Calculators · free, no signup
Run the numbers.
Every calculator here works without an account, keeps your figures in the URL so a result is something you can paste to a friend, and never asks to connect a bank. They use the same maths Fuego runs on your own snapshots.
FI number calculator
The number that ends the job requirement — your annual spending, divided by a withdrawal rate you choose.
Open itCoast FIRE calculator
Find the moment you can stop contributing and still glide to financial independence on growth alone.
Open itMortgage payoff vs. invest calculator
Should the extra money go at the mortgage or into the market? See the breakeven return, not a verdict.
Open itSafe withdrawal rate calculator
Run your retirement against every market cycle since 1928 — success rate, the worst year to have started, and what would have to change.
Open it
Want the numbers to stick around?
A calculator answers a question once. Fuego keeps the answer and redraws it every quarter as your real balances change — free, and your data stays yours to export or delete whenever you like.
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