Parlay / Accumulator Calculator

Calculate potential payouts and profits for parlays (accumulators) with multiple legs. Supports standard parlays and system bets.

Multi-leg parlay calculator

Enter your stake and add 2 or more legs with their decimal odds. Choose between standard parlay (all legs must win) or system bet (partial wins allowed).

Total stake

Amount you want to wager on the parlay/system bet.

Currency (display)

Display currency for stakes and payouts.

Bet type

Standard Parlay System Bet

Standard: all legs must win. System: partial wins create multiple combinations.

Parlay legs

Leg 1

Leg 2

Enter decimal odds for each selection in your parlay. Minimum 2 legs.

Parlay Results

Total odds

Number of legs

Potential payout: Potential profit: Implied probability:

Legs breakdown

Leg	Odds	Implied Prob.

Calculations assume all legs are accepted at entered odds. Void legs, cancellations or rule changes may affect payouts. Check bookmaker terms.

What is a parlay bet?

A parlay (or accumulator) combines multiple bets into one. All selections must win for the parlay to pay out. Odds multiply together, creating higher potential returns but increased risk.

Example: A 3-leg parlay with odds 2.00, 1.85, 2.10 has total odds of 7.77 (2.00 × 1.85 × 2.10). A $100 stake returns $777 if all three win.

How to use this calculator

Enter your total stake amount.
Add legs by entering decimal odds for each selection.
Choose standard parlay or system bet if you want partial wins.
Click "Calculate" to see total odds, payout and profit breakdown.

Parlay betting tips

Parlays offer higher payouts but exponentially lower win probability with each added leg.
System bets provide insurance by allowing some legs to lose while still winning partial payouts.
Compare parlay odds to individual bet payouts - bookmaker margins compound in parlays.

Understanding Parlay Betting

Parlay betting (also called accumulator or combo betting) combines multiple selections into a single bet with multiplied odds and higher payouts.

How It Works

In a standard parlay, all selections must win for the bet to pay out. The odds are multiplied together: if you bet on 2.00, 1.85, and 2.50 odds, your total odds are 2.00 × 1.85 × 2.50 = 9.25. System bets allow partial wins by creating multiple smaller parlays from your selections - for example, a 2/3 system creates three 2-leg parlays from your 3 selections.

Benefits of Parlay Betting

Much higher payouts than individual bets with the same stake
Exciting way to follow multiple events with connected outcomes
System bets provide insurance against single losing selections

Practical Applications

Combining multiple favorites in different matches for enhanced odds
Building accumulator bets across different sports or leagues
Using system bets to hedge against unpredictable outcomes

Frequently Asked Questions

In a standard parlay, if any single leg loses, the entire bet loses. This is why parlays have higher payouts - they're riskier. System bets provide an alternative: they create multiple smaller parlays, so you can still win partial payouts even if some legs lose. For example, a 2/3 system bet creates three 2-leg parlays from your 3 selections, so you can still win if 2 out of 3 legs win.

Not necessarily. While parlays offer higher absolute payouts, bookmaker margins compound with each leg added. The more selections you add, the greater the house edge becomes. Single bets typically offer better value, but parlays are popular for entertainment and the potential for large returns from small stakes.

Most experienced bettors limit parlays to 2-5 legs. Each additional leg dramatically reduces your win probability - a 5-leg parlay with 50% probability per leg only has a 3.125% chance of winning. For better odds of success, consider system bets which allow partial wins, or focus on smaller parlays with higher confidence selections.

Parlay / Accumulator Calculator

Multi-leg parlay calculator