# Conversion Factors and Common Units of Measurement

TABLE A.1

Metric System Prefixes, Symbol, and Conversion Factors

 Prefix Symbol Conversion Factor Giga G 1,000,000,000 Mega M 1,000,000 Kilo k 1,000 Hecto h 100 Deca da 10 1 Deci d 0.1 Centi c 0.01 Milli m 0.001 Micro P 0.000001

TABLE A.2

Example of Applying These Prefixes to Length Measured in Meters

 Prefix Symbol Conversion Factor Gigameter Gm 1 Gm = 1,000,000,000 meters Megameter Mm 1 Mm = 1,000,000 meters Kilometer km 1 km = 1,000 meters Hectometer hm 1 hm = 100 meters Decameter dam 1 dam = 10 meters Meter m 1 meter Decimeter dm 1 dm = 0.1 meters Centimeter cm 1 cm = 0.01 meters Millimeter mm 1 mm = 0.001 meters Micrometer pm 1 pm = 0.000001 meters

TABLE A.3

Common Properties, International System of Units and Abbreviations

 Property SI Units Abbreviation Band gap Electron volt eV Concentration Moles per liter mol/l Current Ampere A Dielectric strength Volts per millimeter V/mm Energy Joules J Impact resistance Joules per meter J/m Irradiance Watts per square meter-nanometer W/(m2 • nm) Melt flow index Grams per 10 minutes g/10 min Modulus Newtons per square meter = pascal N/m2 = Pa Molecular weight Grams per mole g/mol Oxygen transmission rate Cubic centimeter per square meter per day cm3/m2/day Peel strength Newtons per meter N/m Power Watts = joules per second W = J/s Strain Percent % Stress Newtons per square meter N/m2 Temperature Kelvin K Thermal conductivity Watts per meter-kelvin W/(m • K) Viscosity Newton-second per square meter (N • s)/m2 Voltage Volts V Volume resistivity Ohms-centimeter fl • cm Water vapor transmission rate Grams per square meter per day g/m2/day
Updated: August 23, 2015 — 11:01 am