The 4% rule states you can withdraw 4% of your portfolio annually, adjusted for inflation, without depleting it over 30+ years.

FIRE Movement · Financial Independence

FIRE Number Calculator —
Your Magic Retirement Target

Find the exact corpus you need to retire early and never work for money again. Based on the 4% safe withdrawal rule used by the FIRE community worldwide. This calculator is built for Indian investors and taxpayers using the latest rules from the Income Tax Act, SEBI regulations, EPFO guidelines, and RBI circulars applicable for FY 2025-26. All results update instantly in your browser with no data transmitted to our servers. Use the inputs to model your specific scenario, then compare against the current year limits and rates shown on the Income Tax Department portal at incometax.gov.in. This calculator follows the exact mathematical formulas prescribed by the Income Tax Act, SEBI regulations, EPFO guidelines, RBI circulars, and AMFI rules for FY 2025-26. Results update instantly in your browser. No data is stored or transmitted. Use these results as a planning baseline and consult a SEBI-registered investment adviser or Chartered Accountant for decisions involving significant amounts. The most accurate and current tax rates are available on the Income Tax Department portal at incometax.gov.in and the GST portal at gst.gov.in. Understanding the precise mechanics of this calculation enables better financial decisions. Every input variable has a different sensitivity — some inputs change the result dramatically while others have minimal impact. For investment calculators, the return rate assumption is the most sensitive variable. For tax calculators, your filing status and deductions matter most. For loan calculators, the interest rate and tenure interact to determine total cost. Running multiple scenarios with conservative, realistic, and optimistic assumptions gives a range of outcomes rather than a single number, which is the foundation of sound financial planning.

Journey to Financial Independence

Year-by-Year FIRE Progress

Year	Portfolio Value (₹)	FIRE Target (₹)	Gap (₹)	% Achieved

Understanding FIRE & Financial Independence

What is the FIRE Number?+

Your FIRE Number is the total investment corpus you need to retire early and live purely off investment returns. It equals 25× your annual expenses, based on the 4% Safe Withdrawal Rate — the finding from the Trinity Study that withdrawing 4% of a portfolio annually has historically sustained withdrawals for 30+ years.

What is the 4% rule?+

The 4% rule, derived from the 1998 Trinity Study, states that you can safely withdraw 4% of your retirement portfolio every year, adjusted for inflation, without running out of money over a 30-year retirement. If your FIRE Number is ₹2 Crore, you can withdraw ₹8 lakh per year (₹66,667/month) indefinitely.

What are the types of FIRE?+

There are several FIRE variants: Lean FIRE (minimal expenses, smaller corpus), Fat FIRE (comfortable lifestyle, larger corpus), Barista FIRE (semi-retire with part-time income), and Coast FIRE (enough invested that growth alone reaches FIRE target without further contributions). This calculator targets traditional FIRE.

How does savings rate affect FIRE timeline?+

Savings rate is the most powerful lever in FIRE. Saving 10% of income may take 40+ years. Saving 50% can get you there in ~17 years. Saving 75% can mean FIRE in under 7 years. The math is dramatic: every extra rupee saved both grows your corpus and reduces the corpus you need (since you're spending less).

Should I account for inflation in my FIRE number?+

Yes — always. ₹6 lakh/year today will cost far more in 15–20 years due to inflation. This calculator computes your inflation-adjusted FIRE number (the corpus needed at your future retirement date), not just your current expenses × 25. The 4% rule naturally accounts for inflation through annual withdrawals adjusting upward.

Frequently Asked Clarifications

Before using any financial calculator, it helps to understand a few fundamentals that apply across all types of calculations.

Gross vs Net Inputs

Always confirm whether the calculator expects gross income (before tax) or net income (take-home pay). For India income tax calculators, enter your total annual gross salary. For EMI affordability calculations, use your net monthly take-home. For investment calculators, use the actual amount you plan to invest after taxes and essential expenses. Entering the wrong figure significantly distorts the output.

Annual vs Monthly Figures

Indian financial products frequently express rates and amounts annually while payments occur monthly. A 12% annual SIP return is approximately 0.95% per month compounded. A 9% annual home loan rate is 0.75% per month on the reducing balance. Always verify whether the rate you enter should be annual or monthly — most calculators expect the annual rate and convert internally.

Inflation Adjustment

Long-term projections for retirement corpus, target SIP amounts, or home loan affordability should be viewed in today's rupee value. With India's historical inflation averaging 5-6% per year, Rs 50 lakhs today will have the purchasing power of approximately Rs 30 lakhs after 10 years. For retirement planning, always use real returns (nominal return minus inflation rate) to project meaningful outcomes.