attach_money
Finance

Stock Average Calculator

verified_user

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.

shield

Privacy & Security

All processing happens locally in your browser — nothing is uploaded.

check_circle Data: None
check_circle Client-side-Side
check_circle Active
update v1.0
lightbulb

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.

recommend Related Tools

Compound Interest Calculator

Finance

Calculate future value with compound interest including monthly contributions. Visual breakdown bar and year-by-year amortization table.

Mortgage Calculator

Finance

Calculate monthly mortgage payments including principal, interest, taxes, insurance, and HOA fees. Full amortization schedule included.

EMI Calculator

Finance

Calculate Equated Monthly Installments for loans. Shows principal, interest breakdown, total amount, and full amortization schedule.