What-If Calculator · Real Scenarios

Find Yourself
In Someone Else’s Numbers.

Blank calculators are intimidating—start with the calculator below, or scroll down to pick a profile that preloads real numbers. Adjust every field to match your situation. Each persona card links to one full scenario page (story and lifecycle chart). Based on real FIRE community profiles.

Alex, 34 — Tech

Burned out at a $180k tech job with $380k already invested. Wants to know if taking a $90k role means falling behind — or if the portfolio will carry the rest.

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Coast FIRE
Alex, 34 — Tech
Burned out at $180k job. $380k saved. Wants to downshift to $90k role without guilt.
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Barista FIRE
Morgan, 41 — Teacher
$68k income, $190k saved, two kids. Wants to know if part-time is ever possible.
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Regular FIRE
Jordan & Sam, 36 — Dual Income
Combined $240k, $520k saved, no kids. Classic FIRE math — how many years left?
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Lean FIRE
Casey, 29 — Frugal Optimizer
$82k income, $95k saved, lives cheap. 67% savings rate. When does the curve bend?
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Late Start
Robin, 48 — Late Starter
$155k income, only $120k saved. Started late. Is FIRE still on the table before 65?
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Fat FIRE
Taylor, 42 — High Earner
$420k combined, $1.4M saved, 3 kids. Wants $120k/yr in retirement. How close?
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