What is a standard lot?

A standard lot is 100,000 units of the base currency. It usually pays $10 per pip for USD pairs.

How much should I risk?

Most professional traders risk between 1% and 2% of their account balance per trade.

Yes, but the pip value changes. This calculator assumes a standard $10/pip for simplicity, but always check your broker's specs.

Calculate the optimal position size based on your risk tolerance and market volatility.

Enter your trade parameters below.

Get real-time volatility analysis for EUR/USD.

Click the button below to generate an AI analysis of current market volatility.

Decide what percentage of your account you are willing to lose on a single trade (e.g., 1% or 2%).

Use technical analysis or our AI suggestion to find a logical place for your stop loss.

We mathematically determine the exact lot size so that if your stop is hit, you only lose your pre-set risk amount.

Even the best traders have losing streaks. Proper sizing ensures you don't blow your account during a bad run.

Knowing exactly how much you will lose removes the fear of the unknown, helping you stick to your plan.

Consistent risk management allows your account to grow steadily over time through the power of compounding.