Insights Page/Mutual Funds

SWP Calculator: How It Works, Formula and a Worked Example

Plan fixed monthly withdrawals from your investment corpus. Here is the formula, a worked example, the mistakes to avoid, and a free calculator with a downloadable PDF report.

Abhishek sharma
Editorial Lead
Updated September 17, 2026
4 Min Read

Most people meet the swp calculator the same way — someone quotes a number, it sounds reasonable, and there is no easy way to check it. That is exactly the gap this guide closes. By the end of it you will know what the number is made of, where it usually goes wrong, and you will have run your own figures through our free swp calculator.

Cover image slot — add a screenshot or illustration from Admin → Blog when it is ready.

Prefer to start with your own figures? Use the SWP Calculator now, or continue for the formula and a worked example.

What is going on behind the number

Systematic Withdrawal Plan allows you to withdraw a fixed amount regularly while the remaining balance continues to grow.

The formula behind it:

Remaining = (Corpus - Withdrawal) * (1 + r)
Symbol What it means
C Initial Corpus
W Monthly Withdrawal

Nothing is rounded away quietly and nothing is assumed on your behalf. If a figure appears in the result, it came from something you entered.

An example, start to finish

₹50L corpus, ₹30k monthly withdrawal at 8% return lasts for many years.

Change any one input and watch the result move — that sensitivity is the real lesson. It is far more useful than memorising a single outcome, because your own rate, tenure or contribution will never match the example exactly.

Using the SWP Calculator, step by step

  1. Open the SWP Calculator.
  2. Enter your figures. Use the ones on your statement, sanction letter or scheme document rather than a remembered number.
  3. Read the result card — the headline figure plus the breakdown that produced it.
  4. Adjust one input at a time to see what genuinely moves the outcome.
  5. Tap Download PDF to keep a copy of the calculation, with your inputs and assumptions printed on it.

The PDF takes a few seconds to build because it is a properly typeset report, not a screenshot. You will see a progress message while it is being prepared, and the download starts on its own.

What experienced users do differently

  • Ideal for generating regular income post-retirement.

Mistakes we see again and again

  • Withdrawing more than the generated returns (depleting principal too fast).

If you want to go a level deeper afterwards, read up on safe withdrawal rates. Both come up the moment you start comparing options seriously.

Interactive calculator

Try the SWP Calculator

Enter your own figures below. The same calculator and PDF report remain available on the focused calculator page.

%
Yrs

Scenario Analysis (Assumed Returns)

Conservative

10%

13,00,000

Base

12%

13,80,000

Higher

14%

15,00,000

Labels are estimates based on your base rate (12%).

Remaining Corpus

₹0

Initial Principal

₹10,00,000

Total Withdrawn

₹13,80,000

Portfolio Mix

Remaining
Withdrawn

Growth Curve

You start with a corpus of ₹10,00,000 and withdraw ₹20,000 every month for 20 years. At an estimated 12% annual return, you withdraw a total of ₹13,80,000 and have a remaining balance of ₹0.

Next Architectural Steps

Open the full calculator

What else you will find on VIA Capital

The calculator is one corner of a much bigger free toolkit. While you are here:

New tools and sections go live regularly, and each one gets written up here the same way.

Questions people ask us

Is the SWP Calculator free to use? Yes. Every calculator on VIA Capital is free, works without a login, and nothing you type is stored on our servers.

How accurate is it? The arithmetic is exact — it is the formula shown above, nothing hidden. Accuracy of the answer depends on your inputs. Rates, tenures and charges change, so use the figures from your own statement or sanction letter rather than a number you remember.

Can I save or share the result? You can download a formatted PDF report of your calculation and share it with your family, your CA or your bank. The download link sits right under the result.

Does it work on a phone? It does. The swp calculator is built mobile-first, which is how most people in India actually search for "swp".

Is this investment advice? No. VIA Capital is an education platform. We show you the maths and the assumptions; the decision, and the responsibility for it, stays with you. For anything personalised, speak to a SEBI-registered professional.

The short version

Plan fixed monthly withdrawals from your investment corpus. The formula is public, the assumptions are printed on the page, and the calculation is yours to keep as a PDF.

👉 Run your own numbers in the SWP Calculator

VIA Capital publishes financial education only. Nothing here is investment advice or a personalised recommendation, and no calculator output should be treated as a promise of returns.

Educational content only. Educational content only. Not investment advice or a personalised recommendation.

Written by

Abhishek sharma

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