FIRE Calculator
Project your timeline to Financial Independence and Early Retirement (FIRE), comparing Lean, Fat, Coast, and Barista FIRE benchmarks.
Advanced Insights (Optional)
Improve the accuracy of your personalized financial diagnostics.
How to Use the FIRE Calculator
Financial Independence, Retire Early (FIRE) requires a clear savings target and compounding strategy. This calculator helps you solve for your years to FIRE or required savings, and maps out your progress toward different FIRE milestones (Lean, Fat, Coast, Barista).
- Solve For: Choose which variable you want to solve for.
- Current Age: Your current age in years.
- Current Savings & Investments ($): Your current total investment balance.
- Monthly Contributions ($): How much you save monthly toward financial independence.
- Expected Annual Expenses ($/year): Your estimated annual living expenses after early retirement in today's dollars.
- Annual Portfolio Return (%): Expected gross annual return of your portfolio.
- Safe Withdrawal Rate (%): Targeted safe withdrawal rate (SWR) percentage (typically 4.0% Bengen SWR).
- Tax Drag on Investment Growth (%): Estimated average annual tax rate on interest/gains.
- Adjust for Inflation: Toggle to view output balances in today's purchasing power vs nominal dollars.
- Expected Inflation Rate (%): Long-term expected annual inflation rate.
- Target Timeline (Years): Your targeted timeline in years to achieve FIRE.
- Annual Gross Salary ($): Your annual gross salary, used to evaluate your savings rate.
- Risk Profile: Your investment risk tolerance, used to analyze return assumptions.
- Traditional Retirement Age: The traditional retirement age used to calculate your Coast FIRE target.
- Expected FIRE Lifestyle: Your expected lifestyle variant to customize DI alerts.
FIRE Savings & Nest Egg Planning: Formula & Worked Example
Explore the mathematics of Financial Independence, Retire Early (FIRE), safe withdrawal rates, and early retirement timelines.
Read Full Guide →What is the safe withdrawal rate (SWR)?
The SWR is the percentage of your portfolio you withdraw in the first year of retirement, then adjust for inflation in subsequent years. The 4% rule is a popular SWR based on historical U.S. market durability.
What is Coast FIRE?
Coast FIRE means you have saved enough capital today that, with zero additional contributions, it will compound to your target FIRE number by your traditional retirement age.
How does tax drag affect my FIRE plans?
Taxes on dividends and capital gains act as a continuous drag on your portfolio growth, reducing your compounding efficiency. Using tax-advantaged accounts helps mitigate this.
Plan your retirement by projecting savings growth, choosing different methodologies, adjusting for taxes, and stress-testing under multiple economic scenarios.
Emergency Fund CalculatorEvaluate your cash reserve safety buffer, calculate months of coverage, solve for savings timelines, and assess income and expense stability.
Compound Interest CalculatorCalculate how your money grows over time with the compounding interest formula.
Investment Return CalculatorEvaluate index funds, stocks, and mutual funds. Solve for future value, total return (ROI), or CAGR while accounting for periodic contributions, annual fee ratios, tax drags, and dividend reinvestment.
Savings Goal CalculatorCalculate how to achieve your specific savings goals, whether solving for required monthly deposits or the time needed.