An SWP Calculator helps you plan a Systematic Withdrawal Plan by showing how regular withdrawals from your mutual fund investment affect your remaining corpus over time. Instead of guessing whether your withdrawal amount is sustainable, you get a clear projection of your total withdrawals and the balance left at the end of your chosen period.
Inputs you need to provide:
- Total Investment — the lumpsum corpus you’re withdrawing from
- Withdrawal per Month — the fixed amount you plan to withdraw each month
- Expected Return Rate (% p.a.) — the annual growth rate you expect on the remaining balance
- Time Period (Years) — how long you plan to continue withdrawals
The calculator instantly shows your total investment, the total amount withdrawn over the period, and the final value remaining in your investment at the end of the tenure.
What Is a Systematic Withdrawal Plan (SWP)?
A Systematic Withdrawal Plan lets you withdraw a fixed amount from your mutual fund investment at regular intervals — typically monthly — while the rest of your corpus stays invested and continues to earn returns. It works in the opposite direction of a SIP: instead of putting money in periodically, you’re taking money out periodically.
SWPs are commonly used to create a steady income stream — for retirees drawing on their savings, for anyone supplementing a salary, or for meeting a recurring expense — without redeeming the entire investment in one go.
Why Use an SWP Calculator?
- Check whether your chosen withdrawal amount is sustainable over your target period
- See exactly how much corpus will remain at the end of the withdrawal period
- Compare different withdrawal amounts and return assumptions before committing
- Plan retirement income or a recurring expense with more confidence
- Avoid depleting your investment faster than expected
SWP Calculator Formula
Each month, your remaining balance grows at the expected monthly rate of return and is then reduced by that month’s withdrawal. This is repeated for every month in the tenure:
Balance(month) = Balance(previous month) × (1 + i) − W
Where:
- Balance(previous month) = Corpus remaining at the start of that month (the very first month starts with your total investment)
- i = Expected monthly rate of return (annual rate ÷ 12)
- W = Fixed monthly withdrawal amount
Running this month by month across the full tenure gives the final remaining balance. Total Withdrawal is simply W multiplied by the number of months in the withdrawal period.
Example Calculation
Suppose an investor sets up an SWP with the following details:
| Input | Value |
|---|---|
| Total Investment | ₹12,00,000 |
| Withdrawal per Month | ₹12,000 |
| Expected Annual Return | 9% |
| Time Period | 10 years |
Running the month-by-month calculation over 10 years (120 months):
| Result | Amount |
|---|---|
| Total Investment | ₹12,00,000 |
| Total Withdrawal (over 10 years) | ₹14,40,000 |
| Final Value (remaining balance) | ₹6,19,457 |
In this example, the investor withdraws more than their original investment (₹14,40,000 against a ₹12,00,000 corpus) over 10 years, yet still has roughly ₹6,19,457 left at the end — because the remaining balance kept earning returns throughout the withdrawal period.
FAQs on SWP Calculator
What does an SWP Calculator show?
It shows how a fixed monthly withdrawal from your mutual fund corpus plays out over time — your total investment, the total amount withdrawn, and the balance remaining at the end of your chosen tenure.
Can my SWP corpus run out before the end of the period?
Yes, if your withdrawal amount is too high relative to your returns, the balance can hit zero before your chosen tenure ends. Testing different withdrawal amounts in the calculator helps you find a sustainable rate.
What withdrawal amount is considered safe?
There’s no universal number, but many investors aim to withdraw at a rate close to or below their expected annual return, so the corpus has a better chance of lasting or even growing over time. Your own goals, tenure, and risk tolerance should guide the final figure.
Is SWP better than a fixed monthly income product?
It depends on your priorities. An SWP keeps your money market-linked, so both your remaining balance and future withdrawals can fluctuate with fund performance, unlike a fixed-income product with guaranteed payouts. In exchange, an SWP offers the potential for higher long-term returns and more flexibility to change or stop withdrawals anytime.
Are SWP withdrawals taxed?
Each SWP withdrawal is treated as a partial redemption of mutual fund units, so only the gain portion of that withdrawal is subject to capital gains tax, not the entire amount. Tax treatment varies by fund type and holding period, so it’s worth checking current rules or consulting a tax advisor for your specific case.
Can I change my withdrawal amount later?
Yes, most mutual fund platforms let you modify, pause, or stop an SWP instruction at any time. The calculator only helps you project outcomes for planning — it doesn’t lock you into a fixed plan.
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