The FIRE calculator that doesn't suck
Fast, private, no-signup financial independence calculators with real Monte Carlo simulations. Everything runs in your browser.
FIRE Calculator
Calculate your Financial Independence number and how long until you can retire early.
Coast FIRE
Find out how much you need saved now to stop contributing and still retire on time.
Monte Carlo Simulation
Run 1,000+ randomized scenarios using real market history to stress-test your plan.
FIRE Variants
Compare Lean, Regular, Fat, and Barista FIRE numbers side-by-side to see which you can reach first.
Historical Backtesting
Test your retirement plan against every historical market cycle from 1928 to today.
Compare Scenarios
Compare up to 3 FIRE scenarios side-by-side to see how different assumptions change your timeline.
No Signup
Use instantly. No account needed.
100% Private
All math runs in your browser. Zero tracking.
Shareable
Copy your URL to share any scenario.