Choose the path you want: get a quick retirement answer here, or open the guided planner to build the full plan right away.
The quick-answer teaser needs no sign-up. The guided planner carries your numbers forward when you want the deeper build.
Use a few key numbers to get the first read on retirement viability. If the answer is close, shaky, or worth exploring, continue in the guided planner with your numbers carried over.
These sample numbers are ready to test. Use this teaser for the first answer, then continue in the guided planner if you want to pressure-test the decision more seriously.
This teaser gives you the fast answer first. The guided planner is where you keep working the case if the result deserves a deeper look.
Optional: add Social Security, filing status, and life expectancy if you want a better estimate before moving into the guided planner.
Changed these details? Run the quick answer again.
Income timing, taxes, assumptions, account routing, and portfolio setup all work better together in the guided planner.
See whether this answer is truly sturdy, what a bad market start would do, and where taxes or RMDs could force a different decision.
This is one straight-line projection using your current assumptions. Portfolio balances are shown at year-end, after that year's growth, income, spending, and withdrawals.
Do not make a retirement decision off one average-case answer.
This calculator is for the first answer. Fatboy Pro is for the real decision: stress-testing downside, finding tax landmines, comparing scenarios, and seeing what to change before you retire.
Built for DIY retirees who want a clearer answer before making a costly one-way decision.
One-time purchase · Full web planner + desktop app · License key emailed instantly
Buy when you are ready to move past the quick answer and pressure-test the retirement decision you are about to make in the guided planner.
If the free answer made you pause, that is usually the moment the free web planner or Pro becomes worth opening next.
Not financial advice, but a practical way to spot weak assumptions before you act on them.
Questions, bug reports, or feedback. Send a note and we will read it.