Calculating your final value is straightforward once you know the SWP formula and what each input means. This guide explains the method in plain language, walks through a manual calculation, and gives worked examples you can follow — then you can do it instantly with the SWP Calculator.
What is SWP?
The SWP calculation tells you your final value from a few simple inputs. The figure you are solving for here is the final value, expressed in INR.
The SWP formula
This calculation combines several inputs through a multi-step method rather than a single one-line formula. Enter the values below and the calculator resolves each step in order. The inputs it needs are:
- Total investment — a money amount. Example: ₹10,00,000.
- Monthly withdrawal — a money amount. Example: ₹10,000.
- Expected return (p.a.) — a percentage, such as an annual rate. Example: 8%.
- Time period — a value you set on the slider. Example: 5 years.
How to calculate it step by step
- Write down the total investment (for example, ₹10,00,000).
- Write down the monthly withdrawal (for example, ₹10,000).
- Write down the expected return (p.a.) (for example, 8%).
- Note the time period (for example, 5 years).
- Apply the formula above to get your final value.
- Double-check the result with the SWP Calculator.
Worked examples
Example 1
| Input / Output | Value |
|---|---|
| Total investment | ₹10,00,000 |
| Monthly withdrawal | ₹10,000 |
| Expected return (p.a.) | 8% |
| Time period | 5 years |
| Final value | ₹7,55,077 |
| Total withdrawn | ₹6,00,000 |
| Amount invested | ₹10,00,000 |
With total investment of ₹10,00,000, monthly withdrawal of ₹10,000, expected return (p.a.) of 8% and time period of 5 years, the final value works out to ₹7,55,077.
Example 2
With total investment of ₹20,00,000, monthly withdrawal of ₹10,000, expected return (p.a.) of 8% and time period of 5 years, the final value works out to ₹22,44,923.
| Result | Value |
|---|---|
| Final value | ₹22,44,923 |
| Total withdrawn | ₹6,00,000 |
| Amount invested | ₹20,00,000 |
Example 3
With total investment of ₹5,00,000, monthly withdrawal of ₹10,000, expected return (p.a.) of 8% and time period of 5 years, the final value works out to ₹10,154.
| Result | Value |
|---|---|
| Final value | ₹10,154 |
| Total withdrawn | ₹6,00,000 |
| Amount invested | ₹5,00,000 |
Tips for an accurate result
- Keep your units consistent — mixing, say, months with years or grams with kilograms is the most common source of error.
- Round only at the very end. Rounding inputs early can shift the final answer noticeably.
- Re-run the numbers whenever an input changes, rather than estimating from an old result.
- Annual rates must be converted to the period you are calculating for (for example, divide an annual rate by 12 for a monthly figure).
Prefer not to do the maths by hand? — the SWP Calculator does it instantly, for free, with the formula and a worked example built in.
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