🔥 Pursuing FIRE?
Calculate your FI number, model coast FIRE vs lean FIRE vs fat FIRE, optimize Roth conversion ladders.
- FIRE number calculator
- Roth conversion ladder planning
- Geographic arbitrage modeling
Spreadsheets are overwhelming. Financial advisors are expensive. Online calculators give you generic answers that don't account for your actual life.
You need a clear answer to "when can I retire?" — based on your real finances, not assumptions.
Get your Financial Independence date based on your real accounts, income, and expenses. Then test any "what if" scenario to make decisions with confidence.
Link your bank accounts or just type: "I make $95k, have $120k saved"
See exactly when you can afford to retire based on your numbers
Early retirement? Career change? See the 30-year impact instantly
Built by people who were tired of spreadsheets and expensive advisors. We needed a straight answer to "when can I retire?" — so we built it.
Calculate your FI number, model coast FIRE vs lean FIRE vs fat FIRE, optimize Roth conversion ladders.
Model Social Security timing, pension integration, Medicare costs, and RMDs.
Career changes, starting a family, buying property — see how decisions ripple through your future.
Monte Carlo gives you probability ranges ("70% chance of success"). For real life planning, you need to model specific high-impact events — "What if there's a 50% crash in Year 3?" or "What if inflation spikes to 8%?" — and build concrete contingency plans. Our deterministic engine gives you actionable conviction, not probability fog.
100% data sovereignty — everything stays in your browser's local storage. Your financial data never touches our servers. You own and control your data completely.
Yes, completely free. FinP4l is a public benefit project — no ads, no premium tiers, no selling data.
Yes! FinP4l calculates your FI number based on expenses and shows when you'll reach it.