Stock Average Calculator
Calculate your average stock price based on multiple purchase prices and quantities. Get total investment, total quantity, and average cost per share instantly.
Stock Price ($) | Quantity | Action |
---|---|---|
Average Cost Calculation
Total Investment
$0.00
Total Quantity
0 shares
Average Price
$0.00
What is a Stock Average Calculator?
A Stock Average Calculator helps investors calculate the average price they paid for shares bought at different prices and quantities. This is especially useful if you've bought the same stock multiple times at different rates.
By knowing your average buy price, you can better evaluate your profit or loss when the market price changes.
Formulas Used
1. Total Investment
Where:
- = Stock Prices
- = Quantities bought at each price
2. Total Quantity
3. Average Stock Price
Example Calculation
Let’s say you made the following purchases:
- Bought 10 shares at $100
- Bought 20 shares at $80
Step 1: Total Investment
Step 2: Total Quantity
Step 3: Average Price
Final Output:
- Total Investment: $2,600
- Total Quantity: 30 shares
- Average Stock Price: $86.67
Conclusion
A Stock Average Calculator is essential for investors who make multiple stock purchases at different prices. It gives you an accurate average cost per share, helping you better understand your break-even point and make smarter investment decisions.

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