Estimate based on your assumptions
Retirement & FIRE
Estimate retirement savings, any shortfall, FIRE age, and Coast FIRE progress.
Finance Sparrow calculation report
Retirement & FIRE
Model retirement-lifecycle-2.0.0 · USD display unit (no conversion)
Deterministic planning result from the assumptions and exact tables shown below. This is not financial advice or a prediction. Tax, regulation, and market uncertainty may be omitted.
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Projection, not prediction.
Finance Sparrow applies the assumptions you enter consistently over the selected period. Real-world returns, inflation, fees and cash flows vary. Use scenarios and sensitivity—not a single headline number—to understand the range of outcomes.