Guardrail
Free Trading Tools

Professional Trading Calculators

Essential tools for risk management and position sizing. No signup required. Use these calculators to make better trading decisions.

Risk of Ruin Calculator

Calculate the probability of blowing up your account based on your win rate, risk per trade, and trading stats.

  • Survivable losses calculation
  • Recommended risk level
  • Expectancy analysis

Want More Features?

Create a free account to save your calculations, track your trades, and get personalized risk recommendations based on your actual trading history.