16 outs on the flop against a third-pot bet: call or fold

The numbers favor a call. 16 outs on the flop reach 56.98%, and a third-pot bet asks only for 20.00%.

Verdict

Call

16 outs, flop, third-pot bet

  • Chance to hit by the rivertwo cards to come56.98%
  • Equity the call needs$33.33 into a pot of $166.6720.00%
  • Margin over the priceyour chance minus the price+36.98 points

Comparing the draw with the bet

The call is clearly worth making. 56.98% is your chance to hit, 20.00% is the price, and the gap between them is 36.98 points.

No single everyday draw has exactly 16 outs, so a count like this usually combines draws. One card from the 47 unseen helps 34.04% of the time.

A $100 pot, step by step

  • Starting pot$100
  • Size of the bet$33.33
  • Cost to call$33.33
  • Pot after your call$166.67
  • You can win on a hit$133.33
  • Net loss when you miss$33.33
  • Your chance to hit56.98%
  • Average value of the call+$61.64
  • Break-even equity20.00%
  • Unrounded margin+36.9843 points
  • Outs at break-even4.91 outs
  • Your outs minus break-even outs+11.09 outs

Stay with simple rules: the whole pot on a hit, the call lost on a miss, no more money in. Under them calling gains $61.64 on average. The hit side averages $75.98, the miss side $14.34, and each dollar called returns +1.849.

In odds, you face 0.75 : 1 against you and the pot pays 4 : 1.

The correct pot to divide by includes your call. Without it the price reads 25.00% rather than 20.00%, and the margin reads +31.9843 points. With the starting pot alone it reads 33.33% and +23.6509 points.

Reverse implied odds and your margin

5 outs is the line for a third-pot bet on the flop. Your 16 sit 11 outs above it, and the chance at the line is 20.35%.

Your margin is worth $108.17 in later losses. Past that, 3.25 times your call, folding would have been better.

Price of a third-pot call if you give money back after a hit, 16 outs on the flop
Given back laterPrice with itYour chance minus priceValue of the callCall?
$020.00%+36.98 points+$61.64Call
$1021.28%+35.71 points+$55.94Call
$2523.53%+33.45 points+$47.39Call
$5028.57%+28.41 points+$33.15Call
$10050.00%+6.98 points+$4.66Call

Next card or river

Here the cards to come do not matter for the verdict. 34.04% on one card and 56.98% on two both say call at a price of 20.00%.

16 outs against a third-pot bet, one view per row
Cards countedChanceMargin over priceValue of the callVerdict
By the river, two cards56.98%+36.9843 points+$61.64Call
Next card only34.04%+14.0426 points+$23.40Call

Neighbors of this draw

Move up or down a few outs and watch the verdict. Every extra out is worth about 2.78 points on the flop, and the price stays at 20.00%.

Outs 14 to 18 on the flop against a third-pot bet
OutsBy the riverMarginVerdict
14 outs51.16%+31.16 pointsCall
15 outs54.12%+34.12 pointsCall
16 outs, this page56.98%+36.98 pointsCall
17 outs59.76%+39.76 pointsCall
18 outs62.44%+42.44 pointsCall

The same draw against other bet sizes

Look down the margin column to see where the draw stops paying. Every row uses 16 outs on the flop and a bet of a different size.

No bet size here outprices a 56.98% chance. The call works at all 12 sizes, since the highest price is 44.44%.

16 outs on the flop against every bet size
Bet sizeEquity neededMarginVerdict
quarter-pot16.67%+40.32 pointsCall
third-pot, this page20.00%+36.98 pointsCall
two-fifths-pot22.22%+34.76 pointsCall
half-pot25.00%+31.98 pointsCall
two-thirds-pot28.57%+28.41 pointsCall
three-quarter-pot30.00%+26.98 pointsCall
pot-size33.33%+23.65 pointsCall
1.25x-pot35.71%+21.27 pointsCall
1.5x-pot37.50%+19.48 pointsCall
2x-pot40.00%+16.98 pointsCall
3x-pot42.86%+14.13 pointsCall
4x-pot44.44%+12.54 pointsCall

How this is computed

No sampling is involved. On the flop there are 1,081 pairs of unseen cards, and 465 of them contain no out, which leaves 56.98% for at least one out.

The model is deliberately simple: call everything, win everything on a hit, face no more bets, deal from 47 equally likely unseen cards, and ignore an opponent's holding. With the price at $33.33 / $166.67 = 20.00%, later streets and shared outs are what change the real answer.

Computed from the closed form by the GeorgeLiPoker math library.

Updated

Questions

Should you call a third-pot bet with 16 outs on the flop?

By the numbers it is a call. 16 outs on the flop hit 56.98% by the river, a third-pot bet needs 20.00%, and the margin is +36.98 points. That assumes you call the full $33.33 and no more betting follows, and it values the call at +$61.64 per $100 pot.

What count of outs clears the price of a third-pot bet on the flop?

A call starts to work at 5 outs: 20.35% to hit versus 20.00% needed. One out fewer drops the chance to 16.47%. You hold 16, which is 11 more than the minimum.

Does it matter whether you count one card or two against a third-pot bet?

Two cards cost one bet only if the hand really ends here, and then 56.98% applies. If you will face the turn bet as well, 34.04% applies. Versus 20.00%, both views give a call.

Check your own hands against the numbers

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