Zerodha Charge Calculator

Brokerage & taxes estimator

Estimate brokerage, STT, GST, exchange charges, SEBI turnover fees, stamp duty, total charges, and net P&L across common equity and derivatives trade types.

Trade details

Enter your order values below. This calculator is designed for a round-trip trade, meaning one buy and one sell leg.

Estimated output

Review the turnover, profit before charges, statutory deductions, and final net result.

Total Charges

₹0.00

Net P&L

₹0.00

Expert Guide to the Zerodha Charge Calculator

A Zerodha charge calculator is a practical tool that estimates the true cost of a trade before you place it or immediately after execution. Many traders focus only on entry and exit price, but your actual result depends on a full set of components such as brokerage, securities transaction tax, GST, exchange transaction charges, SEBI turnover fees, and stamp duty. Even a seemingly low-cost broker model still includes statutory charges that can meaningfully affect net profitability, especially for intraday traders, derivatives traders, and short-term systematic strategies where turnover is high.

The purpose of a good calculator is not only to show the final rupee amount. It should also help you understand why the final deduction looks the way it does. For example, equity delivery trades generally attract zero brokerage at Zerodha, but they still carry taxes and other regulatory levies. Intraday and futures trades have brokerage caps and lower stamp duty than delivery, while options typically use a flat brokerage per executed order and have a different tax profile compared with cash-market trades.

If you regularly trade stocks, index futures, stock futures, or options, using a charge calculator can improve your decision-making in at least three ways. First, it helps you estimate breakeven more accurately. Second, it allows you to compare trade structures such as fewer larger trades versus many small churn-heavy trades. Third, it provides a reality check for strategy testing, because backtests that ignore charges often overstate performance.

Why brokerage calculators matter more than most traders think

The biggest misconception in retail trading is that low headline brokerage automatically means low total trading cost. In practice, the largest line item for many trades may not be brokerage at all. Depending on segment and turnover, statutory charges such as STT or transaction charges can outweigh brokerage. This is especially true in low-margin strategies where the gross edge per trade is already thin.

Suppose your strategy targets a small move per trade. If gross profit is ₹500 but total charges consume ₹120 to ₹180, your effective edge compresses quickly. When the same strategy scales to hundreds of trades per month, charge awareness becomes essential risk management. That is why experienced traders monitor both gross P&L and net P&L after all charges. The difference is not accounting trivia. It directly affects expectancy, drawdown tolerance, and the minimum win rate needed for long-term survival.

What this Zerodha charge calculator estimates

This calculator is built for common round-trip scenarios where you buy and then sell, or you evaluate the premium cost impact in options. It estimates the following items:

• Brokerage: Based on segment rules and typical brokerage caps used by discount brokers such as Zerodha.
• STT or CTT: A statutory tax levied on securities transactions, with treatment varying across delivery, intraday, futures, and options.
• Exchange transaction charges: Charges imposed by the exchange infrastructure, generally linked to turnover.
• SEBI turnover fees: A small regulatory levy on turnover.
• GST: Applied on brokerage plus certain service-related charges, not on STT.
• Stamp duty: Usually applied on the buy side only under standardized rules.
• Gross and net P&L: To show profitability before and after all deductions.

Important note: Exchange and statutory rates can be revised by regulators, exchanges, or the broker. Use calculators for planning and education, and confirm the latest official rates before making large capital decisions.

Typical charge components by segment

The percentages below reflect widely used market conventions for estimation and may change over time. They are enough to understand how cost structures differ between delivery, intraday, futures, and options.

Segment	Brokerage model	STT or CTT	Stamp duty	Exchange charge basis
Equity Delivery	₹0 brokerage	0.1% on buy and 0.1% on sell	0.015% on buy side	Applied on total turnover
Equity Intraday	0.03% or ₹20 per executed order, whichever is lower	0.025% on sell side	0.003% on buy side	Applied on total turnover
Equity Futures	0.03% or ₹20 per executed order, whichever is lower	0.02% on sell side	0.002% on buy side	Applied on total turnover
Equity Options	₹20 per executed order, often ₹40 for round trip	0.1% on sell premium in standard estimate	0.003% on buy premium	Often based on premium turnover

How to use the calculator properly

1. Select the segment that matches your trade. Delivery, intraday, futures, and options are not interchangeable because the charging logic differs.
2. Enter quantity as the number of units traded. For options, if you trade one lot, enter the full lot quantity in units so premium turnover is calculated correctly.
3. Input buy price and sell price. These determine turnover and gross profit or loss.
4. Click Calculate Charges to get the breakdown of all line items.
5. Focus on net P&L, not only total charges. A trade can look attractive in gross terms but still fail your strategy after friction costs.

Understanding each charge line item in plain English

Brokerage is the broker’s fee for executing the trade. In equity delivery, discount brokers often advertise zero brokerage. In intraday and futures, the fee is usually capped per order, which means very large orders do not scale brokerage indefinitely. This cap matters because it prevents runaway brokerage on high-value orders, but it does not eliminate statutory deductions.

