Slot bankroll calculator

The long-run cost of a session is simple arithmetic: total wagered × (1 − RTP). Enter your bet and how many rounds you play, and compare games side by side. For the spread of real sessions around that average, use the simulator.

Game or RTPRTPWagered per sessionExpected cost per sessionExpected cost per month
Expected cost is an average over a very large number of rounds. Real sessions vary a lot around it, especially on high-volatility games. Set a budget you can afford to lose and stop when it's gone.

New Engine slots, with the real numbers, every Friday

One email a week: new Engine slots with RTP and max-win odds, RTP changes and the most played games. Free, no casino offers on this site. Unsubscribe any time.