09Risk management
Position Size Calculator
Size a trade from account value, maximum risk, entry price, and stop-loss price.
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Transparent mathFormula and assumptions included
0%20.0%100%
Risk per unit$5.00
Account allocation20.0%
Risk budget1.00%
iMethodology
How this result is calculated
Every result is calculated from the values shown on this page. No hidden market forecast or AI estimate is added.
Change any input and the result updates immediately. Your inputs remain in your browser.
Fees, return, yield, risk, and probability assumptions are shown as inputs instead of hidden in the result.
This calculator is for education and scenario analysis only. It does not account for taxes, slippage, liquidity, or every platform-specific fee.