Stock average calculator.
Calculate the weighted average cost of share purchases, including charges, and compare with a price you enter.
Purchases of the same stock
Enter only purchase lots still held, in INR. This is a purchase-cost estimate, not a tax-lot ledger.
Average = total purchase cost including entered charges ÷ total quantity. Selling charges, taxes, dividends, sales, splits and corporate actions are excluded. Current price is entered by you, not a live quote. A lower average cost does not reduce concentration risk.
View detailed breakdown
| Purchase | Quantity | Price | Charges | Cost |
|---|---|---|---|---|
| 1 | 10 | ₹200.00 | ₹0.00 | ₹2,000.00 |
| 2 | 20 | ₹150.00 | ₹0.00 | ₹3,000.00 |
How this stock average calculator works
Add each purchase quantity multiplied by its price, then add the entered purchase charges. Divide that combined cost by the total shares to get the weighted average cost. This is a buy-only estimate for the same security in one currency; it does not reconstruct holdings after sales.
A worked example
Buying 10 shares at ₹200 and 20 at ₹150 costs ₹5,000 for 30 shares, so the average is ₹166.67. Adding ₹100 of total purchase charges raises the average to ₹170. At ₹180 per share, the holding is worth ₹5,400 before selling costs.
Does averaging down mean I have reduced my loss or risk?
Buying below your old average can lower the average price, but it also commits more money to the same security. The current loss or gain depends on the market price and total cost, not just the new average. Sales, dividends, splits and tax cost-basis rules require separate records.
Calculations run on your device. Review your results before exporting or sharing them.
Match the lots to one holding
Use the quantity and price for each purchase of the same security. Charges are entered per purchase, not per share. If a broker figure already includes charges, do not add them again. Adjusted quantities and prices are needed after a share split.
An average of ₹200 and ₹150 is only ₹175 when equal quantities were bought. Larger purchases get more weight. The result can help reconcile a buy-only position, but it cannot establish the tax cost of shares remaining after partial sales.
Published by ToolMitra — methods and editorial approach.