Free FIRE tool

FIRE Calculator

Your financial independence number - and how many years of investing it takes to reach it.

FIRE NUMBER
·

Your target portfolio

Annual spending divided by the withdrawal rate - the pot that pays for your life.

YEARS TO FIRE
·

At your current pace

With monthly investing and compound returns, before inflation.

PROGRESS
·

Already covered

How much of the FIRE number your current portfolio already is.

How it works

What is a FIRE number?

FIRE - financial independence, retire early - reduces to one number: the portfolio size at which investment returns can pay for your life. The classic math divides your annual spending by a safe withdrawal rate. At the widely used 4% rule, that's simply annual spending times 25; a more cautious 3.5% means about 28x, and 3% about 33x.

Two levers move the timeline far more than investment returns do: how much you invest each month, and the annual spending itself - every euro of permanent spending you drop cuts roughly 25 euros off the target.

Which is why the unglamorous first step is knowing your real annual spending. A few months of honest tracking in SumiQ turns "roughly 30k, I think" into a number you can actually plan retirement on.

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How it works

FAQ

What is the 4% rule?
A guideline from retirement research: withdrawing about 4% of a diversified portfolio in the first year, adjusted for inflation after, has historically survived most 30-year retirements. It's a planning anchor, not a guarantee.
Should I use 3%, 3.5% or 4%?
The younger you retire and the longer the money must last, the more caution helps: 4% for a classic horizon, 3.5% or 3% if you're planning 40-50 years or want margin for bad decades.
Does this account for inflation?
Use a real (after-inflation) return - 4-5% is a common assumption for diversified stock portfolios - and the result reads in today's money, which is the honest way to plan.
How do I know my annual spending?
Not from memory - from data. Track your spending in SumiQ for a few months, multiply the honest monthly total by 12, and you have the number that defines your whole FIRE plan.