Measuring with Metric Units
Length ( m ) meter
Volume ( L ) Liter
Mass ( g ) gram

The volume of 20 drops of liquid from a medicine dropper is approximately 1 mL.
A sugar cube has a volume of 1 cm 3 .
1 mL = 1 cm 3
(1 cc)

1 gallon of milk has about twice the volume of a 2-L bottle of soda.
1 gal = 3.8 L

1 kg = 2.2 lb
A 250 lb. person would weigh 113 kg

Converting between units is EASY!
k – – m
L g d
Write this down!
c m
Example: 120 mg to g
0 .
12 g

k – – m
L g d c m
Convert each of the following.
1.
15 cm = ______ m
2.
7.38 kg = ______ g
3.
607 mL = ______ L
4.
94.5 g = ______ kg

Quick Quiz!
1. Which of the following is the base unit for mass?
A. meter
B. gram
C. liter
D. mole

Quick Quiz.
2. How many mL in 0.20 L ?
A. 200 mL
B. 0.200 mL
C. 0.002 mL
D. 2000 mL

Quick Quiz.
1.34 x 10 0 g
3. How many cg are in 1.34 g ?
A. 1.34

10
–3
B. 13.4
C. 134
D. 1340
Convert 134 cg to Sci. Not. :
1.34 x 10 2 cg