Stock Average Calculator

Average buy price of a stock across up to three purchases, and the price needed to break even.

Average buy price
—
Total shares—
Total invested—
Profit / loss at current price—

How to use the Stock Average calculator

  1. Enter buy 1 quantity, buy 1 price, buy 2 quantity, buy 2 price, buy 3 quantity, buy 3 price and current price.
  2. Read the average buy price at the top of the result, with total shares, total invested, profit / loss at current price underneath. It updates as you type.
  3. Change one input at a time to see what moves the answer most, then save the result with Copy link or Download PDF.

About this tool

Averaging down lowers your break-even price but adds money to a falling position. Check why the price fell before adding more.

Worked example

With buy 1 quantity of 100, buy 1 price of ₹250, buy 2 quantity of 50, buy 2 price of ₹200 and current price of ₹220:

Average buy price233.33
Total shares150
Total invested₹35,000
Profit / loss at current price−₹2,000

Built and reviewed by Savitar Finance (savitarfinance@gmail.com). Rules and rates last checked October 2026. How we calculate · Report a problem

Questions people ask

How is average stock price calculated?

Average = total amount paid ÷ total shares bought.

Do brokerage and taxes change the average?

Yes slightly. Add brokerage and STT to the purchase price if you want an exact cost basis.