runs 3.5–4%
%
NY brackets 4–10.9% · NYC adds 3–3.876%
Your Projection

Here’s what 25 years could look like

New York Reality: Combined NY state and NYC city taxes can exceed 14%. Pre-tax 403(b) contributions are unusually powerful — every pre-tax dollar saves both federal AND state/city taxes immediately.
Total Portfolio Value
Nominal future value at year
Total Principal
Out-of-pocket contributions over the period
Real Purchasing Power
Inflation-adjusted · what your money buys in today’s dollars
Compound Gain
Effective Rate
Doubles In
Total Interest

Portfolio growth, year by year

Principal versus compound interest accumulation by year.

Year-by-year breakdown

Milestone years (5, 10, 15, 20, 25, 30) highlighted.

YearMonthlyDepositedPortfolioCompound GainReal Value