Chi-Square Distribution Table

An entry in the table is the positive value x corresponding to the probabilty that a chi-square random variable is no greater than x when the degrees of freedom are specified.

Degrees of Freedom Probability
0.01 0.05 0.95 0.99 0.999
1 0.000 0.004 3.84 6.64 10.83
2 0.020 0.103 5.99 9.21 13.82
3 0.115 0.352 7.82 11.35 16.27
4 0.297 0.711 9.49 13.28 18.47
5 0.554 1.145 11.07 15.09 20.52
6 0.872 1.635 12.59 16.81 22.46
7 1.239 2.167 14.07 18.48 24.32
8 1.646 2.733 15.51 20.09 26.13
9 2.088 3.325 16.92 21.67 27.88
10 2.558 3.940 18.31 23.21 29.59
11 3.05 4.58 19.68 24.73 31.26
12 3.57 5.23 21.03 26.22 32.91
13 4.11 5.89 22.36 27.69 34.53
14 4.66 6.57 23.69 29.14 36.12
15 5.23 7.26 25.00 30.58 37.70
16 5.81 7.96 26.30 32.00 39.25
17 6.41 8.67 27.59 33.41 40.79
18 7.02 9.39 28.87 34.81 42.31
19 7.63 10.12 30.14 36.19 43.82
20 8.26 10.85 31.41 37.57 45.32
21 8.90 11.59 32.67 38.93 46.80
22 9.54 12.34 33.92 40.29 48.27
23 10.20 13.09 35.17 41.64 49.73
24 10.86 13.85 36.42 42.98 51.18
25 11.52 14.61 37.65 44.31 52.62
26 12.20 15.38 38.89 45.64 54.05
27 12.88 16.15 40.11 46.96 55.48
28 13.57 16.93 41.34 48.28 56.89
29 14.26 17.71 42.56 49.59 58.30
30 14.95 18.49 43.77 50.89 59.70