Odds - Common

Common Texas Holdem Odds
Pre-Flop Dealt Card Odds 
The % likelihood of being dealt pre-flop (face down) (non-suited unless otherwise stated):
[Key: A=ace, K=king, Q=queen, J=jack, T=ten, numbers=value on card, s=suited (otherwise unsuited. Suited is always better than unsuited)]

• Non-paired non-suited cards - 74%;
• Non-suited non-connected cards with at least 1 card between 2 and 9 - 53.%
• Suited cards - 24%;
• A to 9 - 21%
• Any connected cards - 16%
• A to 10 - 14%
• A to J - 9%
• Any pocket pair - 6%
• A to Q - 5%
• Any connected cards A to T - 5%
• Any connected and suited cards - 4%
• Any of AA, KK, QQ, JJ, TT - 2%
• Any of AKs, KQs, QJs, JTs - 1%
• AA - 0.5%
• AK - 0.3%

Pre-Flop Winning Odds
After the first two pre-flop cards are dealt, the rough odds of winning in common situations comparing two hands in the order of increasing advantage (of the set noted first) are:

• Pocket pair vs. two over cards - 55:45 or about 1:1 (roughly a 50-50 situation);
• Over card & under card vs. two middle cards - 60:40 or 1.5:1;
• Pocket pair vs. same card and one over card - 65:35 or 2:1;
• Two over cards vs. two under cards - 65:35 or 2:1;
• Pocket pair vs. one over card and one under card - 70:30 or 2.3:1;
• 1st and 3rd highest card vs. 2nd and 4th highest card - 70:30 or 2.3:1;
• Pocket pair vs. smaller pocket pair - 80:20 or 4:1;
• Pocket pair vs. two under cards - 80:20 or 4:1;
• Pocket pair vs. same card and one under card - 85:15 or nearly 6:1.

Odds for Realizing Turn & River Outs
The odds of making a:

• Flush with a 4 card flush draw: 35.0% (turn + river); 17% on river (some calculations place these odds at 50% or 40% and 25% or 20% respectively).
• Straight with an open-ended draw: 31.5% (turn + river); 15% (some have 17%) on river.
• Trips or two pair with a pair: 23% (turn + river); 11.5% on river.
• Straight with an inside draw: 16.5% (turn + river); 8% on river.
• Trips with a pair: 8.4% (turn + river); 4% on river.