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Pitot Tube Pressure To Air Speed Conversion Table

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Pitot tube pressure to air speed conversion table

Density of air at 21 c , 80m, 50% humidity: 1.18 kg/m3

Head Speed Speed


mm H2O m/s km/h
1 4.1 15 References:
2 5.8 21
3 7.1 25 Density of air:
4 8.2 29 http://www.denysschen.com/catalogue/density.aspx
5 9.1 33
6 10.0 36 Source of pitot tube formula:
7 10.8 39 http://en.wikipedia.org/wiki/Pitot_tube
8 11.5 41
9 12.2 44
10 12.9 46
11 13.5 49
12 14.1 51
13 14.7 53
14 15.2 55
15 15.8 57 Head Seed Speed
16 16.3 59 mm H2O m/s km/h
18 17.3 62 100 40.8 147
20 18.2 66 110 42.7 154
22 19.1 69 120 44.6 161
24 20.0 72 130 46.5 167
26 20.8 75 140 48.2 174
28 21.6 78 150 49.9 180
30 22.3 80 160 51.6 186
32 23.1 83 170 53.1 191
34 23.8 86 180 54.7 197
36 24.5 88 190 56.2 202
38 25.1 90 200 57.6 207
40 25.8 93 210 59.1 213
42 26.4 95 220 60.5 218
44 27.0 97 230 61.8 223
46 27.6 100 240 63.1 227
48 28.2 102 250 64.4 232
50 28.8 104 260 65.7 237
55 30.2 109 270 67.0 241
60 31.6 114 280 68.2 246
65 32.9 118 290 69.4 250
70 34.1 123 300 70.6 254
75 35.3 127
80 36.5 131
85 37.6 135 Matthias Wandel Woodgetars.ca
90 38.7 139 http://woodgears.ca/dust_collector/blower.html
95 39.7 143

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