Stock Profit Calculator

Compute profit, ROI and break-even on any stock trade — including commissions.

100% private — no uploads Free & unlimited Read tutorial

See how it works

Watch a quick simulation of this tool in action — no file needed.

How to use Stock Profit Calculator

Follow these steps — everything happens instantly in your browser.

  1. 1

    Step 1. Enter the buy price per share and the number of shares.

  2. 2

    Step 2. Enter the sell price per share (leave blank to see break-even).

  3. 3

    Step 3. Optionally add per-trade commissions (buy + sell).

  4. 4

    Step 4. Read gross/net profit, ROI percentage, and the break-even sell price.

Why use this tool

Frequently asked questions

Everything you might want to know about stock profit calculator.