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Free ToolUpdated April 23, 2026

Position Size Calculator

Work out exactly how big a position to take on any crypto, forex, or stock trade, sized to the risk you set. Get units, notional value, lot breakdown, and the leverage needed to hold it.

$
Risking $100 on this trade
Stop distance1,200 · 2%
Position size
0.0833 units
Notional value $5,000
Risk amount
$100
1% of balance
Leverage to hold
0.5x
notional ÷ balance

On a Velotrade funded account there is no maximum risk per trade and no lot-size cap, so you can deploy the full size above. Your only sizing limit is the static drawdown. See how funded-account leverage works.

Trade this size on a funded account

How to use this calculator

01

Set your account and risk

Enter your account balance and choose how much of it to risk on the trade. One percent is the standard starting point for most traders.

02

Enter your prices

Add your planned entry price and your stop-loss. The distance between them decides how many units your risk budget can support.

03

Read your size

The calculator returns your position size in units, its notional value, the forex lot breakdown, and the leverage you need to hold it.

What these numbers mean

Position size: The number of units to trade so that hitting your stop-loss costs exactly your planned risk. It is risk amount divided by the distance from entry to stop.
Notional value: The full market value of the position (units times entry price). This is your real exposure, and it is what leverage is applied to, not your account balance.
Risk amount: The dollars you lose if the trade hits your stop. It equals your account balance times your risk percentage, and it stays fixed no matter how far away the stop is.
Forex lots: A standard lot is 100,000 units, a mini lot 10,000, and a micro lot 1,000. The calculator converts your position size into all three so you can place the order in the units your platform expects.
Leverage to hold: Notional value divided by account balance. It tells you how much leverage a position requires, which you can check against your broker or prop firm limits before placing it.
Risk per trade: The percentage of your account you are willing to lose on a single trade. Keeping it small (0.5% to 2%) is what lets a strategy survive losing streaks and protects a funded account drawdown.

Frequently asked questions

Common questions about position sizing, risk per trade, lots, and leverage.

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