Free financial calculator

FIRE Number Calculator

Estimate the portfolio needed to support your desired annual spending.

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Adjust the assumptions

FIRE Number Calculator

Estimate the portfolio needed to support your desired annual spending.

Figures are estimates. You can adjust every assumption.

Result

£0

View year-by-year breakdown
YearContributionsGrowthBalance

Questions answered

What this calculator helps you work out

  • What investment portfolio might support my spending?
  • How does the withdrawal rate affect the target?
  • How far am I from the estimated FIRE number?

Common questions

FIRE Number Calculator FAQs

What does FIRE stand for?

Financial Independence, Retire Early.

Why is 25 times spending often used?

It is the reciprocal of a 4% withdrawal rate.

Should housing costs be included?

Include every cost you expect the portfolio to support.