STT, or securities transaction tax, is a government levy that depends on the segment. Delivery carries tax on both the buy and sell side. Intraday equity and futures typically apply STT on the sell side only. In options, standard estimators often apply STT to the sell premium, though exercised contracts may follow different treatment in real-world settlement scenarios.

Exchange transaction charges are charged by the trading venue and vary by segment. They may look tiny in percentage terms, but on large turnover they accumulate steadily. SEBI turnover fees are smaller still, yet should be included if you want an honest all-in estimate.

GST is applied on service-oriented charges such as brokerage, exchange transaction charges, and SEBI fees. It is not directly levied on STT. Stamp duty is usually charged only on the buy side and differs by asset class. For active traders, recognizing which items are buy-side only and which are turnover based helps in optimizing frequency and position sizing.

Comparison example with realistic trade scenarios

The table below illustrates how charges can differ even when trade value appears similar. These are representative educational examples built from common rate assumptions, not a promise of exact live billing.

Scenario	Turnover	Approx gross P&L	Approx total charges	Observation
Equity Delivery, 100 shares, ₹250 buy, ₹260 sell	₹51,000	₹1,000	Roughly ₹70 to ₹85	Zero brokerage helps, but STT on both sides still matters.
Equity Intraday, same price and quantity	₹51,000	₹1,000	Roughly ₹35 to ₹55	Lower STT and lower stamp duty can reduce all-in cost.
Equity Futures, moderate notional trade	High notional	Depends on tick movement	Usually efficient per notional unit	Brokerage cap helps, but leverage changes risk dramatically.
Equity Options premium trade	Premium turnover based	Depends on premium move	Can be meaningful for small premium scalps	Flat brokerage plus taxes can punish tiny edge strategies.

Key insights for delivery investors

Longer-term investors often assume charges are negligible because they trade less frequently. That is usually true compared with high-frequency traders, but cost still matters when you rebalance often, build positions in multiple tranches, or use tactical exits. Delivery trades at a zero-brokerage broker can still face STT on both sides and stamp duty on the buy side. If your holding period is short, these costs deserve attention. If your horizon is long and expected return is substantial, charges fade in relative importance, but they should still be tracked for tax-lot accuracy and portfolio performance attribution.

Key insights for intraday traders

Intraday traders benefit from lower statutory costs in some categories compared with delivery, but their biggest enemy is turnover. High trade count can erode P&L even when each individual charge appears small. If you execute many low-conviction trades, your brokerage cap may look attractive, yet aggregate charges can still become a major drag. A useful discipline is to calculate the minimum points or rupees required per trade just to cover costs. That number becomes your operational breakeven.

Key insights for futures and options traders

Derivatives traders should be extra careful with assumptions. Futures often appear cost efficient per unit of notional exposure, but leverage can amplify losses much faster than costs shrink. Options, meanwhile, can be deceptive. A low premium contract may tempt frequent scalping, but flat brokerage plus taxes can consume a large percentage of a small premium gain. This is why options traders often track charges as a percentage of premium turnover, not merely as a rupee figure.

Common mistakes when using a Zerodha charge calculator

• Entering lot count instead of unit quantity for derivatives.
• Comparing gross profit with someone else’s net profit figures.
• Ignoring the fact that some taxes apply on one side only while others apply on both sides or on total turnover.
• Assuming all exchanges and segments use the same transaction charge rate.
• Backtesting strategies without any cost model.
• Forgetting that exercised options can have different tax treatment than a simple premium trade estimate.

Best practices for advanced traders and investors

If you are serious about cost control, record the following for each strategy: average turnover per trade, average net edge after charges, cost percentage of gross profit, and cost percentage of capital deployed. This transforms a calculator from a one-time utility into a strategy evaluation framework. Professionals do not merely ask, “What is the brokerage?” They ask, “How much of my expected alpha survives after friction?”

It is also wise to validate your estimates periodically against actual contract notes. If your calculator consistently understates or overstates costs, update your assumptions. Markets evolve, and exchange fee circulars or tax provisions can change. A well-maintained calculator improves position planning, stop-loss discipline, and reward-to-risk estimation.

Authoritative resources for further verification

For readers who want to cross-check regulatory context, investor protection rules, and the role of transaction costs in securities markets, these sources are useful references:

• Investor.gov guide to transaction costs
• U.S. Securities and Exchange Commission official website
• Investor.gov investing glossary for fees, costs, and market terms

Final takeaway

A Zerodha charge calculator is not just a convenience widget. It is a decision-support tool that helps you see the true economics of a trade. Whether you are a delivery investor, intraday trader, futures participant, or options trader, the difference between gross and net performance is where discipline lives. Use the calculator before entering a trade, after exiting a trade, and while testing a strategy. The more accurately you measure costs, the more realistically you can evaluate profitability.

In simple terms, if you want cleaner execution decisions, better strategy design, and fewer surprises in your ledger, make charge estimation part of your workflow every single time.