The fixed amount you invest every month.
Your own assumption, not a promised or guaranteed return.
How many years you plan to keep investing.
Quick examples
Investing ₹10,000/month for 10 years at an assumed 12% annual return.
What each result means
Total invested
What it is: Every monthly instalment added together.
Your value: ₹12,00,000
Money that came from your pocket, before growth.
Estimated returns
What it is: Projected growth on top of what you invested, at your assumed return.
Your value: ₹11,23,391
The growth part — not guaranteed.
Maturity value
What it is: Total invested plus estimated returns at the end of the period.
Your value: ₹23,23,391
The headline projection.
Returns share of value
What it is: What portion of the final value is growth rather than your own money.
Your value: 48.4%
This share rises the longer you stay invested.
Wealth gain multiple
What it is: Maturity value divided by total invested.
Your value: 1.94×
2× means your money doubled under your assumption.
Year-by-year breakdown
| Year | Invested this year (₹) | Total invested (₹) | Estimated returns (₹) | Value at year end (₹) |
|---|---|---|---|---|
| 1 | ₹1,20,000 | ₹1,20,000 | ₹8,093 | ₹1,28,093 |
| 2 | ₹1,20,000 | ₹2,40,000 | ₹32,432 | ₹2,72,432 |
| 3 | ₹1,20,000 | ₹3,60,000 | ₹75,076 | ₹4,35,076 |
How to read this: each row is one year. The value column shows what your SIP could be worth at the end of that year if growth matched your assumed return. The highlighted row is your final year.
Showing the first 3 of 10 years. Want charts, formulas and the full schedule? Get the detailed PDF.
What this calculator does
A Systematic Investment Plan (SIP) invests the same amount every month. This calculator grows each monthly instalment at your assumed annual return, compounded monthly, and shows the corpus you could build by the end of your chosen period.
What your result means
The maturity value is a projection based on your own numbers, not a promised outcome. A higher monthly amount, a higher assumed return or a longer duration all raise it. Because later years compound on a larger base, the final few years usually add the most growth.
Formula
1. Future value of a monthly SIP
Symbols
- FV
- Maturity value (₹)
- P
- Monthly SIP (₹)
- i
- Monthly return = annual return ÷ 12 (decimal)
- n
- Number of monthly instalments = years × 12
Why this formula works
Each instalment compounds for the months left until maturity. Adding them gives a geometric series whose sum is the bracketed term; the extra × (1 + i) reflects investing at the start of each month.
Unit check
₹ = ₹ × (no unit) — the bracket and (1 + i) are pure ratios. ✓
Worked example
P = ₹10,000, 12% → i = 0.01, 10 years → n = 120: FV = 10,000 × [((1.01)¹²⁰ − 1) ÷ 0.01] × 1.01 ≈ ₹23,23,391.
Common mistakes
Using the annual rate instead of the monthly rate. Using years instead of months for n. Leaving out × (1 + i).
Working for your numbers
- Monthly return i = 12% ÷ 12 = 0.010000
- Instalments n = 10 × 12 = 120
- Growth factor [((1 + i)ⁿ − 1) ÷ i] × (1 + i) = 232.3391
- FV = ₹10,000 × 232.3391 = ₹23,23,391
- Total invested = ₹10,000 × 120 = ₹12,00,000
- Estimated returns = ₹23,23,391 − ₹12,00,000 = ₹11,23,391
Frequently asked questions
Why do the last few years add the most value?
Compounding works on the balance you already have. By the later years the balance is large, so the same percentage return adds far more rupees than in the early years.
Is the expected return guaranteed?
No. The return you enter is your own assumption, not a promise. Market-linked returns go up and down, and actual results will differ from this projection.
How often are the figures on this page updated?
The formulas don't change. The FY label and sources are checked on the review date shown below. This calculator does not use tax-specific limits.
When should I talk to a professional instead of relying on this calculator?
Before a real investment decision, especially a large or long-term one, consult a SEBI-registered investment adviser. This calculator is for educational planning only and does not consider taxes, costs or your risk profile.
Symbols and assumptions
- P
- Monthly investment (₹)
- r
- Assumed annual return (%)
- i
- Monthly return, r ÷ 12
- n
- Months invested
- Each instalment is invested at the start of the month.
- A constant annual return, compounded monthly — real returns vary.
- Does not account for taxes (e.g. capital gains tax), expense ratios, exit loads or inflation.
- Figures are in Indian Rupees (₹).
Sources and review
Reviewed 2026-09-29 · Next review 2027-09-29
- Systematic Investment Plan (SIP), Association of Mutual Funds in India (AMFI)
- SEBI Investor Education and Protection
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How it works
A SIP invests a fixed amount every month into a mutual fund. Because you buy more units when prices are low and fewer when high (rupee-cost averaging), your average cost smooths out over time.
The formula
FV = P × [((1 + r)^n − 1) / r] × (1 + r)- FV
- Future value at maturity
- P
- Monthly investment amount
- r
- Monthly rate = annual rate ÷ 12 ÷ 100
- n
- Total number of months (years × 12)
Worked example
₹5,000/month for 20 years at 12% annual return → invested ₹12,00,000, projected value ~₹50 lakh.
Pro tips
- Start early to maximize compounding.
- Step-up your SIP as your income increases.
Common mistakes
- Stopping SIPs during market downturns.
Go deeper
Related lessons
Concepts to explore
Related guides
Institutional grade calculations are illustrative and for educational wealth architecture. Results do not constitute investment advice.