Conversion Factors and Constants

Mega-

10^6

Kilo-

10³

Hecto-

10²

Deka-

10^1

Deci-

10^-1

Centi-

10^-2

Milli-

10^-3

Micro-

10^-6

Nano

10^-9

Pico-

10^-12

Femto-

10^-15

Angstrom

10^-10

1 lb —> ounces

16 ounces

1 kg —> lb

2.2 lb

1 lb —> grams

454 grams

1 ton —> lb

2,000 lb

What is the density of water?

1.00 g/mL

1 hr —> seconds

3,600 seconds

1 inch —> centimeters

2.54 centimeters

1 mile —> feet

5,280 feet

1 mile —> kilometers

1.609 kilometers

1 yard —> feet

3 feet

1 yard —> meters

0.9144 meters

1 meter —> inches

39.37 inches

1 meter —> yards

1.094 yards

1 kilometer —> yards

1094 yards

1 kilometer —> miles

0.6215 miles

1 cal —> joules

4.184 joules

1 atm —> mmHg

760 mmHg

1 atm —> kPa

101.325 kPa

What is Avogadro’s Number?

6.022 × 10²3 items/mole

Ideal Gas Constant (R)

0.0821 L*atm / mol*K

Speed of light? (c ) in m/s and mi/s

3.00 × 10^8 m/s

186,000 mi/s

What is Planck/s Constant? (h)

6.63 × 10^-34 J*s

1 gram —> ounces

0.0352 ounces

1 Liter —> Quarts

1.06 quarts

1 lb —> troy ounces

14.58 troy ounces

1 centimeter —> inches

0.394 inches