📊 Lot Size Calculator — precision risk & position sizing
⚙️ Trade Parameters
📐 Calculated Lot Size
Recommended Position Size (Standard Lots)
0.00
Mini Lots: 0.00 (0.1 std)
Micro Lots: 0.00 (0.01 std)
📦 Units: 0 (1 std = 100,000 units)
💰 Risk Amount (if stop hit)
$0.00
Max recommended daily loss: 2% of balance
🇺🇸 US specific standards: NFA & CFTC require maximum leverage 50:1 for major forex. FIFO rule applied. For retail traders, recommended risk per trade 1-2% aligns with CFTC guidelines. All US brokers must follow net capital requirements.
🌎 Global norms: ESMA (EU) leverage caps 30:1
🇬🇧 FCA: risk warnings
🇯🇵 JFSA: margin rules
🇦🇺 ASIC: negative balance protection
🇨🇦 IIROC: capital adequacy
📈 Risk comparison & prudent limit chart
Dynamic update | risk analysis
🔍 Pro risk insight: Your current trade risk should stay below 2% of equity. Conservative traders use 0.5%-1%. Adjust lot size if risk exceeds comfortable zone.
📖 How to use this lot size calculator
1. Enter your Account Balance and preferred Risk % per trade (industry standard 0.5%–2%).
2. Insert Stop Loss in pips (distance from entry to stop).
3. Set Pip value per standard lot — default $10 works for USD/EURUSD. Adjust if trading exotic pairs or account currency differs.
4. Pick your instrument type (affects pip reference).
5. (Optional) Enter Model Year to track strategies across years.
6. Results show ideal lot size (standard, mini, micro, units) plus risk amount. The graph compares your trade risk vs 2% threshold for extra safety.
1. Enter your Account Balance and preferred Risk % per trade (industry standard 0.5%–2%).
2. Insert Stop Loss in pips (distance from entry to stop).
3. Set Pip value per standard lot — default $10 works for USD/EURUSD. Adjust if trading exotic pairs or account currency differs.
4. Pick your instrument type (affects pip reference).
5. (Optional) Enter Model Year to track strategies across years.
6. Results show ideal lot size (standard, mini, micro, units) plus risk amount. The graph compares your trade risk vs 2% threshold for extra safety.
🧠 Expert tips for consistent position sizing
• Always calculate lot size BEFORE entering any trade → prevents emotional decisions.
• In volatile markets, reduce lot size by 30-50% while keeping stop loss wider.
• The “1% Rule” (risk only 1% per trade) is golden among professional traders globally.
• For US traders: pattern day trader rules for stocks different — but forex/cfd lot sizing remains vital.
• Use the custom “Model Year” to backtest different market cycles (bull/bear) and refine your risk.
• Always calculate lot size BEFORE entering any trade → prevents emotional decisions.
• In volatile markets, reduce lot size by 30-50% while keeping stop loss wider.
• The “1% Rule” (risk only 1% per trade) is golden among professional traders globally.
• For US traders: pattern day trader rules for stocks different — but forex/cfd lot sizing remains vital.
• Use the custom “Model Year” to backtest different market cycles (bull/bear) and refine your risk.
🌍 Cross-border standards: ASIC (Australia), CySEC, DFSA among others recognize similar position sizing fundamentals — this calculator aligns with risk-first methodology recognized by global regulators.