◈ FINANCE Updated July 25, 2026

Stock Average Calculator

Blend several purchases into one average cost and profit figure.

Shares — buy 1
Price — buy 1
Shares — buy 2
Price — buy 2
Shares — buy 3 (optional)
Price — buy 3 (optional)
Current price
Result
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How it works

Average cost is total money invested divided by total shares held; comparing it with the current price gives your unrealised profit, percentage return and the price you need to break even.

Related tools

◨Compound Interest Calculator◈Loan Calculator◫Profit Margin Calculator

Frequently asked questions

What does averaging down mean?

Buying more shares at a lower price, which pulls your average cost down and lowers the break-even price.

Does this include fees?

Add brokerage fees into a buy price to get a fully loaded cost basis.

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