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.