LotSizePro — Free Forex Lot Size Calculator & Beginner Academy

Fixed risk: choose 0.5–1.5% per trade. Beginners do best at 1% to keep emotions calm.
Stop by structure: place SL beyond a swing/zone or use ATR(14)×1–1.5. Don’t pick an arbitrary 10–20 pips in all markets.
Size with math: Lots = (Balance × Risk%) ÷ (SL pips × Pip value).
Think in R: -1R = your risk per trade (e.g., $25). Aim for +2R winners. Don’t let -1R become -2R.

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Disclaimer: LotSizePro.com is an educational platform and software tool. Trading foreign exchange (Forex) on margin carries a high level of risk and may not be suitable for all investors. The calculations provided by this tool are for educational purposes only and do not constitute financial advice.