Retirement Math.

Project the portfolio from today through age 90 in today's purchasing power. Returns, withdrawals, spending, and benefits are inflation-adjusted so you can compare every number on the same scale.

All amounts shown in today's dollars

assumptions
$
$
%
%
$
withdrawal projection

Portfolio grows at the real (inflation-adjusted) return until retirement. Withdrawals start at rate × balance, then rise with inflation each year so purchasing power stays flat. Chart and totals are in today's dollars.

2%4%6%8%
social security

Two benefit streams with independent claiming ages. Enter benefits in today's dollars. Once payments start, they keep pace with inflation.

You
$ / mo
Spouse
$ / mo

Early claiming reduces the benefit. Waiting until 70 adds delayed retirement credits. Pull estimates from ssa.gov/myaccount.

taxes

Roth withdrawals are tax-free. Only the Traditional IRA share of portfolio withdrawals is taxed, plus the taxable portion of Social Security.

0% Roth50/50100% Roth
0%25%50%75%100%
0%15%25%40%
Monthly
Annual