Free Position Size & Lot Calculator Online
Determine the exact number of shares or lots to buy based on portfolio size, risk percentage, and stop-loss distance. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Set Account Size
Enter your total liquid trading capital in your account.
Define Maximum Risk
Specify the percentage of total capital you are willing to risk on this single trade (commonly 1% to 2%).
Set Entry and Stop-Loss
Enter your intended entry price and planned stop-loss level.
Get Position Size
Execute with the calculated exact share count to guarantee you never exceed your risk budget.
Frequently Asked Questions
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