FIRE stands for Financial Independence, Retire Early. Your FIRE number is the portfolio size at which your investments can cover your living expenses indefinitely, making a paycheque optional. This calculator helps you find that number, track your progress, and see a realistic timeline based on your savings rate.
This tool is for educational purposes only. PlanSmartFi is not a financial advisor. Always verify figures and consult a qualified professional before making financial decisions.
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Understanding these two ideas will help you use your results with confidence.
The 4% rule comes from research examining historical portfolio performance over 30-year periods. It found that withdrawing 4% of a balanced portfolio annually has generally allowed portfolios to survive that period without running out of money, even through significant downturns.
Your FIRE number is your annual expenses divided by 0.04. At $4,000 per month in expenses, that is $48,000 per year, which means a target of $1,200,000. Note that this research is based on US market data. Canadian investors holding a TSX-heavy portfolio have experienced different historical return sequences, which is one reason many Canadian early retirees use a 3% to 3.5% withdrawal rate instead.
If you retire before qualifying for provincial coverage through employment, you may need extended health insurance. Costs vary by province and coverage level.
A significant market decline in the first few years of retirement is more damaging than the same decline in year 15. The 4% rule accounts for historical averages, but your specific timing matters.
RRSP and non-registered withdrawals are taxable. RRSPs must convert to a RRIF by age 71 with mandatory minimum withdrawals annually. A financial planner can help structure withdrawals to minimize tax.
CPP can begin as early as age 60 (reduced) and OAS at age 65. If you retire at 40, your portfolio must cover all expenses for 20 to 25 years before these payments begin. This bridge period is one of the most commonly underestimated costs in Canadian early retirement planning.
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Your FIRE number is the total investment portfolio value you need to retire and live off your investment returns indefinitely. It is calculated by dividing your expected annual expenses by your planned withdrawal rate. At a 4% withdrawal rate, the formula is: annual expenses multiplied by 25. For example, if you need $50,000 per year, your FIRE number is $1,250,000.
The 4% rule suggests that withdrawing 4% of your investment portfolio annually is generally sustainable over a 30-year retirement, based on historical US market performance. In Canada, factors like currency risk, home-country bias toward the TSX, and the timing of CPP and OAS can affect how the rule applies. Many Canadian early retirees use a slightly lower withdrawal rate of 3% to 3.5% to build in a larger safety margin over a longer retirement horizon.
CPP and OAS are government income sources that can reduce how much your investment portfolio needs to cover in retirement. If you plan to retire at 65, your CPP and OAS income can be subtracted from your annual expense target before calculating your FIRE number. If you plan to retire earlier, you will need your portfolio to cover all expenses until CPP begins, usually between age 60 and 70. This bridge period significantly increases how much you need to save.
In Canada, your FIRE savings can include your TFSA, RRSP, FHSA, and non-registered investment accounts. TFSA withdrawals are tax-free, which makes them well-suited for early retirement spending. RRSP withdrawals are taxed as income, and RRSPs must convert to RRIFs by age 71 with mandatory minimum annual withdrawals. Non-registered accounts may trigger capital gains on withdrawals. A financial planner can help structure drawdowns across account types to reduce your overall tax burden.
Lean FIRE refers to achieving financial independence on a frugal budget, often under $3,000 per month in expenses. It requires a smaller portfolio and is reachable sooner, but leaves little room for unexpected costs. Fat FIRE means retiring with enough to maintain a high standard of living, often $6,000 or more per month. Regular FIRE falls in between. The right target depends entirely on your lifestyle goals and your expected costs in the city or region where you plan to retire.
The timeline depends almost entirely on your savings rate relative to your expenses. Someone saving 10% of their income may need 40 or more years. Someone saving 50% may reach FIRE in around 17 years. Someone saving 70% could reach it in under 10. The reason is compound growth: a higher savings rate means both more money invested and lower spending to cover, which shrinks the FIRE target at the same time.
The 4% rule was designed around a 30-year retirement using US historical data. If you retire at 40 and live to 90, you are looking at a 50-year retirement, which introduces significantly more uncertainty. Many early retirees in Canada use a withdrawal rate of 3% to 3.5% to build in a larger margin. Others plan to have some flexible income, such as part-time work or rental income, to reduce portfolio withdrawals during market downturns.
There is no single right answer. Paying off your mortgage reduces your monthly expenses, which lowers your FIRE number. Investing instead of prepaying often produces higher long-term returns if your mortgage rate is lower than your expected investment return. Many Canadians pursuing FIRE treat housing costs as part of their expense target and invest the remainder, rather than rushing to pay off the mortgage. Your comfort with debt and your current mortgage rate both matter.
Coast FIRE is the point at which your invested portfolio is large enough that, without any additional contributions, it will grow to your full FIRE number by your target retirement age. Once you reach your Coast FIRE number, you only need to earn enough to cover current living expenses, with no pressure to save further. Many Canadians find this milestone meaningful because it removes urgency from every savings decision.
Full early retirement may not be the goal for everyone, and it does not need to be. Many Canadians use the FIRE framework not because they want to stop working entirely, but because having a large invested portfolio gives them options. The ability to switch careers, reduce hours, take extended leave, or walk away from a difficult job without financial panic is itself a meaningful form of financial independence.
The FIRE Number Calculator on this page is provided for educational and informational purposes only. It is not financial advice, investment advice, or a substitute for professional guidance. Results are estimates based on user-provided inputs and standard financial modelling assumptions. Actual outcomes will vary based on market performance, inflation, taxes, individual circumstances, and factors not captured by this tool. The 4% withdrawal rate is a historical guideline based on US market data, not a guarantee. PlanSmartFi is operated by Alella Concepts Inc. and is not a registered financial advisor. Always consult a qualified financial professional before making significant financial decisions.