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Chemistry Conversion Factors and Constants

A comprehensive reference sheet of chemistry conversion factors, metric prefixes, constants, and unit conversions for mass, volume, length, temperature, pressure, time, and energy—ideal for quick access during calculations and lab work.

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    Chemistry Conversion Factors and Constants METRIC CONVERSION FACTORS Prefix Abbreviation Conversion Factor For Example... For Example... Filega- M 1000000 10“ 1 Megabyte = 1 x 1 0 = bytes 1 byte = 10"= Megabytes kilo- k 1DOO 10 1 1 kilometer = 1DCO meters 1 meter = D.C01 kilometers deci- d 0.1 1D-' 1 deciliter = 0.1 liters 1 liter = 1 0 deciliters centi- c o.di 10- 1 1 centimeter = 0.01 meters 1 meter =100' centimeters irdli- m 0.001 1D J 1 milliliter = 0.001 liters 1 liter = IDO'S milliliters micro- u 0.000001 10-= 1 microgram = 10"= grams 1 gram = 10F micrograms nano n 0.000000001 IO -3 1 nanometer = 1 0 s meters 1 meter = 1 0 ’ nanometers pics P 0.000000030001 I D ’ 13 1 picomeler = 10" 3 meters 1 meter = 10 1 3 picometers OTHER CONVERSION FACTORS AND CONSTANTS c B ? n t M s a - 1 round 1. 0567 quarts To ounces - T pound _ = 1 kilogram = 2.2 pounds m l r “ ™ 454 grams = 1 pound 0 = o n - p i l M 1 ton = 2000 pounds ’ S a l l ° " = 4 quarts = 12B fluid ounces 1 quart = 2 pints = 3 2 fluid ounces 1 pint = 2 cups = 1fl- fluid ounces L e ngthi'Distance 1 inch = 2.54 centi meters 1 mile = 5280 feet = 1.605 kilometers 1 yard = 3 feel = 3 6 inches = 0.9144 meters 1 meter = 39.37 inches =3.281 feel = 1.094 yards 1 kilometer = 1094 yards = D.6215 miles Density o f Water: 1.00 gfrnL Energy : 1 cal = 4.18 4 J Time 1 year = 365 days = 12 months = 52 weeks 1 day = 2 4 hours 1 hour = 6 0 minutes 1 minute = 6 0 seconds Temperature n C = | p F - 3 2 ) and D F = | " C j + 3 2 Kelvins = ° C + 2 7 3 . 1 5 Pressure Units: 1 alm = 760 mmHg = 101.325 kPa = 101325 Pa = 1.01325 bar = 14.7 psi = 29.92 inches Hg Useful Constants: Avogadro's Number ( N*) = 6.02 x 1D 32 items >' mole Speed of Light (c) = 3.00 x 1D 5 nVs I . T r r Planck's Constant (hi = 6.63 x I O - 3 * J » s Ideal Gas Constant (R) = 0.0821 ™

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