dew point to grains conversion

Dew Point Degrees To Grains of Moisture Per Pound This table will give the engineer the grains of moisture per pound of air at various dew points in degrees F and C ranging from 100°F to -100°F.
Dew Point Degrees °F & °C To Grains/Pound
Dew Point Dew Point Dew Point Dew Point
Degrees °F Degrees ° C Grains/ Pound Degrees °F Degrees ° C Grains/ Pound Degrees °F Degrees ° C Grains/ Pound Degrees °F Degrees ° C Grains/ Pound
100 37.78 302.3 50 10.00 53.6 – 1 – 18.33 5.23 – 51 – 46.11 .27
99 37.22 292.7 49 9.44 51.6 – 2 – 18.89 4.96 – 52 – 46.67 .25
98 36.67 283.4 48 8.89 49.7 – 3 – 19.44 4.71 – 53 – 47.22 .23
97 36.11 274.4 47 8.33 47.8 – 4 – 20.00 4.46 – 54 – 47.78 .22
96 35.55 265.6 46 7.78 46.1 – 5 – 20.56 4.23 – 55 – 48.33 .21
95 35.00 257.1 45 7.22 44.3 – 6 – 21.11 4.01 – 56 – 48.89 .19
94 34.44 248.9 44 6.67 42.6 – 7 – 21.67 3.79 – 57 – 49.44 .18
93 33.89 240.9 43 6.11 41.0 – 8 – 22.22 3.59 – 58 – 50.00 .17
92 33.33 233.1 42 5.55 39.5 – 9 – 22.78 3.41 – 59 – 50.56 .15
91 32.78 225.6 41 5.00 38.0 – 10 – 23.33 3.23 – 60 – 51.11 .14
90 32.22 218.3 40 4.44 36.5 – 11 – 23.89 3.05 – 61 – 51.67 .13
89 31.67 211.2 39 3.89 35.1 – 12 -24.44 2.89 – 62 – 52.22 .13
88 31.11 204.3 38 3.33 33.7 – 13 – 25.00 2.73 – 63 – 52.78 .12
87 30.55 197.7 37 2.78 32.4 – 14 – 25.55 2.58 – 64 – 53.33 .11
86 30.00 191.2 36 2.22 31.2 – 15 – 26.17 2.44 – 65 – 53.89 .10
85 29.44 184.9 35 1.67 29.9 – 16 – 26.67 2.31 – 66 – 54.44 .09
84 28.89 178.8 34 1.11 28.8 – 17 – 27.22 2.18 – 67 – 55.00 .09
83 28.33 173.0 33 0.56 27.6 – 18 – 27.78 2.06 – 68 – 55.56 .08
82 27.78 167.2 32 0.00 26.5 – 19 – 28.33 1.95 – 69 – 56.11 .07
81 27.22 161.7 31 – 0.56 25.3 – 20 – 28.89 1.83 – 70 – 56.67 .07
80 26.67 156.3 30 – 1.11 24.2 – 21 – 29.44 1.74 – 71 – 57.22 .06
79 26.11 151.1 29 – 1.67 23.1 – 22 – 30.00 1.63 – 72 – 57.78 .06
78 25.55 146.0 28 – 2.22 22.0 – 23 – 30.56 1.55 – 73 – 58.33 .05
77 25.00 141.1 27 – 2.78 21.0 – 24 – 31.11 1.45 – 74 – 58.89 .05
76 24.44 136.4 26 – 3.33 20.1 – 25 – 31.67 1.37 – 75 – 59.44 .05
75 23.89 131.7 25 – 3.89 19.1 – 26 – 32.22 1.29 – 76 – 60.00 .04
74 23.33 127.3 24 – 4.44 18.2 – 27 – 32.78 1.22 – 77 – 60.56 .04
73 22.78 123.0 23 – 5.00 17.4 – 28 – 33.33 1.15 – 78 – 61.11 .04
72 22.22 118.8 22 – 5.56 16.6 – 29 – 33.89 1.08 – 79 – 61.67 .03
71 21.67 114.7 21 – 6.11 15.8 – 30 – 34.44 1.02 – 80 – 62.22 .03
70 21.11 110.7 20 – 6.67 15.1 – 31 – 35.00 .96 – 81 – 62.77 .03
69 20.56 107.0 19 – 7.22 14.4 – 32 – 35.56 .91 – 82 – 63.33 .03
68 20.00 103.2 18 – 7.78 13.7 – 33 – 36.11 .85 – 83 – 63.89 .02
67 19.44 99.7 17 – 8.33 13.0 – 34 – 36.67 .80 – 84 – 64.44 .02
66 18.89 96.2 16 – 8.89 12.4 – 35 – 37.22 .75 – 85 – 65.00 .02
65 18.33 92.8 15 – 9.44 11.8 – 36 – 37.78 .71 – 86 – 65.56 .02
64 17.78 89.6 14 – 10.00 11.2 – 37 – 38.33 .69 – 87 – 66.11 .02
63 17.22 86.5 13 – 10.56 10.7 – 38 – 38.89 .63 – 88 – 66.67 .02
62 16.67 83.4 12 – 11.11 10.2 – 39 – 39.44 .59 – 89 – 67.22 .01
61 16.11 80.4 11 – 11.67 9.7 – 40 – 40.00 .55 – 90 – 67.78 .01
60 15.56 77.6 10 – 12.22 9.2 – 41 – 40.56 .52 – 91 – 68.33 .01
59 15.00 74.8 9 – 12.78 8.8 – 42 – 41.11 .49 – 92 – 68.89 .01
58 14.44 72.1 8 – 13.33 8.3 – 43 – 41.67 .46 – 93 – 69.44 .01
57 13.89 69.5 7 – 13.89 7.9 – 44 – 42.22 .43 – 94 – 70.00 .01
56 13.33 67.0 6 – 14.44 7.5 – 45 – 42.78 .40 – 95 – 70.56 .01
55 12.78 64.0 5 – 15.00 7.1 – 46 – 43.33 .38 – 96 – 71.11 .01
54 12.22 62.3 4 – 15.56 6.8 – 47 – 44.89 .35 – 97 – 71.67 .01
53 11.67 60.0 3 – 16.11 6.4 – 48 – 44.44 .33 – 98 – 72.22 .01
52 11.11 57.8 2 – 16.67 6.1 – 49 – 45.00 .31 – 99 – 72.78 .01
51 10.56 55.7 1 – 17.22 5.8 – 50 – 45.56 .29 – 100 – 73.33 .01
      0 – 17.78 5.5