FIRE Calculator
Calculate your FIRE number, the corpus you need before investment withdrawals can cover your living expenses, how many years it will take to get there, and your Lean, Fat and Coast FIRE numbers.
Shows the age you can stop working.
Used for Coast FIRE below.
In today's money. Assumes you raise this amount with inflation every year.
25x = 4% rule; 33x = 3% rule
Your FIRE number
in about
- Annual expenses
- Real return
- Required gap
Your savings vs your FIRE number
Other FIRE targets
Lean FIRE
20× a year's expenses, for a frugal early retirement (5% withdrawals)
Fat FIRE
50× a year's expenses, for a comfortable retirement with room to spare (2% withdrawals)
Coast FIRE
Not sure what to do with this result?
Ask FinChat, our AI planning assistant, about your FIRE result. Free to try, no signup.
Uses real return (return adjusted for inflation) for projection, so all amounts are in today's money. Your annual investment is assumed to rise with inflation every year; if you keep it flat in rupee terms, reaching FIRE takes longer (for the default inputs, about 21 years instead of 15). The 4% withdrawal rule (25x) assumes a 30-year retirement. Adjust the multiple for longer timelines. Results are indicative only.
What is a FIRE Calculator?
A FIRE calculator works out your "FIRE number" (FIRE stands for Financial Independence, Retire Early): the investment corpus you need before you can stop working and live off withdrawals. The most popular method is the 4% rule. Your corpus should be 25× your annual expenses, so that withdrawing 4% in the first year and raising it with inflation lasts a 30-year retirement in most historical periods.
The calculator combines your current corpus, annual investments, expected return, and inflation to estimate how many years it will take to reach your FIRE number. It works in real returns (return adjusted for inflation), because what matters is whether the corpus keeps its purchasing power as prices rise, not how big the rupee figure looks.
What is a FIRE Number in India?
Your FIRE number is your annual expenses × your FIRE multiple. Spend ₹50,000 a month (₹6 lakh a year) and use the 25x rule, and your FIRE number is ₹1.5 crore in today's rupees. Many Indian planners use 30x instead, because inflation here has run higher than in the US, where the 4% rule was tested. At 30x the same spending needs ₹1.8 crore.
That figure is in today's money. With inflation, the rupee amount you need on the day you retire is larger: FIRE number × (1 + inflation)years to FIRE. At 6% inflation and 16 years away, ₹1.5 crore today becomes about ₹3.8 crore then. This calculator handles that for you by working in real (after-inflation) returns, so the target and your progress stay in today's purchasing power.
How to Use This FIRE Calculator
- 1
Enter your monthly expenses
Use your current monthly spending. Expenses drive everything here: every rupee you don't need each month shrinks the corpus you have to build. Your FIRE number = Annual Expenses × FIRE Multiple.
- 2
Set your current investable corpus
Include all liquid investment assets: mutual funds, stocks, NPS (accessible portion), PPF maturity value. Exclude home, EPF (if locked-in), and illiquid assets.
- 3
Set annual investment and return
Annual investment is what you contribute each year, in today's rupees; the calculator assumes you increase it with inflation every year. Expected return: 10–12% for equity-heavy portfolios. Inflation: 6% is a conservative planning figure (CPI was 5.54% in Sep 2026, provisional). Real return ≈ return − inflation, roughly 4–6%.
- 4
Choose your FIRE multiple
25x = 4% withdrawal rate (30-year retirement). 33x = 3% rule (safer for longer retirements). For India, 30x is a good middle ground given higher inflation and longer potential retirement periods.
Types of FIRE
| FIRE Type | Monthly Expenses | FIRE Number (25x) | Profile |
|---|---|---|---|
| Lean FIRE | ₹25,000–₹40,000 | ₹75L–₹1.2 Cr | Minimalist lifestyle, low expenses |
| Regular FIRE | ₹50,000–₹80,000 | ₹1.5–₹2.4 Cr | Comfortable middle-class lifestyle |
| Fat FIRE | ₹1.5L–₹2L+ | ₹4.5–₹6 Cr+ | Luxurious lifestyle, no compromises |
| Barista FIRE | ₹60,000–₹80,000 | Partial corpus + part-time income | Semi-retired, some part-time work |
Worked Example: FIRE at 44 on ₹50,000 a Month
Illustrative example: Priya is 28, a software engineer in Bangalore earning ₹18 LPA. Her monthly expenses are ₹50,000 (₹6L per year). She already has ₹12L in mutual funds and saves ₹5L per year. To check it, enter monthly expenses ₹50,000, current corpus ₹12,00,000, annual investment ₹5,00,000, return 12%, inflation 6% and a 25x multiple in the calculator above.
