Stock Average Calculator
Bought a stock at two different prices? Find your average cost per share instantly.
About this calculator
Averaging down or up changes your break-even price. This computes the weighted average across your buys.
Knowing your average cost helps you set realistic targets and stop-losses.
All calculations happen in your browser — your numbers are never sent anywhere. Results are estimates for guidance only, not financial advice.
Frequently asked questions
How is average price calculated?
Total amount spent ÷ total shares bought across all your purchases.
What is averaging down?
Buying more shares at a lower price to reduce your average cost per share.