Poker Pot Odds Calculator

Instantly calculate pot odds, required equity, and draw profitability. Enter pot size, bet size, and outs — free, no signup.

Common sizings:
Pot Odds Ratio
3:1
Pot Odds %
33.3%
Min. Equity to Call
33.3%
Required Equity to Break Even
0% 50% 100%
Draw Outs

How to Use This Pot Odds Calculator

Get instant pot odds and draw profitability — no math needed.

1

Enter Pot & Bet

Type the current pot size and the bet you need to call. Use sliders or preset buttons for common bet sizings.

2

Read Your Pot Odds

See the pot odds ratio, percentage, and the minimum equity you need to make a profitable call.

3

Add Outs (Optional)

Enter your number of outs and select the current street. The calculator shows your draw probability and whether calling is profitable.

What Are Pot Odds?

Pot odds are the ratio between the current pot size and the cost of your call. They tell you the minimum win rate your hand needs to justify calling a bet. If the pot is $100 and you must call $50, you're getting 3:1 odds — meaning you need to win at least 25% of the time to break even.

Pot odds are one of the most fundamental concepts in poker. Every decision to call, fold, or raise can be evaluated through the lens of pot odds vs. your hand equity. Mastering this concept separates losing players from winning ones.

Pot Odds Examples

Here are four common situations showing how pot odds guide your decisions at the table.

Small Bet (⅓ Pot)

Pot $100 → Bet $33 → Pot Odds 4:1 → Need 20%

A small bet gives you excellent odds to call. Most draws and even weak pairs have enough equity here. Folding to a ⅓ pot bet is rarely correct if you have any piece of the board.

Half Pot Bet

Pot $100 → Bet $50 → Pot Odds 3:1 → Need 25%

The most common bet size in modern poker. You need 25% equity — roughly a flush draw on the flop qualifies. An open-ended straight draw (8 outs, ~31% equity) is a clear call.

Pot-Sized Bet

Pot $100 → Bet $100 → Pot Odds 2:1 → Need 33%

A big bet demands strong equity. A naked gutshot (4 outs, ~17%) is a fold. A flush draw (9 outs, ~35%) is still a call, but just barely. Position and implied odds matter a lot here.

Overbet (2× Pot)

Pot $100 → Bet $200 → Pot Odds 1.5:1 → Need 40%

Overbets put maximum pressure. You need 40% equity just to break even. Only premium draws (flush + straight combo) or made hands should consider calling.

Key Concepts

Implied Odds

Implied odds account for additional money you expect to win on later streets when you hit your draw. A flush draw might not have direct pot odds to call, but if your opponent will pay off a big river bet, the implied return makes calling profitable.

Reverse Implied Odds

Reverse implied odds are the money you lose when you hit your draw but still lose. For example, making a low flush when the opponent has a higher flush. This risk reduces the effective value of your draw.

Rule of 2 and 4

Quick shortcut: multiply your outs × 4 on the flop (two cards to come) or × 2 on the turn (one card to come). This gives an approximate draw percentage within 1–2% accuracy for up to 12 outs.

Break-Even Equity

Break-even equity is the minimum winning percentage needed so that calling neither makes nor loses money. Formula: Bet ÷ (Pot + Bet) × 100. If your actual equity is higher, calling is +EV.

Frequently Asked Questions

How do I calculate pot odds?

Divide the current pot by the bet you need to call to get the ratio (e.g., $100 pot / $50 bet = 2:1). Convert to percentage: 1 ÷ (2+1) = 33%. This is the minimum equity your hand needs to justify calling.

What's the difference between pot odds and equity?

Pot odds tell you the price you're paying (the break-even threshold). Equity is how often your hand actually wins. If your equity exceeds the pot odds requirement, calling is mathematically profitable. See more in our poker glossary.

Should I always fold if pot odds say I'm behind?

Not necessarily. Implied odds can make up the difference. If you'll win a large pot when you hit, the future winnings can justify a call even when direct pot odds are insufficient. But be honest about whether your opponent will really pay you off.

How many outs does a flush draw have?

A flush draw has 9 outs (13 cards of a suit minus the 4 you already see). On the flop with two cards to come, that gives about 35% equity. On the turn with one card to come, it's about 19.6%.

Can I use this calculator on mobile?

Yes. The calculator is fully responsive and works on any device — phone, tablet, or desktop. All calculations happen instantly in your browser with no server requests.

About the Author

Nick Korolev

Professional Poker Player & Software Expert

Nick Korolev is a professional poker player and software developer specializing in poker analytics tools. He combines real-money playing experience with software engineering expertise to build free, accurate poker calculators and trainers that help players improve their game.