Free Trading Calculators
Practical calculation tools to help you manage risk, size positions correctly, and make better trading decisions. All free, no sign-up required.
Position Size Calculator
Calculate how many shares or contracts to trade based on your account size, stop loss level, and risk percentage. The most important calculator for any trader.
Trailing Stop Calculator
Calculate trailing stop levels using percentage or dollar amounts. Protect your profits as trades move in your favour.
ATR Trailing Stop Calculator
Use the Average True Range indicator to set volatility-based trailing stops that adapt to current market conditions.
Std Dev Trailing Stop
Calculate trailing stops using standard deviation to account for normal price fluctuation and market volatility.
Scaling Up Calculator
Understand what level of performance and account growth may be required to reach your trading goals over time.
Frequently Asked Questions
Are these calculators really free?
Yes. All calculators are completely free to use with no sign-up required. We believe every trader deserves access to proper risk management tools.
Can I use these for crypto trading?
Absolutely. Our calculators work for any tradeable asset — stocks, ETFs, options, forex, and cryptocurrencies. The math is universal.
Which calculator should I start with?
Start with the Position Size Calculator. It is the single most important tool for managing risk and the foundation of all our other calculators.