A first answer, no account needed.
Pick the starting point closest to you, drag the sliders, and see the chance your money lasts. It’s a simplified simulation — honest about what it skips — and it never asks who you are.
On track. A 74% chance your money lasts to age 92, with about $1.4M saved by age 60.
A quick, simplified simulation — 300 possible futures from $160K saved today, ~5% growth after inflation. Your real plan adds taxes, Social Security, real market history, and your partner.
Start your free planGo deeper, still free
Single-question calculators — no account, everything in today’s dollars, each paired with a plain-English guide to the idea behind it.
Coast FIRE calculator
How much you need invested today so compounding alone finishes the job — and the age you could stop saving.
FIRE number calculator
The portfolio that supports your retirement spending, at the withdrawal rate you choose — and how far along you are.
4% rule calculator
What a portfolio supports per year and per month under Bengen's rule, at any rate from 3–5%.