Stock Average Calculator
Calculate your average cost per share across multiple buys (averaging down or up), with total shares, total invested and break-even price. Free, private, instant.
Planning cloud or compliance spend?
Our team optimises cloud cost & risk for finance leaders.
Privacy & Security
All processing happens locally in your browser — nothing is uploaded.
How to Use
Add a row for each purchase with its price and number of shares. The average updates live.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
Related Tools
Compound Interest Calculator
FinanceProject how savings or investments grow with compound interest and regular contributions, in both nominal and inflation-adjusted terms.
Mortgage Calculator
FinanceCalculate mortgage payments from price, deposit, rate and term, with total interest, amortisation and the costs beyond principal and interest.
EMI Calculator
FinanceCalculate equated monthly instalments for a loan, with total interest, amortisation breakdown and the effect of prepayment.