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Retirement Calculator

Free retirement calculator to calculate fire number. Instant results in your browser — no signup.

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Assessment

Score or classify a result against reference ranges.

Measurements

Enter values to score against reference ranges.

Results update when you click Calculate FIRE Number.

Assessment

Interpret the score, status, and range.

FIRE number

$1,375,000

StrengthOn the path
  • Progress23.3%
  • Gap remaining$1,055,000
  • Annual spending$55,000
  • Withdrawal rate4.0%

Monthly FIRE budget

$4,583

1375000.0

FIRE number

LowMidHigh
Balanced meals
30 min activity
Stay hydrated
7–8 hrs sleep

Screening only — not a medical diagnosis.

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What this result means

Free retirement calculator to calculate fire number. Instant results in your browser — no signup. FIRE number = Annual spending ÷ Withdrawal rate.

Assumptions

  • Rule dependency: Universal formula / market assumptions.
  • Optional fields use sensible defaults when left blank.

FIRE number

FIRE number = Annual spending ÷ Withdrawal rate.

Example

$55,000 spending at 4% → $1,375,000 FIRE number.

Frequently asked questions

What is the 4% rule?+

A planning heuristic from the Trinity study — not a guarantee. Many FIRE planners use 3–4% depending on horizon and flexibility.