Break-Even Calculator

Calculate the break-even percentage for bluffs and hero calls. See how often your bluff needs to work or how much equity you need to call.

Your bluff

Pot size before your bet ($)

Your bet size ($)

Results

Break-even fold frequency

42.9%

Your bluff needs to work 42.9% of the time to be profitable

Risk / Reward

$75 : $100

0.75x pot bet

EV at 50% fold frequency

+$12.50

Opponent fold frequency: 50%

Never folds (0%)Break-even (43%)Always folds (100%)

42.9% fold equity needed

Break-even bluff frequency

CoinPoker

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BCPoker

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Bet Sizing Reference

Bet Size	Fraction of Pot	Break-Even %
1/4 pot	25%	20%
1/3 pot	33%	25%
1/2 pot	50%	33%
2/3 pot	67%	40%
3/4 pot	75%	43%← closest match
Full pot	100%	50%
1.5x pot	150%	60%
2x pot	200%	67%

How to Use Break-Even Math at the Table

Break-even analysis is one of the most practical math tools in poker. Whether you are deciding to bluff or call, knowing the exact percentage threshold where a play becomes profitable gives you a clear decision framework.

For bluffs: Calculate how often your opponent needs to fold for your bluff to show a profit. A half-pot bet needs folds 33% of the time. If you believe your opponent folds more than 33%, the bluff is profitable regardless of your actual hand strength. This is why smaller bluffs are often more efficient -- they risk less for the same pot.

For calls: Calculate the minimum equity you need against your opponent's range. If you are getting 3-to-1 pot odds, you only need 25% equity to make a profitable call. Compare this to your estimated hand equity to decide.

Bet sizing strategy: Larger bets put more pressure on your opponent but require higher fold frequencies to break even. Overbetting (betting more than the pot) is a powerful tool when your range is polarized -- you either have a very strong hand or nothing -- because it forces your opponent into difficult decisions with medium-strength hands.

Note: Break-even percentages assume a simplified model. Real poker decisions also involve future street considerations, range interactions, and position.

Your bluff

Results

42.9% fold equity needed

CoinPoker

BCPoker

Bet Sizing Reference

How to Use Break-Even Math at the Table

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Your bluff

Results

42.9% fold equity needed

CoinPoker

BCPoker

Bet Sizing Reference

How to Use Break-Even Math at the Table