Chances of flopping
Probability
Odds Against
  With two unpaired cards
Nothing
71.0%
0.4
 to 1
One pair
26.9%
2.7
 to 1
Two pair (using both pocket cards)
2.0%
48.5
 to 1
Trips
1.3%
73.2
 to 1
Full house
0.1%
1,087.1
 to 1
Quads
0.0%
9,799.0
 to 1
  With pocket pair
Two pair
16.2%
5.2
 to 1
Set
10.8%
8.3
 to 1
Full house
0.7%
135.1
 to 1
Quads
0.2%
407.2
 to 1
  With two unsuited cards
Flush draw
2.2%
43.5
 to 1
Backdoor flush draw
12.8%
6.8
 to 1
Flush by the river
1.8%
53.3
 to 1
  With two suited cards
Flush
0.8%
117.8
 to 1
Flush draw
10.9%
8.1
 to 1
Backdoor flush draw
41.6%
1.4
 to 1
Flush by the river
6.4%
14.6
 to 1
  With pocket pair
Set
10.8%
8.3
 to 1
Full house
0.7%
136.0
 to 1
Quads
0.2%
407.2
 to 1
  With suited connectors
Straight
1.3%
76.5
 to 1
Straight draw (open-ended)
9.6%
9.4
 to 1
Flush draw
10.9%
8.1
 to 1
Straight or flush draw
19.1%
4.2
 to 1
  With connectors
Straight
1.3%
76.5
 to 1
Straight draw (open-ended)
9.6%
9.4
 to 1
Straight by the river
AK, A2
3.0%
32.3
 to 1
KQ, 23
6.5%
14.4
 to 1
QJ, 34
10.0%
9.0
 to 1
All others
13.0%
6.7
 to 1
  With 1-gap connectors
Straight
1.0%
101.0
 to 1
Straight draw (open-ended)
8.1%
11.4
 to 1
Straight by the river
AQ, A3
3.0%
32.3
 to 1
KJ, 24
6.5%
14.4
 to 1
All others
10.0%
9.0
 to 1