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Mutual Fund Calculator

Project the value of a lump sum and a monthly SIP in a mutual fund.

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Quick answer: SIP returns

A SIP of ₹10,000 a month at 12% a year for 10 years grows to about ₹23,00,386.89 (end-of-month deposits), with ₹11,00,386.89 from returns. Start-of-month deposits give a little more.

Overview of the Mutual Fund Calculator

A Systematic Investment Plan (SIP) invests a fixed amount in a mutual fund every month, averaging your purchase price over time. Enter an optional lump sum, the monthly SIP, an expected annual return and the period to project the value, with an optional yearly step-up.

Mutual fund returns are not guaranteed and depend on market performance; equity funds can fall as well as rise. Use cautious return assumptions and look at the table to see how outcomes change. See also the Investment Calculator.

How We Calculate

The calculator applies the standard financial formulas step by step.

  1. Convert the annual rate into a growth factor for each month, using your chosen compounding: (1 + rate ÷ n)^(n ÷ 12).
  2. Start with the initial amount and, for each month, add the growth and then the deposit (or the deposit first if you choose the start of the month).
  3. Raise the deposit once a year if you set an annual increase.
  4. Repeat for every month of the period, recording the balance each year.
  5. Subtract total deposits from the end balance to get the interest earned; divide by (1 + inflation)^years for the value in today's money.
balance = P × (1 + r/n)^(n·t) + deposits compounded
monthly factor = (1 + r/n)^(n/12)
interest = end balance − total deposits
Worked example — mutual fund calculator
ItemAmount
Starting amount₹0.00
Total deposits₹12,00,000.00
Interest earned₹11,00,386.89
End balance₹23,00,386.89
Interest as a share of end balance47.8%
Value after different periods and rates (mutual fund calculator)
Years9% p.a.12% p.a.15% p.a.
5 years₹7,54,241.37₹8,16,696.70₹8,85,745.08
10 years₹19,35,142.77₹23,00,386.89₹27,52,170.58
15 years₹37,84,057.69₹49,95,801.98₹66,85,067.59
20 years₹66,78,868.70₹98,92,553.65₹1,49,72,394.81
25 years₹1,12,11,219.37₹1,87,88,466.26₹3,24,35,296.15

Mutual Fund Calculator — Frequently Asked Questions

How is SIP return calculated?

Each monthly instalment grows at the expected monthly rate for the remaining months, and the amounts are added to any lump sum's growth.

What return should I assume for a SIP?

Use a conservative long-term estimate. Past returns are not a guide to future performance.

What is a step-up SIP?

A SIP whose monthly amount increases by a set percentage each year, usually in line with income growth.

Should I choose start or end of month?

SIP instalments are usually debited near the start of a month; select “Start of each month” for that, which gives a slightly higher value.

Is the tax box accurate?

No — it is a flat reduction of the yearly return, a simple approximation of how gains are taxed.

What is rupee-cost averaging?

Buying a fixed amount regularly means you buy more units when prices are low and fewer when high, smoothing your average cost.

How is the mutual fund calculator calculated?

It uses the standard formula: balance = P × (1 + r/n)^(n·t) + deposits compounded The full method and a worked example are shown on this page.

Is this financial advice?

No. The calculator gives estimates for planning and learning. Real offers vary by lender, product and date, so confirm the details with your bank, lender or a qualified adviser before deciding.

Can I use another currency?

Yes. The maths is identical in any currency; only the currency symbol shown in the results differs.

Is my data stored?

No. Everything is calculated in your browser and nothing you enter is uploaded or saved.

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