Coast FIRE Calculator

Your age today; it sets how many years of compounding remain before retirement.

The age the nest egg must be complete. The further away it is, the smaller the Coast FIRE number, because compounding does more of the work.

Your expected yearly spending in retirement, in today’s money — it defines the full retirement target.

The withdrawal rate defining the retirement target: spending divided by this rate. At 4% the target is 25× annual spending.

The yearly return your investments earn while coasting — the engine that must carry today’s savings to the target on its own.

Grows the retirement target over time so it still buys today’s lifestyle at retirement age.

What you have invested today. The tool checks whether this alone, left untouched, reaches the target in time.