Static Pressure & Wind Conversion Chart

Please note that these values do NOT include pressure coefficients.

             STATIC PRESSURE                        WIND SPEED  
Pa mm H20 psf m/s km/h mph
50 5.1 1.04 9.13 32.9 20.4
75 7.6 1.57 11.18 40.2 25.0
100 10.2 2.09 12.91 46.5 28.9
150 15.3 3.13 15.81 56.9 35.4
200 20.4 4.18 18.26 65.7 40.8
250 25.5 5.22 20.41 73.5 45.7
300 30.6 6.27 22.36 80.5 50.0
400 40.8 8.35 25.82 93.0 57.8
450 45.9 9.40 27.39 98.6 61.3
500 51.0 10.44 28.87 103.9 64.6
600 61.2 12.53 31.62 113.8 70.7
700 71.4 14.62 34.16 123.0 76.4
800 81.6 16.71 36.51 131.5 81.7
900 91.8 18.80 38.73 139.4 86.6
1000 102.0 20.89 40.82 147.0 91.3
1100 112.2 22.97 42.82 154.1 95.8
1200 122.4 25.06 44.72 161.0 100.0
1300 132.6 27.15 46.55 167.6 104.1
1400 142.8 29.24 48.30 173.9 108.1
1500 153.0 31.33 50.00 180.0 111.8
1600 163.1 33.42 51.64 185.9 115.5
1700 173.3 35.51 53.23 191.6 119.1
1800 183.5 37.59 54.77 197.2 122.5
1900 193.7 39.68 56.27 202.6 125.9
2000 203.9 41.77 57.74 207.8 129.1
2100 214.1 43.86 59.16 213.0 132.3
2200 224.3 45.95 60.55 218.0 135.5
2300 234.5 48.04 61.91 222.9 138.5
2400 244.7 50.13 63.25 227.7 141.5
2500 254.9 52.21 64.55 232.4 144.4
2600 265.1 54.30 65.83 237.0 147.3
2700 275.3 56.39 67.08 241.5 150.1
2800 285.5 58.48 68.31 245.9 152.8
2900 295.7 60.57 69.52 250.3 155.5
3000 305.9 62.66 70.71 254.6 158.2
3500 356.9 73.10 76.38 275.0 170.8
4000 407.9 83.54 81.65 293.9 182.6
4500 458.9 93.98 86.60 311.8 193.7
5000 509.8 104.43 91.29 328.6 204.2
5500 560.8 114.87 95.74 344.7 214.2
6000 611.8 125.31 100.00 360.0 223.7
6500 662.8 135.76 104.08 374.7 232.8