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Calculators

Free calculators for traders and investors. They run in your browser, store nothing, and show the formula they use.

Brokerage CalculatorEstimate brokerage, STT, exchange charges, SEBI fee, stamp duty, GST and DP charges for a trade at any of the brokers we review.Stock Profit & Loss CalculatorWork out profit or loss on a share trade in rupees and percent, with optional charges deducted.Stock Average CalculatorCalculate the average buy price of a stock after multiple purchases at different prices.SIP CalculatorEstimate the future value of a monthly SIP at an assumed annual return, with optional annual step-up.Lumpsum CalculatorEstimate the future value of a one-time investment at an assumed annual return.CAGR CalculatorFind the compound annual growth rate between a starting and ending value over a number of years.Compound Interest CalculatorCalculate compound growth with yearly, half-yearly, quarterly or monthly compounding and optional monthly additions.Percentage Return CalculatorCalculate absolute return and annualised return between a buy and sell value.Investment Goal CalculatorFind the monthly SIP or lump sum needed today to reach a future money goal, after counting what you have already saved.

About our calculators

Results are estimates for education only. The brokerage calculator uses each broker's published tariff and the statutory rates shown on brokers' pricing pages; return calculators use the rate you enter, which is an assumption and not a forecast.

Which calculator do I need?

Your question Use
What will this trade cost me at my broker, including STT, GST and DP charges? Brokerage calculator
How much did I make or lose on a trade after charges? Profit & loss calculator
What is my average buy price after buying at different prices? Stock average calculator
What could a monthly investment grow to? SIP calculator
What could a one-time investment grow to? Lumpsum calculator
What yearly growth rate did an investment deliver? CAGR calculator
How does a deposit grow with quarterly or monthly compounding? Compound interest calculator
What was my total return, including dividends? Percentage return calculator
How much must I invest each month to reach a target amount? Investment goal calculator

How we build and check them

Every calculator shows its formula on its own page, with a worked example you can reproduce by hand. The worked examples are re-run against the live calculators whenever we change them, and we test edge cases such as zero, blank, negative and very large inputs so that the tools never display a meaningless figure. Fee inputs in the brokerage calculator are refreshed on the same quarterly schedule as our broker reviews.

Limits worth knowing

  • Returns are not predictable. SIP, lumpsum and goal results assume a constant return. Real markets move unevenly and can fall for years.
  • Tax is not included. Capital gains tax, TDS on interest and tax on dividends depend on your situation and change with the Union Budget.
  • Your contract note is the final word on what a trade cost. Small charges such as IPFT and clearing fees are not modelled.
  • Nothing you enter leaves your browser. The calculators run entirely on your device and we do not store inputs.