Mutual Fund Calculator
Estimate how a mutual fund investment can grow — enter a monthly SIP or a one-time lumpsum, the expected annual return and the time horizon, and this free mutual fund calculator shows the projected future value, your total invested and the growth, in rupees and in seconds.
What is a mutual fund calculator?
A mutual fund calculator estimates how much money you could accumulate by investing in mutual funds, either through a monthly SIP (systematic investment plan) or a one-time lumpsum investment. It takes your contribution, an expected annual return and the number of years, then applies compounding to project the future value.
For a SIP, the tool compounds monthly — since your money is invested every month — using the standard future-value-of-annuity formula. For a lumpsum, it compounds annually on the single amount invested up front. In both cases it shows your total invested, the estimated growth and the percentage return, so you can compare scenarios and see how changing the amount, return or horizon moves the result.
Because equity mutual fund returns are never fixed, the annual rate you enter is an assumption — the tool is a planning aid, not a guarantee. It runs entirely on JavaScript in your browser, so results appear instantly and nothing is uploaded, making it easy to test different amounts and timeframes before you invest a rupee.
How to use
- Choose Monthly SIP or One-time lumpsum.
- Enter the amount in rupees — your monthly SIP amount or your one-time investment.
- Set an assumed annual return percentage.
- Enter the number of years, then click Calculate Mutual Fund to see the projected value, invested amount and growth.
How mutual fund returns are calculated
SIP (monthly compounding): FV = P × (((1+i)^n − 1) / i) × (1+i) i = annual return ÷ 12 ÷ 100, n = years × 12 Lumpsum (annual compounding): FV = P × (1 + r)^n r = annual return ÷ 100, n = years
Each SIP instalment is assumed to be invested at the start of the month, so your money begins compounding immediately.
Example
With defaults — a ₹5,000 monthly SIP at an assumed 12% annual return over 10 years — the calculator projects about ₹11,61,695, on a total invested of ₹6,00,000, giving roughly ₹5,61,695 of growth. Switch to a lumpsum of ₹1,00,000 at the same 12% for 10 years and the projected value is about ₹3,10,585. Longer horizons make compounding do far more of the work.
Who is this mutual fund calculator for?
This mutual fund calculator suits almost any investor, but it is especially useful for a few groups.
- Students and young adults: start a small monthly SIP early — even ₹500 or ₹1,000 — and see how time and compounding, rather than a large amount, grow the corpus. A mutual fund calculator for students makes long-term goals tangible.
- Couples: plan a joint goal such as a down payment or a child's education by combining two monthly SIPs and comparing the projected value.
- Salaried professionals: set a monthly amount that fits a budget, then compare a longer horizon to see the difference in returns.
- Retirees: model a lumpsum or systematic withdrawal-style goal to judge whether a figure is sustainable in retirement.
Mutual fund growth by horizon
The table below shows how a monthly SIP of ₹5,000 at an assumed 12% annual return grows over time. Compounding does most of the work in the later years.
| Years | Total invested | Estimated value |
|---|---|---|
| 5 | ₹3,00,000 | ₹4,12,432 |
| 10 | ₹6,00,000 | ₹11,61,695 |
| 15 | ₹9,00,000 | ₹25,22,880 |
| 20 | ₹12,00,000 | ₹49,95,740 |
| 30 | ₹18,00,000 | ₹1,76,49,569 |
Common use cases
- Long-term goals: build a corpus for retirement, a child's education or a big purchase.
- Compare SIP vs lumpsum: see which approach fits your cash flow and target.
- Compare scenarios: test how changing the amount, return or years moves the result.
- Reverse planning: find the monthly amount needed to reach a target corpus in a set time.
Pro tips
- Compounding rewards time: doubling the tenure can more than double the final corpus.
- Use a realistic return: 10-12% is common for diversified equity funds, but markets fluctuate.
- Returns are not guaranteed: treat the figure as an estimate for planning, not a promise.
- Start early and stay consistent: a routine SIP beats trying to time the market.
FAQ
What is a mutual fund calculator?
A mutual fund calculator estimates how much a mutual fund investment could grow to over time. It works for both a monthly SIP (systematic investment plan) and a one-time lumpsum, applying an assumed annual return with compounding.
How is a mutual fund SIP future value calculated?
We use monthly compounding: FV = P x (((1+i)^n - 1) / i) x (1+i), where i is the monthly rate (annual / 12 / 100), n is the number of months, and P is the monthly investment.
How is a mutual fund lumpsum future value calculated?
For a lumpsum we compound annually: FV = P x (1 + r)^n, where r is the annual return expressed as a decimal and n is the number of years.
Are mutual fund returns guaranteed?
No. The annual return you enter is an assumption. Equity mutual funds fluctuate with the market, so this is a planning tool and not a promise or financial advice.
What return should I assume for a mutual fund?
Many people plan with 10-12% for diversified equity funds, but your actual return will vary over time. Always use a range to see how sensitive your goal is.
Is SIP or lumpsum better?
It depends on your goals and cash flow. SIPs build wealth steadily and average the purchase price, while a lumpsum invests the full amount now so it compounds immediately if you have a large sum available.
Does this mutual fund calculator work for India?
Yes. It is priced in rupees (₹), uses the en-IN number format, and models both SIP and lumpsum — the two most common ways Indians invest in mutual funds.
Is this calculator free and private?
Yes. It runs entirely in your browser and no investment details are uploaded anywhere.
How frequent is the compounding?
The SIP mode compounds monthly (the standard for monthly SIPs), and the lumpsum mode compounds annually, matching how returns are usually modelled.
What does the total invested figure show?
For a SIP it is the sum of all your monthly contributions. For a lumpsum it is the amount you invested up front. The growth is the difference between the final value and that invested amount.
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