Stock Average Price Calculator
Average share price, profit after STT and charges, break-even
| Charge | Buy (all shares) | Sell |
|---|---|---|
| Brokerage | ā¹0.00 | ā¹0.00 |
| STT | ā¹210.50 | ā¹225.00 |
| Exchange charges | ā¹6.25 | ā¹6.68 |
| SEBI fee | ā¹0.21 | ā¹0.23 |
| Stamp duty | ā¹31.58 | ā¹0.00 |
| DP charge | ā¹0.00 | ā¹0.00 |
| GST | ā¹1.16 | ā¹1.24 |
| Total | ā¹249.70 | ā¹233.15 |
Runs entirely in your browser. Nothing you type or upload is sent to us or stored.
Results are estimates, not financial advice. Rates, charges and rules change, so confirm with your bank, post office or a financial adviser before you decide. Terms of use
How to Use
- Enter each buy: the number of shares and the price you paid. Use add buy for more rows (up to 20) and ā to remove one.
- Your average buy price, total shares and total cost update as you type.
- To see a profit or loss, enter a Sell price per share (and Shares to sell, if not all) and the Target return you want.
- Open Charges (delivery trade) to check the charges: brokerage (ā¹ per order or % of value), STT, and whether to add exchange charges, SEBI fee, stamp duty and GST. Add your broker's DP charge if you know it.
- Read the net profit or loss, return %, break-even price and the price needed for your target. Below the result you'll find the charges table and an Averaging down or up helper; use copy or pdf to keep it, or reset to start again.
How the average price of a stock is worked out
When you buy the same share more than once at different prices, your cost per share is the weighted average of all the buys. This stock average calculator adds up what you paid and divides by the number of shares you hold. It's the figure your broker's holdings page shows, and it's the price the stock has to cross before you're in profit.
Example: you bought 100 shares of a company at ā¹1,450 and then 50 more at ā¹1,310 after a fall. You paid ā¹1,45,000 + ā¹65,500 = ā¹2,10,500 for 150 shares, so your average is ā¹1,403.33. The simple average of the two prices (ā¹1,380) would be wrong because you bought more at the higher price.
Charges on a delivery trade in India
A buy-and-hold (delivery) trade has a few charges on top of the share price. The rates below are the usual ones as of October 2026; brokers differ on brokerage and DP charges, and your contract note is the final word.
| Charge | Rate | Charged on |
|---|---|---|
| STT (securities transaction tax) | 0.1% | Buy and sell value |
| Exchange transaction charge | 0.00297% (NSE) | Buy and sell value |
| SEBI turnover fee | ā¹10 per crore (0.0001%) | Buy and sell value |
| Stamp duty | 0.015% | Buy value only |
| GST | 18% | Brokerage, exchange charge, SEBI fee, DP charge |
| DP charge | About ā¹13 to ā¹20 + GST | Per stock, on the day you sell |
| Brokerage | ā¹0 to 0.5% | Depends on your broker |
Budget 2026 raised STT on futures and options from 1 April 2026, but the delivery rate stayed at 0.1%. Intraday trades have different STT and stamp duty, so this calculator is meant for delivery.
Break-even and target price
Because charges are taken on both sides, you need a little more than your average price just to get your money back. On the example above with ā¹0 brokerage and the standard charges, the break-even is about ā¹1,406, not ā¹1,403.33. The calculator solves for the exact sell price at which your profit after all charges is zero, and the price at which it equals the return you typed in (15% by default).
Averaging down: use it with care
The helper under the result tells you how many shares to buy at today's price to bring your average to a target. Buying more of a falling stock lowers your average, but it also puts more money into the same company. Do it because you still believe in the business, not just to make the average look better. Keep any single stock to a share of your portfolio you could live with losing.
Tax on the profit
Charges reduce your profit, but tax is separate. Listed shares sold within 12 months are short-term gains taxed at 20%; after 12 months, long-term gains above ā¹1.25 lakh a year are taxed at 12.5%. STT isn't deductible from capital gains, while brokerage and the other transaction costs are.