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Goal SIP Calculator

Investment

Have a number in mind? Enter your goal and horizon, and see exactly how much you need to invest each month through a SIP to get there.

In short: The Goal SIP Calculator is a free online tool that lets you find the monthly SIP needed to reach a financial goal by a target date — instantly, with charts, a worked example and the exact formula.

Your inputs

₹1,00,00,000
₹1L₹100Cr

The corpus you want to accumulate.

% p.a.
130
yrs
140

Required monthly SIP

₹19,819

Invest this every month to hit your goal.

Total invested

₹35,67,352

Wealth gained

₹64,32,648

From returns

Projected corpus growth

How your required SIP grows toward the target over time.

Year-wise growth

Year-wise growth
YearInvestedEst. returnsCorpus value
1₹2,37,823₹16,040₹2,53,863
2₹4,75,647₹64,276₹5,39,923
3₹7,13,470₹1,48,791₹8,62,262
4₹9,51,294₹2,74,187₹12,25,481
5₹11,89,117₹4,45,649₹16,34,766
6₹14,26,941₹6,69,018₹20,95,958
7₹16,64,764₹9,50,878₹26,15,642
8₹19,02,588₹12,98,646₹32,01,234
9₹21,40,411₹17,20,682₹38,61,093
10₹23,78,234₹22,26,405₹46,04,640

Assumes the required SIP is invested monthly at the expected return.

How the Goal SIP Calculator works

Formula

P = Target ÷ [ ((1 + r)ⁿ − 1) / r × (1 + r) ]
P
Required monthly SIP
Target
Corpus you want to reach
r
Monthly rate of return (annual ÷ 12 ÷ 100)
n
Total number of monthly instalments

Step-by-step calculation

Worked with the default values.

  1. 1

    Monthly rate (r)

    12% ÷ 12 ÷ 100

    = 0.01000

  2. 2

    Number of instalments (n)

    15 yrs × 12

    = 180

  3. 3

    Required monthly SIP

    P = Target ÷ [ ((1+r)ⁿ − 1) / r × (1+r) ]

    = ₹19,819

How it works

  • The calculator inverts the standard SIP maturity formula to solve for the monthly contribution.
  • It uses your target corpus, expected return and time horizon to work out the required SIP.
  • The chart then projects how that SIP compounds year by year until it reaches your goal.

Examples

Reach ₹1 crore in 15 years at 12% p.a.

Requires a SIP of roughly ₹19,800 per month.

Reach ₹50 lakh in 10 years at 12% p.a.

Requires a SIP of roughly ₹21,700 per month.

Understanding the Goal SIP Calculator

Investing with a destination in mind

Most people start investing by asking "how much can I put away each month?" A goal SIP flips that question around. You begin with a specific target and deadline — ₹1 crore for retirement in 15 years, ₹25 lakh for a child's education in 10 years — and the calculator works backwards to tell you the exact monthly SIP required to get there. This is the difference between hoping you'll have enough and knowing what it takes.

The engine simply inverts the standard SIP maturity formula, solving for the monthly contribution instead of the final corpus. Feed it your goal, your expected return, and your horizon, and it returns the number you need to invest every month.

Why inflation cannot be ignored

The single biggest mistake in goal planning is targeting today's cost of a future expense. Prices rise, and over long horizons the effect is severe. A goal that costs ₹50 lakh today could cost around ₹90 lakh in 12 years at 6% inflation. If you plan for ₹50 lakh, you will fall short by nearly half in real terms.

The fix is simple: inflate your goal to its future value first, then calculate the required SIP against that larger number. It will demand a bigger monthly investment, but it is the only figure that actually protects your purchasing power.

Getting the assumptions right

Your required SIP is only as reliable as the return you assume. A few principles:

  • Be conservative. For long-term equity SIPs, 10–11% p.a. is a sensible planning figure. Assuming 14% may make the SIP look affordable but leave you exposed if markets disappoint.
  • Match funds to horizon. Equity or aggressive hybrid funds suit goals 7+ years out; shift toward balanced or debt funds as a shorter goal approaches to protect what you've built.
  • Separate your goals. Run a distinct SIP for each objective so you can see clearly whether any single goal is on track.

Staying on course

A goal SIP is not a set-and-forget exercise. Review your progress once a year. If returns have lagged or your target has grown, top up the SIP to stay aligned. If your income has risen, a step-up SIP lets you start smaller and still reach the same destination. The discipline of checking in — and adjusting — is what turns the calculator's number into an achieved goal.

Pros

  • Turns a vague ambition into a precise, actionable monthly number.
  • Keeps your investing anchored to a real objective, improving discipline and follow-through.
  • Makes trade-offs clear — you can instantly see how extending the horizon lowers the required SIP.
  • Works for any life goal, from a home down payment to a child’s education or retirement.

Cons

  • Relies on an assumed return that markets may not actually deliver.
  • Ignores inflation unless you inflate the target yourself, risking a real-terms shortfall.
  • A single fixed SIP may feel unaffordable for large goals on short horizons.

Tips

  • 1Inflate your target to its future cost before calculating, especially for goals over five years away.
  • 2Assume a conservative return (10–11% for equity) so you are pleasantly surprised, not caught short.
  • 3Run a separate goal SIP for each objective to track them independently.
  • 4Review progress once a year and top up the SIP if returns or income have shifted.
  • 5For long goals, use a step-up SIP so a smaller start still reaches the target.

Frequently asked questions

Everything you need to know about the Goal SIP Calculator.

What is a goal-based SIP?
A goal-based SIP starts from a specific financial target — like a home down payment or retirement corpus — and calculates the monthly investment needed to reach it in your chosen timeframe.
What return rate should I assume?
For long-term equity SIPs, 11–13% p.a. is a common assumption. Use a conservative figure and revisit the plan periodically as markets move.
What if I cannot invest the required amount?
Either extend your time horizon, choose a slightly higher-return (higher-risk) allocation, or consider a step-up SIP that increases your contribution each year.
Should I factor inflation into my goal amount?
Yes, for goals more than a few years away. A ₹50 lakh goal today may cost ₹90 lakh in 12 years at 6% inflation, so inflate your target first and then calculate the required SIP against that future figure.
How is a goal SIP different from a regular SIP?
A regular SIP starts from how much you can invest and shows where you end up. A goal SIP works backwards from a fixed target and horizon to tell you exactly how much you must invest each month to get there.
What if my investments underperform the assumed return?
Your corpus will fall short of the goal. Build in a buffer by assuming a conservative return, reviewing progress annually, and topping up your SIP if returns lag your plan.
Can I use one SIP for multiple goals?
It is cleaner to run a separate SIP for each goal so you can track progress and match the fund choice to each goal’s horizon. Mixing goals in one SIP makes it hard to know if any single goal is on track.
Which funds suit a goal-based SIP?
For goals over 7 years, equity or aggressive hybrid funds are common. For shorter goals of 3–5 years, lean toward balanced or debt funds to protect capital as the deadline nears.
Should I increase my SIP as my income grows?
Yes. Stepping up your contribution each year lets you reach the same goal with a lower starting amount, or hit a larger goal in the same timeframe. A step-up SIP automates this.

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