Start with the rules
Client-Side Decision & Table Engines
All calculations run 100% in your browser. Your bankroll and rule inputs never leave your device. Site analytics record tool identifiers and language when a result is calculated, without sensitive monetary values.
Strategy Chart Builder & Rule Diff
Generate an exact, color-coded basic strategy chart for your specific table rules (decks, S17/H17, DAS, surrender, peek). Diff Mode highlights departures from standard 6-deck Vegas rules.
Blackjack Table Grader & Hourly Cost Evaluator
Compare two blackjack tables side-by-side. Calculate exact house edge from rule parameters, assign letter grades (A–F), and project your expected cost per hour before buying chips.
Side Bet Auditor & Paytable Analyzer
Audit side bets including 21+3, Perfect Pairs, Bust It, and Lucky Ladies. Computes exact finite-shoe RTP, tier hit frequencies, and true expected drag per 100 hands.
Blackjack Bonus Clearing Calculator
Evaluate casino welcome and reload promotions. Factor in rollover requirements, blackjack contribution caps, and table variance to calculate Net EV and bust probability.
All calculations run 100% in your browser
Your bankroll and rule inputs never leave your device. Site analytics record tool identifiers and language when a result is calculated, without sensitive monetary values.
BlackjackMath.org Reference
For the academic derivations, recursive dealer trees and formal probability proofs behind these models, explore our partner:
Explore Formal Blackjack Mathematics on BlackjackMath.org →Choose a platform
Partner links
Live blackjack: compare the rules of the selected table
Table selection guide → Visit 1win 18+ · Terms on site
Blackjack: check the selected game and its rules
Table selection guide → Visit Stake 18+ · Terms on siteCheck local availability and the exact table rules before playing. Offers depend on your country and account. Current terms are on the operator’s site.