SIP Calculator
Calculate long-term wealth accumulation and compound returns from monthly Systematic Investment Plans in mutual funds and index funds.
Systematic Investment Plans (SIPs) automatically buy more shares when markets dip and fewer when prices peak, smoothing volatility through disciplined monthly compounding.
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What Is a SIP Calculator?
A Systematic Investment Plan (SIP) allows investors to invest a fixed predetermined sum of money into mutual funds or index funds at regular monthly intervals. By investing consistently across market ups and downs, SIP leverages dollar-cost averaging (rupee-cost averaging) and exponential compound interest.
How to Use This Calculator
- Enter the monthly amount you plan to invest (Monthly Investment).
- Enter the expected annual rate of return (historical equity mutual funds typically range 10%–14%).
- Select your investment horizon in years.
- View total principal invested, estimated capital gains, total corpus at maturity, and your wealth multiplier.
SIP Future Value Annuity Formula
M = P \times \left[\frac{(1 + i)^n - 1}{i}\right] \times (1 + i)Where M is final maturity value, P is monthly installment, i is periodic monthly interest rate (Annual Rate / 12), and n is total number of monthly contributions (Tenure × 12).
Worked Example
Scenario: Investing $500 every month for 15 years at an expected 12% annual return.
Monthly deposit P = $500, monthly rate i = 0.12 / 12 = 0.01, total months n = 180.
Total Invested Capital: $500 × 180 = $90,000.
Future Value: $500 × [((1.01)^180 - 1) / 0.01] × 1.01 = $252,288.
Estimated Wealth Gain: $252,288 - $90,000 = $162,288.
Tips & Key Notes
- Start as early as possible: compounding accelerates dramatically in the later years of a 15-to-30-year horizon.
- Use step-up SIPs: increasing your monthly deposit by 5% to 10% each year as your salary grows can nearly double your final retirement corpus.
- Never stop your SIP during market downturns; market corrections allow your monthly contribution to buy more fund units at discounted prices.
Frequently Asked Questions
What is dollar-cost averaging in an SIP?
Dollar-cost averaging occurs when you invest a fixed sum at regular intervals. When market prices fall, your fixed installment buys more units; when prices rise, you buy fewer units. Over time, this lowers your average acquisition cost per unit without requiring market timing.
Can I change my SIP installment amount or pause it?
Yes. Most mutual fund asset management companies allow you to pause, increase, decrease, or terminate your monthly SIP mandates at any time without forfeiture of accrued capital.
Is SIP better than investing a lump sum?
SIP mitigates timing risk and market volatility, making it ideal for regular salaried earners. Lump sum investing can yield higher returns if deployed at a severe market bottom, but carries greater timing risk.
Are SIP returns guaranteed?
No. Mutual fund SIP investments are subject to market volatility and economic conditions. Expected return rates are educational estimates based on historical asset class performance.
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