Shares bought first.
Price per share.
Shares bought next.
Price per share.
Optional third buy (0 to skip).
Price per share.
Quick examples
200 shares bought over 2 purchases.
What each result means
Average price
What it is: Total spent ÷ total shares.
Your value: ₹450.00
Your break-even before charges.
Total shares
What it is: All buys added.
Your value: 200
Total invested
What it is: Σ quantity × price.
Your value: ₹90,000
Before brokerage and taxes.
Year-by-year breakdown
| Buy | Quantity | Price (₹) | Amount (₹) | Running average (₹) |
|---|---|---|---|---|
| 1 | 100 | ₹500.00 | ₹50,000 | ₹500.00 |
| 2 | 100 | ₹400.00 | ₹40,000 | ₹450.00 |
How to read this: each row is one purchase; the last column shows your average price after that buy.
What this calculator does
This calculator finds your weighted average purchase price across several buys of the same stock.
What your result means
The average is arithmetic, not a signal to buy or sell. Brokerage and taxes are not included.
Formula
1. Weighted average price
Symbols
- q
- Quantity
- p
- Price
Worked example
100 @ ₹500 + 100 @ ₹400 → ₹90,000 ÷ 200 = ₹450.
Common mistakes
Taking a simple average of prices when quantities differ.
Working for your numbers
- Total cost = 100 × 500 + 100 × 400 = ₹90,000
- Average = ₹90,000 ÷ 200 = ₹450.00
Frequently asked questions
Does averaging down reduce risk?
It lowers the average price but increases the money in one stock. This page does not suggest whether to do it.
When should I talk to a professional instead?
Before a real decision, especially a large or long-term one, speak to a SEBI-registered investment adviser or a qualified professional. This page is educational only.
Symbols and assumptions
- q
- Quantity
- p
- Price per share
- Charges not included.
- All buys are of the same security.
Sources and review
Reviewed 2026-09-29 · Next review 2027-09-29
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Related Calculators
How it works
Calculates the weighted average price of multiple stock purchases by dividing total investment by total quantity.
The formula
Average Price = (Σ(Price × Quantity)) / Total Quantity- Σ
- Sum of all transactions
Worked example
Bought 10 shares at ₹100 and 10 shares at ₹80. Average = ₹90.
Pro tips
- Use this to plan your 'averaging down' strategy.
- Include brokerage to get the real cost price.
Common mistakes
- Only averaging price without considering quantity.
Go deeper
Concepts to explore
Related guides
Institutional grade calculations are illustrative and for educational wealth architecture. Results do not constitute investment advice.