Calculators for smarter trades

Five precise tools to size positions, manage risk, estimate costs and project returns — free and instant.

Why use them

Plan before you trade

Instant results

Updates live as you type — no submit, no waiting.

Accurate formulas

Standard Indian-market math for STT, GST and compounding.

Private & free

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Mastering Financial Calculators

A comprehensive guide to managing risk and forecasting returns.

Why use trading calculators?

Trading and investing are heavily numbers-driven disciplines. Emotions can easily cloud judgment during live market hours. Relying on precise mathematical calculators before executing a trade ensures that you remove guesswork, manage risk appropriately, and understand the true cost of the transaction.

Core Trading Metrics

  • Position Sizing: This is arguably the most crucial concept in risk management. A position size calculator tells you exactly how many shares to buy so that if your stop-loss is hit, you only lose a predetermined fixed amount (e.g., 1% of your total capital).
  • Risk-to-Reward Ratio (R:R): A measure of how much capital you are risking compared to your potential profit. Professional traders generally look for a minimum 1:2 ratio, meaning they stand to make ₹200 for every ₹100 they risk.
  • Net Brokerage: Many beginners are surprised by their net P&L at the end of the day. In India, beyond the broker's flat fee (e.g., ₹20), you must pay STT, Exchange Transaction Charges, SEBI fees, GST, and Stamp Duty. A brokerage calculator gives you a transparent view of your break-even point.

Long-Term Investing Metrics

For investors, the CAGR (Compound Annual Growth Rate) calculator smooths out the volatility of returns to show a constant annualized rate of growth. Similarly, the SIP (Systematic Investment Plan) calculator helps you visualize the incredible power of compounding over decades by projecting the future value of disciplined, regular investments.

Frequently asked questions

How much of my capital should I risk per trade?+

Most professional traders recommend risking no more than 1% to 2% of your total trading capital on any single trade to prevent a string of losses from wiping out your account.

Is STT applicable on all trades?+

Securities Transaction Tax (STT) is applicable on all equity delivery, equity intraday (only on the sell side), and F&O trades. Our brokerage calculator computes this automatically.

What is a good Risk-to-Reward ratio?+

A 1:2 ratio is generally considered the baseline. If you have a 1:2 ratio, you only need a win rate of 33.3% just to break even.

How does compounding work in SIPs?+

Compounding means you earn returns not just on your original principal, but also on the accumulated interest/returns from previous years, causing your wealth to grow exponentially over time.