Start with risk
Choose the amount of account risk first, then let the stop distance determine the position size.
Free tool
Position size calculator for risk-first trading.
Use the calculator to size a trade from account balance, risk %, entry, stop, target, leverage, and fees before the setup becomes emotional.
Account risk
Stop distance
Position size
Margin estimate
Check margin
Leverage can make a trade look smaller than it is. Review notional value and margin before entry.
Log the plan
Save the planned position size and compare it with the actual trade during review.
Common questions
How do you calculate position size?
Position size is usually calculated by dividing the amount you are willing to risk by the distance between entry and stop loss, then adjusting for fees and instrument value.
Why calculate position size before a trade?
It prevents emotional sizing, keeps losses within a planned risk budget, and makes trade review more consistent.
Position size calculator
Calculate trade size from account balance, risk %, entry, and stop.
Presets
Clean setup
Trevixe as a system
This is not a standalone article — it is a doorway into the trader workspace.
Open the Trevixe overview to see the full product: trading journal, trader diary, playbooks, analytics, AI reviews, and team workflows. If it fits, create an account and start free.