SIP (Systematic Investment Plan) returns are calculated using the future value of an annuity formula. Each monthly installment earns compound returns for its remaining tenure. This formula accounts for the time value of money and assumes the same rate of return throughout the investment period.

How the calculation works

M = P × ((1 + r)^n - 1) / r × (1 + r)

Where:
M = Maturity Amount
P = Monthly Investment Amount
r = Monthly Rate of Return (Annual Return ÷ 12 ÷ 100)
n = Total Number of Months (Years × 12)

A quick example

Let us calculate the returns for a typical SIP investment:

Monthly Investment:₹10,000

Expected Annual Return:12%

Investment Period:15 years

Step by step

1.Monthly return rate r = 12% ÷ 12 ÷ 100 = 0.01
2.Total months n = 15 × 12 = 180 months
3.Apply the formula: M = 10,000 × ((1 + 0.01)^180 - 1) / 0.01 × (1 + 0.01)
4.M = 10,000 × (5.9958 - 1) / 0.01 × 1.01
5.M = 10,000 × 499.58 × 1.01
6.Total invested = ₹10,000 × 180 = ₹18,00,000

So the answer is: Maturity Amount ≈ ₹50,45,800 | Total Returns ≈ ₹32,45,800 (180% return)

Frequently Asked Questions

What is SIP?

SIP (Systematic Investment Plan) is a method of investing a fixed amount in mutual funds at regular intervals, usually monthly. It helps in rupee cost averaging and compounding.

What is a good SIP return rate?

Historically, equity mutual funds have delivered 12-15% annual returns over the long term (10+ years). Debt funds typically return 6-9% annually.

Can I start SIP with ₹500?

Yes, most mutual funds allow SIP starting from ₹500 per month. Some fund houses have even lower minimums.

What is the difference between SIP and lumpsum?

SIP invests a fixed amount regularly over time, while lumpsum is a one-time investment. SIP reduces timing risk through rupee cost averaging.

How is SIP return calculated?

SIP returns are calculated using the formula: M = P × ((1+r)^n - 1) / r × (1+r), where P is monthly investment, r is monthly return rate, and n is number of months.