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Investing & RetirementRetirement
FIRE Number Calculator — Financial Independence Retirement Calculator
Calculate the exact portfolio size that makes you financially independent — and how many years until you get there.
FIRE Number Details
$60,000
$
4%
%
$100,000
$
$24,000
$
7%
%
Results
LiveYour FIRE Number
$1,500,000
Gap to FIRE Number$1,400,000
Estimated Years to FIRE21
Monthly Investment Needed (10 yrs)$9,047
Your FIRE Number$1,500,000
Gap to FIRE Number$1,400,000
Estimated Years to FIRE21
How to use
Change one assumption at a time to see what moves the answer most.
Frequently Asked Questions
Everything you need to know.
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Why This Matters
Financial independence is not about income. It's about the ratio of portfolio to annual spending. The 4% rule gives a precise, research-backed target — and your current trajectory tells you exactly when you'll hit it.
How to Use It
- 1Enter your expected annual spending in retirement
- 2Adjust safe withdrawal rate (4% is the research standard)
- 3Enter current savings and annual investment amount
- 4See your FIRE number and estimated timeline
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