T-Distribution Table (One tail)
For the T-Distribution Table for Two Tails, Click Here.
df |
a = 0.1 |
0.05 |
0.025 |
0.01 |
0.005 |
0.001 |
0.0005 |
∞ |
ta = 1.282 |
1.645 |
1.960 |
2.326 |
2.576 |
3.091 |
3.291 |
1 |
3.078 |
6.314 |
12.706 |
31.821 |
63.656 |
318.289 |
636.578 |
2 |
1.886 |
2.920 |
4.303 |
6.965 |
9.925 |
22.328 |
31.600 |
3 |
1.638 |
2.353 |
3.182 |
4.541 |
5.841 |
10.214 |
12.924 |
4 |
1.533 |
2.132 |
2.776 |
3.747 |
4.604 |
7.173 |
8.610 |
5 |
1.476 |
2.015 |
2.571 |
3.365 |
4.032 |
5.894 |
6.869 |
6 |
1.440 |
1.943 |
2.447 |
3.143 |
3.707 |
5.208 |
5.959 |
7 |
1.415 |
1.895 |
2.365 |
2.998 |
3.499 |
4.785 |
5.408 |
8 |
1.397 |
1.860 |
2.306 |
2.896 |
3.355 |
4.501 |
5.041 |
9 |
1.383 |
1.833 |
2.262 |
2.821 |
3.250 |
4.297 |
4.781 |
10 |
1.372 |
1.812 |
2.228 |
2.764 |
3.169 |
4.144 |
4.587 |
11 |
1.363 |
1.796 |
2.201 |
2.718 |
3.106 |
4.025 |
4.437 |
12 |
1.356 |
1.782 |
2.179 |
2.681 |
3.055 |
3.930 |
4.318 |
13 |
1.350 |
1.771 |
2.160 |
2.650 |
3.012 |
3.852 |
4.221 |
14 |
1.345 |
1.761 |
2.145 |
2.624 |
2.977 |
3.787 |
4.140 |
15 |
1.341 |
1.753 |
2.131 |
2.602 |
2.947 |
3.733 |
4.073 |
16 |
1.337 |
1.746 |
2.120 |
2.583 |
2.921 |
3.686 |
4.015 |
17 |
1.333 |
1.740 |
2.110 |
2.567 |
2.898 |
3.646 |
3.965 |
18 |
1.330 |
1.734 |
2.101 |
2.552 |
2.878 |
3.610 |
3.922 |
19 |
1.328 |
1.729 |
2.093 |
2.539 |
2.861 |
3.579 |
3.883 |
20 |
1.325 |
1.725 |
2.086 |
2.528 |
2.845 |
3.552 |
3.850 |
21 |
1.323 |
1.721 |
2.080 |
2.518 |
2.831 |
3.527 |
3.819 |
22 |
1.321 |
1.717 |
2.074 |
2.508 |
2.819 |
3.505 |
3.792 |
23 |
1.319 |
1.714 |
2.069 |
2.500 |
2.807 |
3.485 |
3.768 |
24 |
1.318 |
1.711 |
2.064 |
2.492 |
2.797 |
3.467 |
3.745 |
25 |
1.316 |
1.708 |
2.060 |
2.485 |
2.787 |
3.450 |
3.725 |
26 |
1.315 |
1.706 |
2.056 |
2.479 |
2.779 |
3.435 |
3.707 |
27 |
1.314 |
1.703 |
2.052 |
2.473 |
2.771 |
3.421 |
3.689 |
28 |
1.313 |
1.701 |
2.048 |
2.467 |
2.763 |
3.408 |
3.674 |
29 |
1.311 |
1.699 |
2.045 |
2.462 |
2.756 |
3.396 |
3.660 |
30 |
1.310 |
1.697 |
2.042 |
2.457 |
2.750 |
3.385 |
3.646 |
60 |
1.296 |
1.671 |
2.000 |
2.390 |
2.660 |
3.232 |
3.460 |
120 |
1.289 |
1.658 |
1.980 |
2.358 |
2.617 |
3.160 |
3.373 |
1000 |
1.282 |
