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    T-Distribution Table

    T-Distribution Table (One Tail)

    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

    Two Tails T Distribution Table

    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
    1000 1.282 1.645 1.960 2.326 2.576 3.091 3.291
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