Aedilis FIRE Calculator
Bringing the financial tools of the wealthy to everyone
FIRE Number Calculator
Find your financial independence target
Your average monthly spending
Standard FIRE Number
$0
Using the 25x rule: monthly expenses × 300 (supports 4% safe withdrawal)
Lean FIRE (50% lower spending)
$0
Fat FIRE (extra cushion)
$0
How to read this: If you spend $3,500/month, your FIRE Number is $1.05M. Save that, and you can withdraw $3,500/month forever without working.
Years to FIRE Calculator
How long until financial independence?
Leave blank to use standard FIRE number from left calculator
Years to FIRE
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Target Retirement Year
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Age at FIRE
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Assuming you retire when you hit your FIRE number
How to read this: With $1,000/month in contributions and 7% returns, you might hit your FIRE number in 13.7 years, retiring at age 43.
Coast FIRE Calculator
When can you stop saving?
Leave blank to use standard FIRE number from left calculator
Coast FIRE Status
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Years of Freedom
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Years you can stop saving and still hit your FIRE number
Coast FIRE Number Needed
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How much you need now to reach your FIRE target without additional contributions
How to read this: If you have $250k at age 35, it could grow to $1M+ by age 65 without a single additional contribution (at 7% returns).
Side Income FIRE Accelerator
How side hustle income cuts years off
From the Years to FIRE calculator above
New Years to FIRE
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Years Saved
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How much faster you’ll reach financial independence
Impact
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Real math on what this side income means for your timeline
How to read this: An extra $500/month side income, at 80% invested, can cut 2-3 years off your timeline depending on your returns.
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