Formula used
Builds a corpus from expenses divided by withdrawal rate, inflates expenses and projects investments with monthly compounding.
Example calculation
Rs 60,000 monthly expenses at a 3.5% withdrawal rate gives a current FIRE number near Rs 2.06 crore.
Source and methodology
Last reviewed: July 2026
This calculator uses the formula and assumptions described on this page. Builds a corpus from expenses divided by withdrawal rate, inflates expenses and projects investments with monthly compounding. Values are calculated in-browser from user-entered inputs and are not saved by default. Verify tax, regulatory, lender, scheme or product rules with the relevant official source where applicable.
Educational estimate only. RupeeKit does not provide personalized financial, investment, legal, tax or loan advice.
Related calculators and guides
You can cross-check this estimate using: salary in-hand calculator, Old vs New Tax Regime Calculator, 80C deduction calculator, EMI calculator, ITR-2 filing guide, emergency fund guide.
When this tool is useful
- When you want a fast estimate before making a financial or salary decision.
- When you want to compare different assumptions in seconds.
- When you want to understand the formula behind the result.
