[ Tools ]
Free, fast and accurate calculators for Indian traders and investors — from brokerage and F&O margins to SIP, lumpsum, CAGR and provident-fund returns. No sign-up required.
7 calculators · Reviewed by the OptionX Research Team · Updated July 2026
Compare total trade cost — brokerage, STT, GST, exchange & stamp charges — across India's top brokers.
PopularCalculate SPAN + exposure margin for your Futures & Options positions before placing an order.
Find your average buy price across multiple purchases of the same stock.
NewProject the future value of a monthly SIP and see how much wealth compounds over time.
NewEstimate the maturity value of a one-time investment at your expected rate of return.
NewMeasure the annualised (compound annual growth rate) return between two values.
New[ From maths to markets ]
Ran the numbers? Put them to work with OptionX's pro-grade trading terminal.