What is a FIRE Calculator?
A FIRE Calculator estimates the investment corpus you may need for financial independence, based on your expenses, inflation, years to retirement and a safe withdrawal rate.
FIRE stands for financial independence, retire early. The corpus is your yearly expenses at retirement divided by a withdrawal rate you consider safe. Many people use 3% to 4%, but there is no guaranteed rate.
How to use the FIRE Calculator
- Enter current monthly expenses.
- Enter current age.
- Enter age you want to retire.
- Enter expected inflation.
- Enter safe withdrawal rate.
- Tap Calculate to see the result.
- Tap Reset to clear the fields and try again.
Who should use it
- People planning early retirement
- Investors setting a long-term target
- Anyone curious about financial independence
Key terms
- Safe withdrawal rate
- The share of the corpus you plan to withdraw each year.
- FIRE corpus
- The investment amount needed to cover your expenses.
Frequently asked questions
What withdrawal rate should I use?
Lower rates are safer. Many Indian planners use 3% to 3.5% because of higher inflation.
Does it include taxes?
No. Add a buffer for tax on withdrawals.
Is this financial advice?
No. Speak to a registered adviser.
Is my data stored?
No. Everything you enter stays in your browser.
Last updated: 1 November 2026