Will I lose every session?
No. Short-term results vary. The edge becomes meaningful as the total amount wagered grows over many outcomes.
Casino math
House edge
calculator.
Compare the built-in edge of common games, then translate your total wagers into a long-run expected cost.
01 / Input
Choose a game
%
$USD
Expected loss
$1,000 × 5.26% = $52.60
Presets are common reference values. Rules, paytables, and strategy can change the exact edge.
02 / Readout
Here’s the long-run cost
Expected loss
$52.60
Lower edgeHigher edge
House edge5.26%
Player return / RTP94.74%
Per $100 wagered$5.26
Total wagered$1,000.00
GameAmerican roulette
ViewLong run
i
At a 5.26% house edge, $1,000 in total wagers carries a $52.60 long-run expected loss. One session can finish higher or lower.
Read it correctly
The edge is the price of the game.
House edge describes the average advantage built into the rules over a large amount of wagering.
H
House edge
The casino’s long-run mathematical advantage.
5.26% → $5.26 per $100R
RTP
The theoretical amount returned to players.
5.26% edge → 94.74% RTPCommon questions
Put the percentage in context
A house edge is a long-run measure. It helps compare games, but it cannot predict one spin, hand, or session.
What is RTP?
Return to player is the theoretical share returned over time. A 94.74% RTP corresponds to a 5.26% house edge.
Why do rules matter?
Paytables, rule variations, and strategy can change the exact edge. Treat presets as reference points, not guarantees.
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