How Long Will Money Last Calculator

Calculate how long your savings will last with regular withdrawals.

₹
₹
6%
Money Lasts
30 yr 0 mo
Total Months
360
Share results:

What is How Long Will Money Last Calculator?

A how long money lasts calculator estimates how many years your savings will last given a monthly withdrawal amount and an assumed return rate.

It is essential for retirement planning — it shows whether your corpus can sustain your lifestyle.

How does the How Long Will Money Last Calculator work?

n = –log(1 – B×i/W) / log(1 + i)

Where B is the starting balance, W is the monthly withdrawal, and i is the monthly return rate.

The calculator solves for the number of months the balance lasts before depletion.

How to use the How Long Will Money Last Calculator?

  1. Enter your current savings balance.
  2. Enter your monthly withdrawal amount.
  3. Enter the expected return rate.
  4. The calculator shows how many years your money lasts.

Example

Try the calculator with your own numbers

  1. Enter your values in the input fields above.
  2. Adjust the values to match your situation.
  3. The result updates instantly as you change the inputs.
Your result appears instantly — no manual calculation needed.

Benefits of using the How Long Will Money Last Calculator

  • Test retirement sustainability.
  • Adjust withdrawals to extend the corpus.
  • Plan for inflation-adjusted income.

Who should use the How Long Will Money Last Calculator?

  • Students and professionals who need fast, accurate results.
  • Anyone who wants to verify a manual calculation.
  • People who prefer a quick answer over working it out by hand.

Tips for getting the most out of the How Long Will Money Last Calculator

  • Double-check the values you enter before relying on the result.
  • Use the calculator to verify manual calculations or estimates.
  • Bookmark the page if you use it regularly.

Frequently Asked Questions

How long will ₹1 crore last?

Withdrawing ₹50,000 monthly at 7% returns, ₹1 crore lasts about 25 years. Withdrawing more shortens it sharply.

Should I account for inflation?

Yes. Use a return rate net of inflation (e.g. 7% nominal minus 5% inflation = 2% real) for a conservative estimate.

This calculator gives you fast, reliable answers whenever you need them. Try it now and keep it handy for future calculations.

Related Calculators