Conversion%20Factors%20and%20Relationships

# Conversion%20Factors%20and%20Relationships - Conversion...

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Conversion Factors and Relationships Length SI Unit: meter (m) 1 m = 1.0936 yd 1 cm = 039370 in 1 in = 2.54 cm (exactly) 1 km = 0.62137 mi 1 mi = 5280 ft = 1.609 km 1 Å = 10 -10 m Temperature SI Unit: Kelvin (K) 0 K = -273.15 o C = -459.67 o F K = o C + 273.15 o C = ( o F-32)/(1.8) o F = (1.8)( o C) +32 Energy (derived) SI Unit: Joule (J) 1 J = 1 kg·m 2 /s 2 = 0.23901 cal = 1 C·V = 9.4781 x 10 -4 BTU 1 cal = 4.184 J 1eV = 1.6022 x 10 -19 J Pressure (derived) SI Unit: Pascal (Pa) 1 Pa = 1 N/m 2 = 1 kg/(m·s 2 ) 1 atm =101,325 Pa 1 atm = 760 torr 1 atm = 1 mm Hg = 14.70 lb/in 2 1 bar = 10 5 Pa 1 torr = 1 mmHg Volume (derived) SI Unit: cubic meter (m 3 ) 1 L = 10 -3 m 3 = 1 dm 3 = 10 3 cm 3 = 1.0567 qt 1 gal = 4 qt = 3.7854 L 1 cm 3 = 1 mL 1 in 3 = 16.39 cm 3 1 qt = 32 fluid oz Mass SI Unit: kilogram (kg) 1 kg = 2.2046 lb 1 lb = 453.59 g = 16 oz 1 amu = 1.66053873 x 10 -27 kg 1 ton = 2000 lb = 907.185 kg 1 metric ton = 1000 kg = 2204.6 lb Geometric Relationships π = 3.14159… Circumference of a circle
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