| Monthly expenses | ₹50,000 |
| Annual expenses | ₹6,00,000 |
| FIRE multiple (25x) | ₹1.5 Cr |
| Current corpus | ₹12,00,000 |
| Annual investment | ₹5,00,000 |
| Required gap | ₹1,38,00,000 |
| Expected return / Inflation | 12% / 6% (real return ≈ 5.66%) |
| Estimated time to FIRE | ~16 years (age 44) |
At a 5.66% real return (12% nominal less 6% inflation, compounded), Priya's ₹12L corpus plus ₹5L yearly contributions grow to about ₹1.5 Cr in today's purchasing power in about 16 years, when she will be 44. If she raises her savings to ₹6L a year, she gets there in 15 years, one year sooner; at ₹8L, in 12. Each extra ₹1L a year saves one to two years.
This assumes Priya raises her ₹5L contribution with inflation each year (₹5.3L next year, and so on). If she invests a flat ₹5L every year without increasing it, the same calculation takes about 21 years, so step up your investment as your income grows.
Is the 4% Rule Valid in India?
The 4% rule originates from the 1998 Trinity Study, which tested US stock and bond portfolios over 30-year periods. It found that withdrawing 4% of your initial corpus (adjusted for inflation each year) lasted 30 years in most historical periods for portfolios with a large equity share. But India is different in several ways:
Higher Inflation
India's inflation has historically run well above the US's. CPI inflation was 5.54% in September 2026 (provisional) and RBI's target is 4% ±2%, but planning with 6% keeps a buffer. Higher inflation means your corpus erodes faster in real terms. A 3–3.5% withdrawal rate (28–33x multiple) is safer for Indian retirees planning 40+ year retirements.
Higher Equity Returns
Indian equities have historically delivered higher nominal returns than US markets, but much of that gap reflects higher inflation. What matters for FIRE is the real return after inflation, which is why this calculator works in real terms.
Healthcare Costs
Medical costs in India tend to rise faster than general CPI. Without employer health insurance post-retirement, a major illness can wipe out years of withdrawals. Budget separately for comprehensive health cover.
No Social Safety Net
Unlike the US (Social Security) or UK (State Pension), India has no universal state pension. Salaried workers may be entitled to a modest EPS pension, but it will not fund an early-retirement lifestyle, so your FIRE corpus has to do almost all the work. This makes a conservative withdrawal rate (3–3.5%) more prudent.
Common FIRE Mistakes to Avoid
Ignoring inflation in expense projections
Your expenses at age 40 won't be the same as today. At 6% inflation, ₹50,000/month today becomes ₹89,500/month in 10 years. Always project your FIRE number using inflated future expenses. This calculator does it for you by working in real returns.
Not accounting for lifestyle inflation
As your income grows, expenses tend to creep up: a better car, a bigger house, private school for the kids. If your spending grows from ₹50K to ₹80K/month, your FIRE number jumps from ₹1.5 Cr to ₹2.4 Cr. Track your actual expenses regularly and re-run this calculation.
Counting your home as part of FIRE corpus
Your primary residence generates no income (unless you rent it and move). Only count liquid, income-producing assets: mutual funds, stocks, NPS, PPF maturity and rental properties. Your house keeps a roof over your head but doesn't fund your withdrawals.
Retiring without adequate health insurance
A single major hospitalisation can cost several lakh rupees in a metro city. If you FIRE at 40, you have 20+ years before most people's employer coverage would have ended anyway. Buy a comprehensive health policy with a large cover while you are young and healthy, when premiums are much lower.
Using overly optimistic return assumptions
Assuming 15%+ returns forever is dangerous. Markets can go through multi-year flat periods, as Indian equities did after the 2008 crash. Use 10–12% for equity-heavy portfolios and 7–8% for balanced ones. Conservative estimates give you a buffer.
