Position Size Calculator
Calculate your risk and lot size for Forex, Commodities, and Cryptos
Calculation Results
The Ultimate Forex & Commodity Position Size Calculator by Broker Judge
Proper risk management is the single most important factor that separates professional traders from gamblers. At Broker Judge, we built this comprehensive Position Size Calculator to help you determine the exact lot size for your trades across Forex, Commodities, Indices, and Cryptocurrencies. By calculating your exact risk before entering a trade, you protect your account from devastating losses and ensure long-term profitability.
How to Use the Broker Judge Position Size Calculator
Using our lot size calculator is simple and takes just a few seconds before you execute your trade:
- Step 1: Select Your Account Currency: Choose the base currency of your trading account (USD, EUR, GBP, etc.).
- Step 2: Enter Account Balance: Input your current total trading capital.
- Step 3: Define Your Risk: Enter the percentage of your account you are willing to risk (most professionals recommend 1% to 2% per trade).
- Step 4: Set Stop Loss: Enter the distance of your Stop Loss in pips or points.
- Step 5: Choose Asset Type: Select the market you are trading. Our tool automatically adjusts the pip/point value for standard Forex pairs, Gold (XAU/USD), Silver, Crude Oil, or Crypto.
Why Position Sizing Matters in Trading
Many beginner traders focus entirely on entry strategies and ignore position sizing. However, if your lot size is too big, a single losing trade can wipe out weeks of profits. Using the Broker Judge lot size calculator provides three major benefits:
- Emotional Control: When you know exactly how much money is at risk (e.g., exactly $100), you are less likely to panic and close a trade prematurely.
- Account Preservation: By risking a fixed 1% per trade, you would need to lose 100 trades in a row to blow your account, keeping you in the game longer.
- Universal Trading: Different assets have different contract sizes. 1 lot of EUR/USD is vastly different from 1 lot of Gold or Bitcoin. Our calculator normalizes this math for you.
The Position Size Formula Explained
If you want to know the math running behind the scenes, here is the standard formula used by top prop firms and institutional traders:
Position Size (Standard Lots) = [Account Balance × (Risk % / 100)] / (Stop Loss in Pips × Pip Value per Standard Lot)
Frequently Asked Questions (FAQ)
What is a good risk percentage per trade?
Most successful professional traders risk between 0.5% and 2% of their total account equity per trade. This conservative approach ensures that a string of inevitable losses (drawdown) does not ruin your trading account.
How do I calculate position size for Gold (XAU/USD)?
Gold is traded in ounces, and 1 Standard Lot of Gold equals 100 ounces. This means a $1 move in the price of Gold is worth $100 per standard lot. Simply select "Gold" from our Asset Preset menu, and the calculator will automatically apply the correct $100 point value for your calculation.
What are Standard, Mini, and Micro lots?
In forex, currency is traded in specific contract sizes:
• Standard Lot (1.00): 100,000 units of currency (roughly $10 per pip).
• Mini Lot (0.10): 10,000 units of currency (roughly $1 per pip).
• Micro Lot (0.01): 1,000 units of currency (roughly $0.10 per pip).
Our tool automatically breaks down your exact trade size into all three formats so you know exactly what to type into MetaTrader 4, MetaTrader 5, or TradingView.
Disclaimer: Trading foreign exchange on margin carries a high level of risk and may not be suitable for all investors. The calculations provided by Broker Judge are for educational purposes only.