A Goal SIP Calculator works in reverse from a regular SIP calculator — instead of projecting what your SIP will grow into, it tells you exactly how much you need to invest every month to reach a specific financial target. Whether your goal is a ₹1 crore retirement fund, a house down payment, or your child's college fees, this tool gives you a precise monthly investment figure.
How Is the Required SIP Amount Calculated?
The formula is the reverse of the SIP maturity formula: Monthly SIP = FV × r / [(1+r)^n − 1] / (1+r), where FV is your target corpus, r is the monthly rate (annual return ÷ 12 ÷ 100), and n is the number of months. The earlier you start, the smaller the monthly SIP needed — this is the power of compound interest working in your favour.
Setting Realistic Financial Goals
Adjust your goal amount for inflation. If you need ₹50 lakh in today's money for a home down payment 10 years from now, at 6% inflation, the equivalent is ₹89.5 lakh. Similarly, a retirement corpus should be calculated at your expected retirement age, not today's expenses. Use the Inflation Calculator alongside the Goal SIP Calculator for accurate planning.
What Return Rate Should You Assume?
For equity mutual funds over 10+ years, 10–12% CAGR is a reasonable planning assumption. For debt funds, use 7–8%. For a mixed goal (5–7 year horizon), 9–10% is prudent. Always use conservative estimates — it is better to be pleasantly surprised than to fall short of your goal.
Frequently Asked Questions
What if I cannot afford the required SIP amount?
You have two levers: increase the time horizon (more years = lower monthly SIP) or lower the goal amount. You can also use a Step-Up SIP, starting with an affordable amount and increasing it by 10–15% each year as your income grows.
Can I use the Goal SIP Calculator for multiple goals?
Yes. Calculate the required SIP for each goal separately, then sum them up to see your total monthly investment commitment. This is the basis of goal-based financial planning.
What is the difference between Goal SIP and regular SIP calculators?
A regular SIP calculator projects the future value of a fixed monthly investment. A Goal SIP calculator works backwards — given a target amount and timeline, it calculates the monthly investment needed. Both use the same compounding formula, just solving for different variables.