What this estimate uses
Starting investment, Monthly withdrawal, Expected return (p.a.), Withdrawal period.
Investments calculator
How long could your withdrawals last?
Model regular withdrawals from an invested corpus over time.
Your estimate
Live result
Estimated ending balance
—How it works
A useful estimate, with the assumptions out in the open.
Returns are applied monthly and withdrawals occur at month-end. Real returns vary, and taxes or exit loads are excluded.
This result is an educational estimate. Rates, taxes, fees, product rules, and market returns can change.
India-focused guide
How long can my investment last with a monthly SWP withdrawal?
Enter your own values above to estimate how systematic withdrawals and investment returns affect a corpus over time. The live result separates the most important totals so you can compare scenarios before making a decision.
Important assumption
Returns are applied monthly and withdrawals occur at month-end. Real returns vary, and taxes or exit loads are excluded.
Created and maintained byAll Tool Central
Formula and content reviewed20 August 2026
See how estimates are builtCalculation methodology
Detailed guide
Understand the result before using it.
The SWP calculator estimates how a starting investment may change while a fixed amount is withdrawn every month. It reports the cash withdrawn, the ending corpus and whether the requested withdrawal could be paid for the full selected period under a smooth-return assumption.
How the SWP estimate works
The annual return is divided by 12 and applied to the remaining balance at the start of each month. The selected withdrawal is then taken at month-end. If the balance is smaller than the requested withdrawal, the model withdraws only what remains and the corpus becomes zero.
This is a deterministic projection: it applies the same return every month. A real mutual-fund NAV rises and falls, so the order of returns can materially change how long a withdrawal plan lasts.
FormulaMonth-end balance = opening balance × (1 + annual return ÷ 12) − monthly withdrawal
Example: ₹30 lakh with ₹25,000 withdrawn monthly
Over ten years, planned withdrawals total ₹30 lakh. The table changes only the smooth annual-return assumption. All three scenarios sustain the full 120 withdrawals, but the remaining corpus is very different.
| Assumed return | Total withdrawn | Estimated ending corpus | Withdrawals sustained |
|---|---|---|---|
| 6% | ₹30.00 lakh | ₹13.61 lakh | 10 years |
| 8% | ₹30.00 lakh | ₹20.85 lakh | 10 years |
| 10% | ₹30.00 lakh | ₹30.00 lakh | 10 years |
Smooth returns understate sequence risk
Two portfolios can earn the same long-run average return yet support different withdrawals. Losses early in retirement are especially damaging because units are redeemed while prices are lower, leaving fewer units to participate in a recovery.
For planning, test a lower return, a larger withdrawal and a longer period. Also keep near-term spending outside volatile assets where appropriate rather than treating a single projected ending balance as a guarantee.
Costs and cash flows not included
- Capital-gains tax depends on the investment, holding period and units redeemed.
- Exit loads, expense ratios and transaction timing can reduce the realised amount.
- Inflation can reduce the purchasing power of a fixed monthly withdrawal.
- Actual withdrawals may occur on a different date from the month-end timing used here.
Common questions
Frequently asked questions
Does an SWP pay interest like a fixed deposit?
No. In a mutual fund, an SWP normally redeems units to provide cash. The payment can therefore include both original capital and gains, and the remaining value depends on NAV movements.
Why can the ending corpus stay unchanged after withdrawals?
In a smooth scenario, monthly growth can equal the monthly withdrawal. That mathematical balance does not mean real returns will arrive evenly or the corpus cannot fall.
Does the calculator include tax on SWP withdrawals?
No. Tax is not charged on the full withdrawal automatically; the treatment depends on the redeemed units, gains, holding period and current tax rules.
What happens if the corpus runs out early?
The model stops full withdrawals once the balance can no longer fund the selected amount and reports the last fully sustained month.
Continue planning
Compare the next part of the decision.
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Retirement CalculatorEstimate the corpus you may need and the monthly investment required to reach it.
Lumpsum CalculatorEstimate the future value of a one-time investment.