Parlay Calculator

Odds type
Stake
Commission
Odds for Bet 1
Odds for Bet 2
Parlay Odds
2.00
Total Payout
200.00
Implied Probability
50%
Profit
100.00

If you’ve ever tried to place a bet on multiple events especially as a system bet like “2 out of 3” or “3 out of 4” you know how tricky the math can be. That’s where the system bet calculator comes in: a handy tool that saves you from manual calculations and helps you see in advance what your potential payout might be.

What Is a System Bet and an Express Bet?

Let’s start with the basics. An express (parlay) bet is a wager on multiple events at once. All outcomes are linked: if even one loses, you lose everything. A system bet is smarter: it’s a combination of smaller parlays. For example, a “2 out of 3” system consists of three parlays, each covering two events. Even if one of the three fails, you can still win on the others. The most popular system types are:

How Does the System Bet Calculator Work?

It’s simple: you enter the odds for each event, your total stake, and the system type, and the calculator does the rest. It generates all possible combinations, multiplies the odds, divides your stake accordingly, and shows you the potential winnings for each scenario.

Example:

You use a “2 out of 3” system with odds of 1.80, 2.00, and 1.50, staking a total of $30. The calculator splits it into three $10 parlays:

If all three win, your total payout is $93. Even if one event loses, you still recover some winnings.

How to Use the Calculator:

  1. Choose your system (e.g., “2 out of 3”, “3 out of 4”).
  2. Enter the odds for each event.
  3. Specify your total stake (it will be distributed evenly across combinations).