What is an SWP?
A Systematic Withdrawal Plan, or SWP, is the mirror image of a SIP. Instead of investing a fixed amount every month, you withdraw a fixed amount from your mutual fund every month. The rest of the corpus stays invested and keeps earning.
This is one of the most common ways to draw a monthly income in retirement from a corpus you have built over your working years.
How Does the SWP Calculator Work?
Every month, your corpus earns returns and pays out your withdrawal. If you withdraw more than the corpus earns, the balance shrinks, and the calculator shows you exactly when it would run out. As an example, ₹1 crore earning 8% can support about ₹66,000 a month indefinitely in theory. In practice returns fluctuate, so most planners test withdrawal rates of 4% to 6% of the corpus per year to be safe.
Why Retirees Like SWP
Three reasons come up again and again. Only the units you actually sell are taxed, as capital gains, which is often gentler than paying slab-rate tax on FD interest for the same monthly cash flow. The remaining corpus keeps compounding, unlike money handed over for an annuity. And the withdrawals are completely flexible: you can raise, lower, pause or stop them whenever you need.
The One Big Risk: Bad Years Coming First
Averages can mislead here. A corpus that earns 8% on average can still run out early if the poor market years come at the start, because your withdrawals during a downturn sell more units at low prices. Two portfolios with the same average return but opposite orderings can differ by a decade of longevity. This is called sequence risk.
The defences are practical. Keep two to three years of withdrawals in a liquid or debt fund so market falls never force you to sell equity cheap. Start with a withdrawal rate below 5% a year. And after a deeply negative year, skip the inflation top-up on your withdrawal if you can manage it.
How to Set Up a Retirement SWP
A structure that works well for many retirees: split the corpus into a debt bucket for the next few years of withdrawals and a growth bucket for the later years. Run the SWP from the debt or hybrid fund, and refill that bucket from the growth bucket during good markets. Once a year, put the remaining corpus back into this calculator and check that your withdrawal rate still looks sustainable. It takes half a minute and catches problems early.
Mutual fund investments are subject to market risks. Read all scheme related documents carefully. This calculator is an educational tool, not investment advice.