Specifications

64
18. Appendix C - Conversion Factors
TO CONVERT FROM TO EQUATION
Feet Meters Multiply by 0.3048
Meters Feet Multiply by 3.2808399
Degrees Celsius Degrees Fahrenheit
9/5×(
o
C)+32
Degrees Fahrenheit Degrees Celsius
5/9×(
o
F-32)
Milligrams per liter (mg/l) Parts per million (ppm) Multiply by 1
Conversion Factors for Common Units of Pressure
kilo Pascals mm Hg millibars inches H
2
0 PSI inches Hg
1 atm
101.325 760.000 1013.25 406.795 14.6960 29.921
1 kiloPascal
1.00000 7.50062 10.0000 4.01475 0.145038 0.2953
1 mmHg
0.133322 1.00000 1.33322 0.535257 0.0193368 0.03937
1 millibar
0.100000 0.750062 1.00000 0.401475 0.0145038 0.02953
1 inch H
2
0
0.249081 1.86826 2.49081 1.00000 .0361 0.07355
1 PSI
6.89473 51.7148 68.9473 27.6807 1.00000 2.0360
1 inch Hg
3.38642 25.4002 33.8642 13.5956 0.49116 1.00000
1 hectoPascal
0.100000 0.75006 1.00000 0.401475 0.0145038 0.02953
1 cm H
2
0
0.09806 0.7355 9.8 x 10
-7
0.3937 0.014223 0.02896