Free Blackjack Calculator & Simulator with 100% Accurate Strategy
Customize blackjack rules around the world, practice card counting & beat the dealer with mathematically perfect plays — no downloads required. Practice with real-time suggestions in our blackjack simulator & daily challenges, or instantly solve any hand for max EV with our calculator.
How It Works
Blackjack Strategy Calculator
- Enter your hand and dealer upcard
- Get mathematically optimal move (Stay, Hit, Double Down, Split, Surrender)
- View win probability and expected return for every decision
Blackjack Simulator & Practice
- Play free blackjack hands online
- Learn when to Stay, Hit, Double Down, Split, or Surrender
- Improve your blackjack skills with real-time suggestions
Features
Perfect Strategy Analysis
Mathematically optimal blackjack decisions using card counting and probability theory.
Casino Rules Support
Supports all casino variations: 6-deck, 8-deck, dealer hits soft 17, surrender rules.
Blackjack Simulator
Practice blackjack online with real-time suggestions and strategy tips.
House Edge Calculator
Calculate your advantage and expected return for every blackjack decision.