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Barista FIRE calculator

Part-time work plus a smaller pot.

Built and reviewed by Dovanic, Founder and editor, FreeByteLast reviewed: 2026-08-18
$
$
4%

Pot needed

$250,000

Full FIRE pot

$450,000

With these inputs, pot needed comes to $250,000. Full FIRE pot works out to $450,000. The result assumes withdrawal rate stays at 4%.

Pot reduction from working
$200,000

What moves the number · Pot needed

Input−10%Now+10%
Yearly spending$205,000$250,000$295,000
Part-time income$270,000$250,000$230,000

Solve for an input

Whatmakesequal

Compare scenarios

Save this set of inputs, change something, then save again to compare the outcomes side by side.

Part-time work plus a smaller pot.

A worked example

Starting figures

Yearly spending
$45,000
Part-time income
$20,000
Withdrawal rate
4%

What it returns

Pot needed
$250,000
Full FIRE pot
$450,000
Pot reduction from working
$200,000

How to read the results

With the defaults above, pot needed works out at $250,000.

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