LotMaster Pro

A simple, precise, and user-friendly web tool to calculate the optimal lot size for trading, including leverage and currency-specific pip values.

🚀 Features

• Account Size Input: Enter your trading account balance in USD
• Risk Percentage Selection: Choose your risk tolerance (0.5% - 5%)
• Stop Loss Input: Set your stop loss in pips
• Risk/Reward Ratio Selection: Select your desired risk-to-reward ratio (1:1 to 1:3)
• Currency Pair Selection: Choose from major pairs with Gold (XAU/USD) listed first
• Leverage Selection: Select your broker's leverage (1:10 to 1:500)
• Comprehensive Calculations:
  • Calculated lot size with smart rounding
  • Risk amount in USD
  • Take profit in pips
  • Expected profit amount
• Currency-Specific Pip Values: Accurate pip value calculations for each currency pair
• Clear Function: Reset all inputs for new calculations
• Responsive Design: Works seamlessly on desktop and mobile devices

🛠️ Installation & Usage

Quick Start

1. Download or clone this repository
2. Open index.html in any modern web browser
3. Start calculating your optimal lot sizes!

Online Demo

https://logiccrafterdz.github.io/LotMaster-Pro/

💡 How to Use

1. Enter Account Size: Input your trading account balance in USD
2. Select Risk Percentage: Choose how much of your account you're willing to risk per trade
3. Set Stop Loss: Enter your stop loss distance in pips
4. Choose Risk/Reward Ratio: Select your target profit ratio
5. Select Currency Pair: Choose the instrument you want to trade
6. Set Leverage: Select your broker's leverage ratio
7. Calculate: Click the calculate button to get your optimal lot size
8. Clear: Use the clear button to reset all fields for a new calculation

🧮 Calculation Formula

Risk Amount = Account Size × Risk Percentage
Lot Size = Risk Amount ÷ (Stop Loss Pips × Pip Value)
Take Profit Pips = Stop Loss Pips × Risk/Reward Ratio
Expected Profit = Risk Amount × Risk/Reward Ratio

💱 Supported Currency Pairs

• XAU/USD (Gold) - $10 per pip (1 oz lot)
• EUR/USD - $10 per pip (standard lot)
• GBP/USD - $10 per pip (standard lot)
• AUD/USD - $10 per pip (standard lot)
• NZD/USD - $10 per pip (standard lot)
• USD/JPY - $9 per pip (standard lot)
• USD/CHF - $9 per pip (standard lot)
• USD/CAD - $9 per pip (standard lot)

🔧 Technical Details

• Frontend: Pure HTML5, CSS3, and Vanilla JavaScript
• No Dependencies: Runs entirely in the browser
• Responsive: Mobile-first design approach
• Cross-Browser: Compatible with all modern browsers
• Offline Ready: Works without internet connection

📁 Project Structure

LotMaster/
├── index.html          # Main application file
├── README.md          # Project documentation
├── .gitignore         # Git ignore rules
└── assets/            # Future assets folder
    ├── screenshot-main.png
    └── screenshot-results.png

🤝 Contributing

Contributions, issues, and feature requests are welcome! Feel free to check the issues page.

📝 License

© 2025 LogicCrafterDZ. All rights reserved.

🙏 Acknowledgments

• Built with modern web technologies
• Designed for traders by traders
• Focused on accuracy and ease of use

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Made with ❤️ for the trading community