Step-Up SWP Calculator

Estimate systematic withdrawal plan sustainability with annual step-ups to match inflation or cost of living increases.

Parameters
₹
₹Mo
%
%
Yrs
Yrs
Calculated Results
Remaining Corpus-
Total Payouts-
Corpus Lifespan-
Compounding
Visual Projection
Invested
Corpus
Yearly Breakdowns
YearBeginning BalanceWithdrawnInterest EarnedEnding Balance
1    
2    
3    
4    
5    
6    
7    
8    
9    
10    
11    
12    
13    
14    
15    
16    
17    
18    
19    
20    

Step-Up SWP: Withdrawals That Keep Pace With Inflation

A step-up SWP raises the monthly withdrawal by a fixed percentage every year, most often set close to inflation, which is why this calculator defaults to 6%. The logic is simple: at 6% inflation, the basket that costs ₹30,000 a month today will cost about ₹40,100 in five years and about ₹53,700 in ten, so a level withdrawal quietly loses purchasing power even though the rupee amount never changes. Increasing the payout annually is how it keeps its real value; the what an SWP is guide covers the withdrawal mechanics and the inflation glossary entry explains the erosion being offset.

The trade-off is that the corpus has to work harder, and the projection shows it. On the defaults, ₹50 lakh paying ₹30,000 a month that rises 6% a year is exhausted in year 19 at a 9% return, with the withdrawal reaching about ₹50,700 a month by year 10. A larger corpus stretches much further: ₹1 crore paying ₹40,000 with the same 6% step-up lasts about three decades before the increases outrun the portfolio, even though the payout grows past ₹1.2 lakh a month by year 20.

Use the calculator to stress-test a retirement payout: try step-up rates of 5%, 6% and 7% and watch the depletion year move, since a household's own basket (dominated by rent, school fees or medical costs) can run hotter or cooler than headline CPI. Work out the starting corpus for a level income in the reverse SWP calculator, compare the no-step-up alternative in the plain SWP calculator, and if you are still accumulating, size the whole plan in the retirement planner.

Popular Step-Up SWP Calculations

Click on any of the popular search scenarios below to load the calculator with pre-configured values:

Frequently Asked Questions

What is a step-up SWP?
It is a systematic withdrawal plan in which the payout increases by a fixed percentage every year instead of staying flat. The step-up is usually chosen to match inflation, so ₹30,000 a month today becomes about ₹40,100 in five years at a 6% annual increase, roughly the same purchasing power, not a raise. Without the step-up, the same withdrawal buys steadily less each year.
How much should the withdrawal increase each year?
At least the rate at which your own cost of living rises, which is not always headline CPI, medical, rent and education costs can move faster. The calculator defaults to 6% because that is a common long-run assumption for Indian inflation. The rate matters: in the ₹1 crore example, moving from a 6% to a 7% annual step-up pulls the projected depletion year forward by about five years.
Can a step-up SWP run out of money?
Yes, if the withdrawals plus their annual increases outgrow the portfolio's returns. On the defaults here (₹50 lakh paying ₹30,000 a month rising 6% a year at a 9% return) the corpus is exhausted in year 19 of the projection. A corpus that is comfortably larger relative to the payout pushes exhaustion much further out, and the calculator reports the depletion year for every scenario you test.
What portfolio return is reasonable for an SWP?
Because the money is being spent down, plans usually assume a more conservative, balanced portfolio than during accumulation, commonly around 8-9% a year for a mix of equity and debt, rather than the double-digit rate used for long-term growth. The flat return in the projection is an average, not a sequence, so it is worth testing a lower rate as well to see how much margin the plan has.

Formula & Mathematical Approach

Simulates an SWP where the withdrawal amount increases annually by a step-up rate to combat inflation.

Monthly Withdrawal in Year y=Initial Monthly Withdrawal×(1+Step-up %100)y−1\text{Monthly Withdrawal in Year } y = \text{Initial Monthly Withdrawal} \times \left(1 + \frac{\text{Step-up \%}}{100}\right)^{y - 1}
Remaining Corpus is simulated month-by-month incorporating annual step-ups\text{Remaining Corpus is simulated month-by-month incorporating annual step-ups}
Show Plain Text / Excel Formula
Withdrawal (Year y) = Initial Withdrawal * (1 + Step-up % / 100) ^ (y - 1)
Remaining corpus simulated using monthly loops with annual withdrawal increases.

Key Assumptions

  • The withdrawal amount increases once at the start of each new year.
  • Withdrawals are executed at the beginning of each month.
  • Pre-defined return rate is constant.