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Unit Conversion Tables


The following tables provide multiplication factors for converting values of a physical quantity from one unit to another.  The tables are not comprehensive but include many of the units commonly encountered in water treatment.

Skip To Conversion Factors For Units of:

[Temperature]  [Area]  [Concentration]  [Flow Rate]  [Length]  [Mass]  [Pressure]  [Velocity]  [Volume]


Conversion Factors for Temperature

From To Formula
Fahrenheit (F) Celsius (C) (F-32) x 0.556
Celsius (C) Fahrenheit (F) 1.8 x C + 32

Conversion Factors for Units of Area

Unit A Unit B To Convert from A to B, multiply A by: To Convert from B to A, multiply B by:
cm in 0.155 6.452
cm ft 0.001  08 929.03
m ft 10.764 0.0929
in ft 0.006 94 144
 

Conversion Factors for Units of Concentration

Unit A Unit B To Convert from A to B, multiply A by: To Convert from B to A, multiply B by:
mg/dL ppm 10 0.1
mg/dL g/L 0.01 100
mg/L % 0.0001 10,000
mg/L ppm 1 1
g/L % 0.1 10

Conversion Factors for Units of Flow Rate

Unit A Unit B To Convert from A to B, multiply A by: To Convert from B to A, multiply B by:
gpm L/min 3.785 0.2642
ft/min L/min 28.32 0.0353
ft/min gpm 7.481 0.1337

Conversion Factors for Units of Length

Unit A Unit B To Convert from A to B, multiply A by: To Convert from B to A, multiply B by:
cm in 0.3937 2.54
cm ft 0.032 81 30.48
meters ft 3.281 0.3048

Conversion Factors for Units of Mass

Unit A Unit B To Convert from A to B, multiply A by: To Convert from B to A, multiply B by:
g lb 0.0022 453.6
kg lb 2.205 0.4536

Conversion Factors for Units of Pressure

Unit A Unit B To Convert from A to B, multiply A by: To Convert from B to A, multiply B by:
psi (lb/in) ft H2O 2.307 0.4335
psi kPa 6.895 0.145

Conversion Factors for Units of Velocity

Unit A Unit B To Convert from A to B, multiply A by: To Convert from B to A, multiply B by:
ft/min cm/sec 0.508 1.969
ft/sec cm/sec 30.48 0.0328
ft/min gpm/ft 7.481 0.1337
ft/sec gpm/ft 448.9 0.002 23
cm/sec gpm/ft 14.73 0.0679

Conversion Factors for Units of Volume

 

Unit A

Unit B To Convert from A to B, multiply A by: To Convert from B to A, multiply B by:
gal L 3.785 0.2642
gal ft 0.1337 7.481
gal M 0.003785 264.2
ft L 28.32 0.035 32

 
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All Content on this site is  intended for informational purposes for experienced water treatment professionals only.  Applied Membranes, Inc. does not assume any liability for any damages caused by the misapplication or misinterpretation of any of the information contained on this website.
Applied Membranes, Inc. 2007