## Conversion Factors

 SQ centimetre Bar Metres Water Column Inches Water Column Metres Mercury Column Inches Mercury Column Pounds/ SQ Inch (psi) 1 Newton/m3 (pascal) 1 10.20 x 106 10 x 10~6 102.1 x 106 4.018 x 10"3 7.501 x 10"6 295.3 x 10"6 145 x 10"6 1 kilogram/ SQ centimetre 98.07 x 103 1 980.7 x 10 3 10.01 394.1 735.6 x 10"3 28.96 14.22 1 bar 100 x 103 1.020 1 10.21 401.8 750.1 x 10"3 29.53 14.5 1 metre water column 9.8 x 103 99.91 x 103 98 x 10 3 1 39.37 73.49 x 10 3 2.893 1.421 1 inch water column 248.9 2.538 x 103 2.489 x 103 25.4 x 10"3 1 1.867x 103 73.49 x 10 3 36.09 x 10 3 1 metre mercury column 133.3 x 103 1.36 1.333 13.6 535.7 1 39.37 19.34 1 inch mercury column 3.386 x 103 34.53 x 10'3 33.86 x 103 345.7 x 10'3 13.61 25.4 xlO"3 1 491.2 x 10'3 1 pound/ SQ inch (psi) 6.895 x 103 70.31 x 10"3 68.95 x 10"3 703.7 x 10"3 27.7 51.71 x 10"3 2.036 1

### NOTE: 1) Conversion factors based on g = 9.807 m/s2 = 32.174 ft/s2

1. Pound signifies pound (avdp)
2. Density of water at 15°C under atmospheric pressure = 999.13 Kg/m3
3. Density of mercury at 0°C under atmospheric pressure = 13595.5 Kg/m3

### NOTE: 1) Conversion factors based on g = 9.807 m/s2 = 32.174 ft/s2

1. Pound signifies pound (avdp)
2. Density of water at 15°C under atmospheric pressure = 999.13 Kg/m3
3. Density of mercury at 0°C under atmospheric pressure = 13595.5 Kg/m3
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