Finance tool

FIRE Calculator

Find your Financial Independence number using the common 25x rule (a 4% safe withdrawal rate), and roughly how long it'll take to get there.

—FIRE number
—Estimated years to reach it

Where the 25x / 4% rule comes from

The 4% rule suggests you can withdraw 4% of a portfolio annually with a low risk of running out of money over a long retirement — so the target portfolio is annual expenses divided by that rate, which comes out to 25 times your annual expenses at 4%.