FIRE Calculator (Financial Independence Retire Early)

Calculate your path to Financial Independence. Find your FIRE number, years to retirement, and track progress.

Your age today

Total investment portfolio

Gross annual income

Current yearly spending

Amount invested each month

Investment return (conservative: 6-7%)

Annual withdrawal rate in retirement

FIRE Number = Annual Expenses * (100 / Withdrawal Rate)\nSavings Rate = (Annual Savings / Annual Income) * 100\n\nYears to FIRE:\nFV = PV(1+r)^n + PMT[((1+r)^n - 1)/r]\nWhere FV = FIRE Number, PV = Current Savings\nPMT = Monthly Savings, r = Monthly Return\n\nAnnual Retirement Income = FIRE Number * Withdrawal Rate
Example:\nAge: 30\nCurrent Savings: $100,000\nIncome: $80,000/year\nExpenses: $40,000/year\nMonthly Savings: $2,000 ($24k/year)\nReturn: 7%\nWithdrawal Rate: 4%\n\nFIRE Number = $40,000 * 25 = $1,000,000\nSavings Rate = $24,000 / $80,000 = 30%\n\nCompounding:\nYear 1: $100k -> $131k\nYear 5: $235k\nYear 10: $450k\nYear 15: $760k\nYear 18: $1,002k -> FIRE!\n\nFIRE Age: 48 years old\nRetirement Income: $40k/year

What is FIRE (Financial Independence Retire Early)?

FIRE is a movement focused on aggressive saving and investing to retire decades earlier than traditional retirement. Goal: save 25-30* annual expenses, then live off 3-4% withdrawal rate. Example: Need $40k/year → save $1 million ($40k * 25). Requires high savings rate (50-70%).

What is the 4% rule?

4% rule: withdraw 4% of portfolio annually in retirement (adjust for inflation). Based on Trinity Study showing 4% has 95% success over 30 years. Example: $1M portfolio → $40k/year withdrawals. Conservative: use 3-3.5%. Aggressive: 4-5%. Depends on retirement length and allocation.

How much do I need to save to FIRE?

FIRE number = Annual Expenses * 25 (using 4% rule) or * 33 (using 3% rule). Example: $50k/year expenses → need $1.25M (25*) or $1.65M (33*). Lower expenses = lower target. Many aim for extra buffer. Calculate based on post-retirement lifestyle.

What are the different types of FIRE?

Lean FIRE: minimal expenses ($25-40k/year). Regular FIRE: moderate lifestyle ($40-70k). Fat FIRE: comfortable/luxury ($70k+). Barista FIRE: part-time work covers expenses. Coast FIRE: savings compound, work for expenses only. Choose based on desired lifestyle and flexibility.

What investment return should I assume?

Historical stock market average: 10% nominal, 7% real (after inflation). Conservative planning: 6-7%. Bonds: 3-5%. Mix: 60/40 stocks/bonds ≈ 6-7%. Use conservative estimates. Market volatility affects timeline. Sequence of returns risk matters in retirement.