SWP Calculator: Systematic Withdrawal Plan & Monthly Income Planner
SWP Investment Calculator
Systematic Withdrawal & Pension Planner
Calculate how long your mutual fund or stock portfolio will last with regular monthly withdrawals. Optimize your retirement cash flow with inflation adjustment.
SWP Calculator
Corpus • Withdrawal • Growth
Enter your details and click
Calculate SWP to see results
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What is a Systematic Withdrawal Plan (SWP)?
A Systematic Withdrawal Plan (SWP) is a mutual fund and portfolio strategy that allows investors to withdraw a fixed sum of money at regular intervals (monthly, quarterly, or annually) from their accumulated investment corpus. It is the exact reverse of a Systematic Investment Plan (SIP) and is widely used for retirement pension planning, passive income generation, and tax-efficient cash flow management.
How to Use This SWP Calculator (Step-by-Step)
Select Currency & Corpus
Choose ₹ INR or $ USD and enter your total lump-sum portfolio size.
Set Monthly Payout
Enter the exact monthly income required for household or retirement needs.
Set Expected Return (%)
Input estimated annual returns (e.g., 7–9% for conservative hybrid, 10–12% for equity).
Account for Inflation
Optionally adjust payouts to increase each year with cost of living.
Analyze Longevity
View total sustainability, visual depletion trajectory, and the yearly ledger.
Mathematical SWP Formula & Mechanics
📐 Monthly Balance Recurrence Formula
Where:
- Bm = Ending corpus balance at month m
- Bm-1 = Beginning balance of the previous month
- r = Monthly expected return rate: Annual Rate / 12 / 100
- Wm = Systematic withdrawal amount in month m
📊 Finite Corpus Sustainability Annuity Formula (Present Value):
This determines the exact required corpus P to sustain a monthly withdrawal W for n months at monthly rate r.
SWP vs. Lump Sum vs. SIP Comparison
| Feature | Systematic Withdrawal (SWP) | Lump Sum Investment | Systematic Investment (SIP) |
|---|---|---|---|
| Cash Flow Direction | Outward (Monthly Cash Inflow to You) | One-time Inflow (Invest & Hold) | Inward (Periodic Dollar Inflow to Fund) |
| Primary Objective | Regular income & wealth distribution | Long-term wealth compounding | Disciplined wealth accumulation |
| Tax Treatment | Only gains portion is taxed (Capital gains) | Taxed on redemption/maturity | Taxed on redemption per unit tranche |
| Market Volatility Risk | Sequencing risk during bear markets | Single entry point timing risk | Rupee-cost averaging mitigates risk |
Key Benefits of an SWP for Retirees
- Tax Efficiency: Unlike Fixed Deposit interest or dividend payouts (which are fully taxable at your income slab), an SWP withdrawal consists of both principal and capital gains. You only pay capital gains tax on the profit component.
- Rupee Cost Realization: You redeem fewer mutual fund units when markets are high and more units when markets are down, maintaining a disciplined exit strategy.
- Tailored Liquidity: You can pause, stop, increase, or decrease your monthly withdrawal amount at any time without locking fees.