Name _______________________________ Hour _______
Metrics and Unit Conversions
1. Distinguish between a base unit and a derived unit. Give 3 examples of each.
2. What is the formula for density? Give an example of units of density.
3. What is the density of a 2.0 gram object that has a volume of 50 cm3?
4. What is the mass of an object that has a volume of 330 mL and a density of 1.5 g/mL. What is the mass
in kg?
5. Do unit conversions change a measurement at all? If not, what do unit conversions change?
6. Fill in any blanks in the unit conversions. You are expected to know all conversion factors that you have
to fill in a blank for.
_______ days = 1 year
______ sec = 1 min
2.54 cm = 1 in
1 km = 0.62 miles
1 week = _______ days
1.06 L = 1 quart
________inches = 1 ft
_________m = 1 km
1 day = _______ hours
_____ quarts = 1 gal
5280 ft = 1 mile
________ cm = 1 m
_______ min = 1 hour
1 cm3 = 1 mL
3 ft = 1 yard
________ mm = 1 m
7. Complete the following conversions. Use the unit conversions on the front to help you. Show your work,
use the train track method (even if you can figure it out another way!) and make sure ALL of your final
answers have units!!
a. Convert 4.5 gallons into quarts
b. Convert 800 days into years
c. Convert 5,000 mg into grams
d. Convert 55 inches into cm
e. Convert 0.88 m into cm
f.
Convert 0.64 liters into mL
g. Convert 25 minutes into seconds
h. Convert 70 mL into cm3
i.
Convert 8 L into quarts
j.
Convert 10 kilometers into miles
k. Convert 0.25 miles into feet