Blackjack Card Counting Bet Spread Calculator
This tool is for studying the mathematics behind advantage play strategies. Enter your base bet, spread ratio, house edge, and hands per hour to estimate theoretical expected value over a session.
About this calculator
Estimate your theoretical hourly edge and expected value when using a specific bet spread based on true count and house rules, for educational study purposes.
Frequently Asked Questions
Is this calculator promoting gambling?
No, this tool is intended purely for educational study of the mathematics behind bet spreads and expected value, a common topic in probability and statistics coursework.
What is a bet spread?
A bet spread is the ratio between the minimum and maximum bet a player places depending on the count or perceived advantage, used in theoretical advantage-play studies.
Why is expected value sometimes negative?
If the average edge entered is negative, reflecting a house advantage rather than a player advantage, the expected value will be negative, illustrating the long-run cost of unfavorable games.