SWP Calculator
Enter your corpus, monthly withdrawal, and expected return to see exactly how long your money lasts — and the year-by-year depletion trajectory.
SWP Calculator
Calculate how long your corpus lasts with a Systematic Withdrawal Plan.
About SWP Calculator
A Systematic Withdrawal Plan (SWP) is the opposite of a SIP. Instead of investing a fixed amount every month, you withdraw a fixed amount from your mutual fund corpus every month while the remaining balance continues to earn returns. SWP is widely used in retirement planning — retirees park their corpus in debt or hybrid mutual funds and set up an SWP to generate a regular monthly income stream. The key question it answers is: how long will my money last?
The mathematics of SWP involves two competing forces: your corpus grows every month at the fund's return rate, but shrinks with each withdrawal. If the monthly return on your corpus (corpus × annual rate ÷ 12) is higher than your monthly withdrawal, the corpus never depletes — it actually grows over time. This is the "self-sustaining SWP" scenario. If monthly returns are lower than withdrawals, the corpus depletes — and this calculator tells you exactly when it runs out.
The sustainability of an SWP depends critically on the withdrawal rate as a percentage of the corpus. Financial planners in India typically recommend a 4%–6% annual withdrawal rate (i.e., withdraw 4%–6% of corpus per year, split into monthly payments) as a safe starting point. On a ₹1 crore corpus at 6% withdrawal rate, you withdraw ₹50,000/month — and if the fund earns 10% p.a., the corpus grows over time. At 12% withdrawal (₹1L/month from ₹1Cr), the corpus depletes in under 10 years.
The year-wise corpus table in this calculator is important for realistic planning. Even when a corpus eventually depletes, the pattern of depletion matters. A corpus that stays near its original value for 15 years then falls sharply in the last 5 years gives you a very different planning horizon than one that declines steadily from year 1. The table shows the annual corpus balance so you can see the trajectory clearly and adjust withdrawal rates or fund allocation accordingly.
How to Use the SWP Calculator
Enter your corpus amount — the total accumulated mutual fund value from which you plan to set up the SWP. Use your current or projected retirement corpus.
Set the monthly withdrawal — the fixed amount you want to withdraw every month. This should cover your living expenses minus any other income (pension, rental, etc.).
Set the expected return rate — the p.a. return you expect from the fund where the corpus is invested. Use 8%–10% for balanced/hybrid funds, 6%–8% for debt funds, 12%–14% for equity funds (with higher volatility).
Check the result — if the corpus is self-sustaining (returns exceed withdrawal), the calculator shows ∞. Otherwise it shows years and months until depletion along with total amount withdrawn.
Use the year-wise table — review the corpus balance at the end of each year to understand the depletion trajectory. If the corpus drops below 50% in the early years, consider reducing withdrawals.
Pro Tips
The ideal scenario is when your monthly corpus return (corpus × rate ÷ 12) equals or exceeds your monthly withdrawal. If your ₹2Cr corpus earns 10% p.a., it generates ₹1.67L/month. Withdrawing ₹1L/month is self-sustaining — the corpus actually grows. Withdrawing ₹2L/month depletes it in about 15 years.
A fixed ₹50,000/month withdrawal loses purchasing power every year due to inflation. After 15 years at 6% inflation, that ₹50,000 buys what ₹20,900 buys today. Consider increasing your SWP by 5%–8% annually (step-up SWP) to maintain real income. Check with your fund house if step-up SWP is available — many allow it.
SWP from equity funds is risky because market downturns can simultaneously reduce your corpus value and your monthly return. If the market falls 30% in year 1 of retirement and you keep withdrawing, you sell units at low NAVs — this permanently impairs recovery. Parking the SWP corpus in short-duration debt funds or liquid funds gives stable returns without sequence-of-returns risk.
Frequently Asked Questions
What is a Systematic Withdrawal Plan (SWP)?
SWP is a facility offered by mutual funds where you can automatically redeem (withdraw) a fixed number of units or a fixed rupee amount from your investment at a fixed frequency (monthly, quarterly, etc.). The withdrawn amount is credited directly to your bank account. Unlike a fixed deposit or pension, the amount you receive is not guaranteed — it depends on the NAV at the time of redemption. However, if your fund earns more than your withdrawal rate, the corpus grows even while you withdraw, making it superior to fixed income instruments for long-term income planning.
What withdrawal rate is safe for an SWP?
Financial planners generally recommend the "4% rule" — withdraw 4% of your corpus annually, split monthly. On ₹1 crore, this means withdrawing ₹33,333/month. This rate is considered sustainable for 25–30 years when the underlying portfolio earns 8%–10% p.a. For Indian retirees targeting a 20-year horizon with 10% returns, even 6% annual withdrawal (₹50,000/month on ₹1Cr) is sustainable. Anything above 8%–10% annual withdrawal starts depleting the corpus within 10–15 years in most return scenarios.
Is SWP income taxable?
SWP redemptions are subject to capital gains tax. If the mutual fund units being redeemed have been held for more than 1 year (for equity funds) or 3 years (for debt funds), long-term capital gains tax applies. For equity funds: 12.5% LTCG on gains above ₹1.25 lakh/year. For debt funds: taxed at slab rate (no indexation benefit from April 2023). Each monthly redemption is treated as a separate transaction on a FIFO basis for taxation. SWP from debt funds may be more tax-efficient for retirees in the 5%–10% tax slab versus fixed deposits taxed at full slab rate.
What happens if the market falls during my SWP?
If your corpus is in an equity fund and the market falls 20% in a given year, your corpus drops by 20% and your monthly return also drops — but you keep withdrawing the same fixed amount. This means you sell more units at a lower price, permanently reducing your ability to recover when markets bounce back. This is called "sequence-of-returns risk." The mitigation: (1) Keep SWP corpus in debt/hybrid funds, not pure equity; (2) Maintain a 6–12 month cash buffer so you can temporarily pause the SWP in a crash; (3) Use a "bucket strategy" — keep 2 years of expenses in liquid funds, next 5 years in debt funds, remainder in equity.
Can I stop or change my SWP mid-way?
Yes. SWP is completely flexible — you can increase, decrease, pause, or stop it at any time by submitting a request to your fund house or AMC (typically 3–5 business days processing time). There is no lock-in, no penalty for stopping, and no restriction on how often you can change it. This flexibility makes SWP significantly more adaptable than annuities or pension products, which are typically locked in for life once purchased. Many retirees adjust their SWP amount every 1–3 years based on inflation and changing living expenses.
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