Tools · Calculator
Calculator for Roulette Bankroll
Dis roulette bankroll calculator dey show how much one budget dey cost for each hour for one stake and one speed, and how long e dey usually last.
Bankroll
Stake
Spins for each hour
How to read di result
With $10 for each spin and 50 spins for one hour, you dey bet $500 every hour and you dey lose $13.51 of am for average. Di swing from one hour to anoda (±$70.71) big well well pass di expected loss, and na why sessions dey feel random but years no dey feel so. “Hours for di expected rate” na average; one bad hour fit carry one third of $500 bankroll.
Method and wetin we assume
Even-money bets. Expected loss = stake × spins / 37. Swing = stake × √spins (σ ≈ 1 for each unit for even money).