WealthJot.ai
WealthJot.ai
🔥 FIRE Calculator
When can you retire early? Financial Independence, Retire Early

FIRE: fire age is 54, based on the entered inputs.

Formula

FIRE Number = Annual Expenses × (100 ÷ Safe Withdrawal Rate), e.g. 25× annual expenses at a 4% withdrawal rate

Worked example
InputValue
Current Age30 years
Current Savings / Investments₹10,00,000
Monthly Savings₹50,000
Monthly Expenses (today)₹80,000
Expected Portfolio Return12%
Inflation Rate6%
Safe Withdrawal Rate4%
FIRE Age54
Required FIRE Corpus₹9,71,74,431
Years to FIRE24 yr
Projected Corpus at FIRE₹10,11,95,617
Monthly Withdrawal at FIRE₹3,23,915
Corpus Surplus / Gap₹40,21,186

How the FIRE calculator finds your freedom age

FIRE (Financial Independence, Retire Early)Building enough wealth to make work optional, often early. reframes retirement as a number, not an age: the moment your corpus can sustainably fund your lifestyle, work becomes optional. The calculator projects your corpus (current savings compoundingEarning returns on your returns — growth that accelerates over time. + monthly investing) against your FIRE number — expenses divided by a safe withdrawal rateHow much you can withdraw yearly in retirement without running out. — and reports the age at which the lines cross.

FIRE number = annual expenses ÷ withdrawal rate (at 4%: 25× expenses; at 3.5%: ~29×)
The corpus from which you can withdraw your yearly expenses, inflation-adjusted, with low risk of running out over a multi-decade retirement.
The lever that dominates every other input is your *savings rateThe share of your income you save and invest.* — because it works both ends at once: saving more grows the corpus faster AND proves you need less to live on, which shrinks the target itself. A 30% saver typically reaches independence in ~25-28 working years; a 50% saver in ~15-17; a 70% saver in under 10 — almost regardless of income level. Returns matter, but the savings rateThe share of your income you save and invest. decides the timeline.
ExampleAge 30, expenses ₹50,000/month, corpus ₹20 lakh, investing ₹60,000/month at 12% (6% inflationThe steady rise in prices that erodes money’s purchasing power., 4% withdrawal): the FIRE number is ₹1.5 crore in today’s rupees but keeps inflating — the calculator finds the crossover around age 45-46. Raise the monthly investing to ₹1 lakh and it pulls under 42; cut expenses ₹10,000/month and both the target falls and the timeline shortens again.
Common mistakeImporting the 4% rule wholesale into India. It comes from US market history; Indian FIRE planners usually prefer 3-3.5% withdrawal (≈ 30× expenses) to respect higher inflationThe steady rise in prices that erodes money’s purchasing power. and shorter market history — especially for very early retirees whose money must last 40+ years. The calculator’s withdrawal-rate input exists precisely so you can stress-test at 3%.
✓ You learnedFIRE = corpus ≥ 25-30× annual expenses; the savings rateThe share of your income you save and invest. — not income, not returns — sets the timeline, because it compounds the corpus and shrinks the target simultaneously. Plan India-side at a 3-3.5% withdrawal rateHow much you can withdraw yearly in retirement without running out., and remember: reaching the number makes work optional, not forbidden.
FAQs
Is FIRE realistic in India?

The arithmetic works anywhere; the assumptions need Indian calibration — 6%+ inflation, healthcare costs that you fund yourself (no employer cover post-exit), family obligations, and a conservative 3-3.5% withdrawal rate. Coast FIRE and Lean FIRE variants are increasingly common among Indian tech and finance professionals; the discipline is the hard part, not the math.

What if markets crash right after I hit my FIRE number?

That’s sequence-of-returns risk — the worst crash is the one in your first drawdown years. Standard defences: keep 2-3 years of expenses in debt instruments (a cash buffer bucket), be willing to trim withdrawals in bad years, and treat part-time income in early FIRE years as sequence insurance. A 3-3.5% withdrawal rate already absorbs much of this risk.