1. Metric System Basic Units Length - - - Meters Volume - - - - Liters
Grams - - Weight
Temperature Celsius

2. Metric System Mega- M 1,000,000 = 106 Kilo- k 1,000 = 103 Hecto- h
100 = 102
Deka- da
10 = 101
Base Unit
10 = 100
Deci- d
0.1 = 10-1
Centi- c
0.01 = 10-2
Milli- m
0.001 = 10-3
Micro- 
= 10-6
Nano- n
= 10-9
Mega- M
1,000,000 = 106
Kilo- k
1,000 = 103
Hecto- h
100 = 102
Deka- da
10 = 101
Base Unit
10 = 100
Deci- d
0.1 = 10-1
Centi- c
0.01 = 10-2
Milli- m
0.001 = 10-3
Micro- 
= 10-6
Nano- n
= 10-9
5000
5 meters = _______ mm (move the decimal 3 to the right)
100 m = _______ mm (move the decimal 3 to the left)
0.100
If going from big to small, move the decimal to the right.
If going from small to big, move the decimal to the left.

3. Lengths "Average" virus 100 nm Resolution of light microscopes 200 nm
"Average" bacterium 1 m
"Average" eukaryotic cell 10 m
Resolution of the human eye 100 m
(0.1 m)
(0.2 m)
(1000 nm)

4. Conversions Current Units Conversion Factor Units you want grams
(2) but want this,
(1) If you have this,
(3) multiply by this.
Current Units
Conversion Factor
Units you want
grams
0.0022
pounds
0.0353
ounces
meters
3.28
feet
1.0936
yards
liters
1.057
quarts
4.2268
cups
degrees Celsius
1.8 (then add 32)
degrees Fahrenheit

5. Conversions Current Units Conversion Factor Units you want pounds
(2) but want this,
(1) If you have this,
(3) multiply by this.
Current Units
Conversion Factor
Units you want
pounds
453.59
grams
feet
0.3048
meters
quarts
0.946
liters
degrees Fahrenheit
subtract 32, then x 0.556
degrees Celsius

6. Ocular lenses
Objective lenses
Stage & Stage clip
Fine & Coarse focus
Condenser lens
Stage adjuster
Lamp
On / Off & brightness