Stop Loss Calculator
Enter your entry price, account size, and risk tolerance to calculate the ideal stop loss price and position size for any trade.
Trade Parameters
$
%
$
%
Percentage below entry price.
$
Must be below the entry price (long trade).
$
Enter to see the risk-reward ratio.
Stop Loss Price
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—
Position Size
—
shares / units
Dollar Risk
—
max loss if stopped
Trade Summary
Entry Price
—
Stop Loss Price
—
Stop Distance (per share)
—
Account Size
—
Risk Per Trade
—
Max Dollar Risk
—
Position Size
—
Position Value
—
Target Price
—
Risk / Reward Ratio
—
Fill in the parameters and click Calculate to see your trade risk breakdown.
Results copied!
Summary
Enter your entry price, account size, and risk tolerance to calculate the ideal stop loss price and position size for any trade.
How it works
- Enter your total account size in dollars.
- Set the maximum percentage of your account you are willing to risk on this trade (e.g. 1%).
- Enter the entry price — the price at which you plan to open the position.
- Choose whether to define your stop loss as a percentage below entry or as a fixed stop price.
- The calculator instantly shows your stop loss price, position size (shares/units), and maximum dollar risk.
Use cases
- Equity traders sizing positions to keep risk below 1% or 2% of their account.
- Forex traders calculating lot sizes based on pip risk.
- Crypto traders determining unit quantity for a volatile asset entry.
- Options traders checking maximum capital exposure before placing a trade.
- Beginners learning the relationship between account risk, stop distance, and position size.
- Swing traders pre-planning exits before entering a position.
Frequently Asked Questions
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Last updated: 2026-05-23 ·
Reviewed by Nham Vu