1.646 |
1.962 |
2.330 |
2.581 |
3.098 |
3.300 |
df |
a = 0.2 |
0.10 |
0.05 |
0.02 |
0.01 |
0.002 |
0.001 |
∞ |
ta = 1.282 |
1.645 |
1.960 |
2.326 |
2.576 |
3.091 |
3.291 |
1 |
3.078 |
6.314 |
12.706 |
31.821 |
63.656 |
318.289 |
636.578 |
2 |
1.886 |
2.920 |
4.303 |
6.965 |
9.925 |
22.328 |
31.600 |
3 |
1.638 |
2.353 |
3.182 |
4.541 |
5.841 |
10.214 |
12.924 |
4 |
1.533 |
2.132 |
2.776 |
3.747 |
4.604 |
7.173 |
8.610 |
5 |
1.476 |
2.015 |
2.571 |
3.365 |
4.032 |
5.894 |
6.869 |
6 |
1.440 |
1.943 |
2.447 |
3.143 |
3.707 |
5.208 |
5.959 |
7 |
1.415 |
1.895 |
2.365 |
2.998 |
3.499 |
4.785 |
5.408 |
8 |
1.397 |
1.860 |
2.306 |
2.896 |
3.355 |
4.501 |
5.041 |
9 |
1.383 |
1.833 |
2.262 |
2.821 |
3.250 |
4.297 |
4.781 |
10 |
1.372 |
1.812 |
2.228 |
2.764 |
3.169 |
4.144 |
4.587 |
11 |
1.363 |
1.796 |
2.201 |
2.718 |
3.106 |
4.025 |
4.437 |
12 |
1.356 |
1.782 |
2.179 |
2.681 |
3.055 |
3.930 |
4.318 |
13 |
1.350 |
1.771 |
2.160 |
2.650 |
3.012 |
3.852 |
4.221 |
14 |
1.345 |
1.761 |
2.145 |
2.624 |
2.977 |
3.787 |
4.140 |
15 |
1.341 |
1.753 |
2.131 |
2.602 |
2.947 |
3.733 |
4.073 |
16 |
1.337 |
1.746 |
2.120 |
2.583 |
2.921 |
3.686 |
4.015 |
17 |
1.333 |
1.740 |
2.110 |
2.567 |
2.898 |
3.646 |
3.965 |
18 |
1.330 |
1.734 |
2.101 |
2.552 |
2.878 |
3.610 |
3.922 |
19 |
1.328 |
1.729 |
2.093 |
2.539 |
2.861 |
3.579 |
3.883 |
20 |
1.325 |
1.725 |
2.086 |
2.528 |
2.845 |
3.552 |
3.850 |
21 |
1.323 |
1.721 |
2.080 |
2.518 |
2.831 |
3.527 |
3.819 |
22 |
1.321 |
1.717 |
2.074 |
2.508 |
2.819 |
3.505 |
3.792 |
23 |
1.319 |
1.714 |
2.069 |
2.500 |
2.807 |
3.485 |
3.768 |
24 |
1.318 |
1.711 |
2.064 |
2.492 |
2.797 |
3.467 |
3.745 |
25 |
1.316 |
1.708 |
2.060 |
2.485 |
2.787 |
3.450 |
3.725 |
26 |
1.315 |
1.706 |
2.056 |
2.479 |
2.779 |
3.435 |
3.707 |
27 |
1.314 |
1.703 |
2.052 |
2.473 |
2.771 |
3.421 |
3.689 |
28 |
1.313 |
1.701 |
2.048 |
2.467 |
2.763 |
3.408 |
3.674 |
29 |
1.311 |
1.699 |
2.045 |
2.462 |
2.756 |
3.396 |
3.660 |
30 |
1.310 |
1.697 |
2.042 |
2.457 |
2.750 |
3.385 |
3.646 |
60 |
1.296 |
1.671 |
2.000 |
2.390 |
2.660 |
3.232 |
3.460 |
120 |
1.289 |
1.658 |
1.980 |
2.358 |
2.617 |
3.160 |
3.373 |
8 |
1.282 |
1.645 |
1.960 |
2.326 |
2.576 |
3.091 |
3.291 |