Calculator
How long will my bankroll last?
Expected loss = bet × (1 − RTP). Bankroll ÷ expected loss = expected spins.
Worked example
$200 bankroll, $1 bet, 96% RTP. House edge = 4%, expected loss/spin = $0.04. Expected spins = 200 ÷ 0.04 = 5,000.
At 400 spins/hour, expected play time = 12.5 hours. Real variance makes that a median — half of sessions will end much sooner, half much later.