Your FIRE Number and Exact Retirement Date
Find your financial independence number, the date work becomes optional, and whether semi-retirement is already within reach.
Educational Disclaimer
Wyzfin calculators and guides are for educational and informational purposes only. They do not constitute financial, tax, or legal advice. The results provided are estimates based on user input and general assumptions. Every financial situation is unique; always consult with a qualified professional before making significant financial decisions.
Calculator Inputs
The 4% rule estimates how much of a diversified portfolio could be withdrawn annually in retirement.
You reach financial independence in June 2052.
That is 26 years and 1 months from today. You will be 58.1 years old.
75% of target spending
100% of target spending
150% of target spending
Portfolio needed after passive income and pension assumptions.
FIRE community targets 50%+.
Work optional around age 58.1.
Share of retirement spending covered before portfolio withdrawals.
FIRE Projection
Could You Semi-Retire Today?
Your portfolio can bridge this for 5.3 years.
Your portfolio can bridge this for 2.1 years.
Your portfolio can bridge this for 1.1 years.
Scenario Comparison
Baseline trajectory
40 months sooner
70 months sooner
One More Lever
Adding $500/month in passive income moves your FIRE timeline to about 23.8 years from now and lowers your FIRE number by $150,000.
This how much do I need to retire early calculator estimates your FIRE number and the date work becomes optional. Enter income, spending, portfolio balance, monthly investing, rental income, side income, and withdrawal rate to run a financial independence retire early projection. It is built for FIRE savers who need more than a simple 25x spending rule because passive income and semi-retirement can change the answer.
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Related Calculators
What FIRE Means
FIRE stands for Financial Independence, Retire Early. The core idea is simple: once investments and reliable passive income can cover your spending, paid work becomes optional. Use the net worth calculator to measure your current base and the compound interest calculator to test the growth assumptions behind your FIRE date.
Lean FIRE means reaching independence with a lower-spending lifestyle. Regular FIRE targets your planned normal spending. Fat FIRE adds more room for comfort and flexibility. Coast FIRE means you have enough invested that, without adding much more, compound growth can carry you to traditional retirement.
The 4% Safe Withdrawal Rule
The 4% rule comes from historical retirement research testing withdrawal rates across market cycles. It is useful because it turns annual spending into a portfolio target, but it has limits: early retirees may need the money to last longer than 30 years, and market returns are never guaranteed.
Why Savings Rate Matters More Than Income
A high income helps, but FIRE is driven by the gap between what you earn and what you spend. Raising your savings rate adds more money to investments while lowering the lifestyle your portfolio must support later.
How Passive Income Changes the Equation
Passive income lowers the amount your portfolio must replace. A reliable $500 per month reduces annual portfolio withdrawals by $6,000, which can lower a 4% FIRE number by about $150,000. If the passive income comes from real estate, underwrite it first with the rental property cash flow calculator.
Full FIRE vs. Semi-Retirement
Full FIRE means work is optional at your current target lifestyle. Semi-retirement is more flexible: part-time work, consulting, or seasonal income can bridge the gap years earlier and reduce burnout before full financial independence.
Frequently Asked Questions
What is the 4% rule and is it still safe?
The 4% rule is a retirement guideline suggesting that withdrawing 4% of a diversified portfolio in the first year, then adjusting for inflation, historically survived many 30-year periods. It is a starting point, not a guarantee, especially for very long early retirements.
How much do I need to retire early?
A common FIRE estimate is annual retirement spending divided by your safe withdrawal rate, reduced by reliable passive income or pension income. For example, $50,000 of annual spending at a 4% withdrawal rate needs about $1.25 million before passive income adjustments.
What is a good savings rate for FIRE?
Many FIRE savers target 50% or more, but the right rate depends on income, spending, starting portfolio, and timeline. Savings rate matters because it increases investing while also proving you can live on less.
Does rental income count toward FIRE?
Net rental income can count if it is durable after vacancy, maintenance, taxes, insurance, and management costs. It lowers the portfolio needed because less spending must be funded by withdrawals.
What is the difference between Lean FIRE and Fat FIRE?
Lean FIRE targets a lower-spending lifestyle, while Fat FIRE targets more comfort, travel, or flexibility. Regular FIRE sits between them and usually reflects the lifestyle you already plan to maintain.
Can I retire early with a pension?
Yes. A pension or Social Security-like benefit reduces the portfolio you need, but timing matters. If it starts years after early retirement, your portfolio must bridge the gap until that income begins.
How much do I need to retire at 40?
Estimate your annual spending at age 40, subtract reliable passive income, then divide the remaining spending by your safe withdrawal rate. At $60,000 of annual spending and a 4% withdrawal rate, the rough target is $1.5 million before passive income adjustments. A longer retirement may justify using a lower withdrawal rate.
How do I calculate my FIRE number?
Your basic FIRE number is annual retirement spending divided by your safe withdrawal rate. With the 4% rule, that is annual spending times 25. Then adjust for rental income, pensions, Social Security, side income, taxes, inflation, and whether you plan to semi-retire.
Can I retire early with rental income?
Yes, rental income can reduce the portfolio you need if it remains positive after vacancy, maintenance, taxes, insurance, debt service, and management. Use net rental income, not gross rent. A rental that produces stable cash flow can meaningfully shorten a FIRE timeline.
Your FIRE number is closer than you think — find out exactly when you can stop working
Use the calculator above to test savings, spending, passive income, and semi-retirement paths.