Table of Conversion Factors and Constants
Conversion Factors

1 in. = 2.54 cm

1 pound = 453.6 g

1 quart = 0.9463 liter

oC = 5/9 (oF - 32)

oF = (9/5)oC + 32

16 oz. = 1 pound

1 cal. = 4.184 J

1 atm = 760 Torr
         = 1.01325x105 pascal

1 pascal = 1 Pa = 1 N/m2

1 volt = 1 joule/coulomb (1V = 1J/C)

1 ampere = 1 coulomb/second (1A = 1C/s)

Constants

Avogadro constant

 

 No 6.022141x1023

Absolute zero

 

 - 273.15 oC
Gas constant R 0.082057 L atm K-1 mol-1

 

 

 R 8.314472 J/K•mol

Planck's constant

 

 h 6.626069x10-34 J•sec

Speed of light

 

 c 2.997924x108 m/sec

Faraday's constant

 

 F 9.648534x104 C/mol e-

Electronic Charge

 

 e 1.602176x10-19 C
Density of water = 1.00 g/mL (at 25oC)