COMMON CONVERSION FACTORS


ENGLISH
Length Volume Mass Pressure Energy
12 inches = 1 foot 8 ounces = 1 cup 16 ounces = 1 pound 14.7 psi = 1 atm 1000 cal = 1 kcal
3 feet = 1 yard 32 ounces = 1 quart 2000 pounds = 1 ton
1760 yards = 1 mile 2 cups = 1 pint
5280 feet = 1 mile 4 cups = 1 quart
2 pints = 1 quart
4 quarts = 1 gallon



METRIC
Length Volume Mass Pressure Energy
1 femtometer = 1E-15 meters 1 femtoliter = 1E-15 liters 1 femtogram = 1E-15 grams 1 kPa = 1E3 Pa 1000 J = 1 kJ
1 picometer = 1E-12 meters 1 picoliter = 1E-12 liters 1 picogram = 1E-12 grams
1 nanometer = 1E-9 meters 1 nanoliter = 1E-9 liters 1 nanogram = 1E-9 grams
1 micrometer = 1E-6 meters 1 microliter = 1E-6 liters 1 microgram = 1E-6 grams
1 millimeter = 1E-3 meters 1 milliliter = 1E-3 liters 1 milligram = 1E-3 grams
1 centimeter = 1E-2 meters 1 centiliter = 1E-2 liters 1 centigram = 1E-2 grams
1 kilometer = 1E3 meters 1 kiloliter = 1E3 liters 1 kilogram = 1E3 grams
1 mL = 1 cm3



METRIC ⇆ ENGLISH
Length Volume Mass Pressure Energy
2.54 cm = 1 inch 1.057 quarts = 1 liter 453.6 grams = 1 pound 101,325 Pa = 1 atm 1 cal = 4.184 J
101.325 kPa = 1 atm
760 mm Hg = 1 atm



CHEMISTRY
Length
1 Angstrom (Å) = 1E-10 meters
Mass

6.022E23 amu = 1 g
Density H2O = 1.00 g/mL
Number

6.022E23 atoms = 1 mole
6.022E23 molecules = 1 mole
Moles

6.022E23 atoms = 1 mol

6.022E23 molecules = 1 mol

R = 0.08206
L-atm
mol-K
         R = 8.314
J
mol-K
Temperature
°F =
9
5
°C + 32          °C =
5
9
(°F - 32) R = 0.08206
L-atm
mol-K
         R = 8.314
J
mol-K
Density
Density H2O = 1.00 g/mL
Pressure

1 mm Hg = 1 torr
760 torr Hg = 1 atm

R = 0.08206
L-atm
mol-K
Energy

1 cal = 4.184 J