Goal SIP Calculator
Find the monthly SIP you need to reach a target amount by a target date.
₹19,819
invested every month to reach ₹1,00,00,000.
You invest
₹35,67,352
Est. growth
₹64,32,648
How the Goal SIP Calculator works
Reviewed by Dinesh Babu · Last updated July 2026
Instead of guessing how much to invest, a goal SIP works backwards from your target: you tell it the amount you want and when you want it, and it calculates the exact monthly SIP needed at your expected return. This turns a vague intention into a concrete monthly number.
It is the practical way to plan for real goals such as a home down payment, a child's education, or a ₹1 crore retirement corpus. By anchoring your investing to a specific goal and deadline, you avoid both under-saving and the paralysis of not knowing where to start.
The required SIP depends heavily on the return you assume, which is only an estimate. Use a realistic, slightly conservative figure so you are more likely to reach the goal rather than fall short.
Required monthly SIP
SIP = FV × i / [ ((1 + i)ⁿ − 1) × (1 + i) ]
FV = target amount, i = monthly return, n = months.
Why goal-based investing works
A goal gives your investing a purpose and a deadline, which makes it far easier to stay disciplined through market ups and downs. When a fall happens, you are anchored to the target date rather than tempted to react to the headlines.
It also lets you plan several goals at once, each with its own SIP, so short-term needs and long-term dreams do not compete blindly for the same money.
Adjust the plan to fit your budget
- If the required SIP is too high, extend the time frame so compounding does more of the work.
- Start with what you can afford and use a step-up SIP to grow it toward the target amount.
- For distant goals, remember to size the target in future rupees, since inflation raises the real cost.
₹1 crore in 20 years at 12%
Reaching ₹1 crore in 20 years at 12 percent needs about ₹10,000 a month. Over the full period you would invest roughly ₹24 lakh of your own money, and compounding supplies the other ₹76 lakh.
The same ₹1 crore in only 15 years
Shorten the horizon to 15 years and the required SIP jumps to about ₹19,800 a month, nearly double. Fewer years means less time for compounding to help, so you must supply far more yourself. Starting early is the cheapest way to hit a goal.
Common mistakes to avoid
- Setting a target in today's money without adjusting for inflation, so the corpus falls short in real terms.
- Assuming an unrealistically high return, which makes the required SIP look deceptively small.
- Leaving the goal too late, so the required monthly amount becomes unaffordable.
- Using an equity-based return assumption for a goal only two or three years away, which is too risky.
- Setting the goal and never reviewing whether you are still on track.
Frequently asked questions
How does a goal SIP work?+
You enter your target amount, time frame, and expected return, and the calculator solves for the monthly investment that reaches that target. It removes the guesswork of picking an arbitrary SIP amount.
What return should I assume for a goal SIP?+
For long goals pursued through equity funds, around 12 percent is a reasonable long-run assumption; for shorter goals, use lower and safer estimates. Being conservative gives a margin of safety and reduces the risk of falling short.
What if I cannot invest the required amount?+
Extend the time frame so compounding does more of the work, start smaller and increase the amount with a step-up SIP, or aim for a slightly smaller target. The calculator lets you test each option instantly.
Should I adjust my goal for inflation?+
Yes, especially for distant goals. Something that costs ₹1 crore today could cost far more in 20 years, so set your target in future rupees. Our Inflation Calculator can help you estimate the future cost.
Can I plan for several goals at once?+
Yes. Run the calculator separately for each goal, such as a car in three years and retirement in 25, and total the SIPs. Keeping goals separate stops short-term needs from raiding your long-term investments.
Why does starting earlier reduce the required SIP so much?+
More years give compounding more time to contribute, so you have to supply less yourself. Reaching ₹1 crore in 20 years needs about ₹10,000 a month, but only 15 years needs nearly ₹19,800, almost double, for the same goal.