FIRE Number Calculator
Estimate the investment total needed to retire on your yearly spending.
Quick answer: enter your details below and click Calculate FIRE Number — your result appears instantly, right here in your browser. Nothing you enter is uploaded or stored.
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Enter your details below.
How to use
- Enter your numbers.
- Check that each figure looks right.
- Click Calculate FIRE Number and read the result.
About this tool
The FIRE number divides yearly spending by a safe withdrawal rate, commonly 4 percent, giving the portfolio size that could in theory fund that spending indefinitely. All figures here are estimates: check current rules and rates before acting on them.
Frequently asked questions
Are these figures exact?
No. They are estimates based on the numbers you enter. Rules, rates, and charges change, so check current rules before making a financial decision.
What should I do with this estimate?
Use it to compare options and plan your next step, then confirm the final figure with the provider, lender, or adviser involved before committing money.