Biology 105 – Practice Metric/Measurements Problems
 Quiz yourself! You may use a calculator, but nothing else! Please, please, please make sure to
show your work… The following information may prove useful (you will be given the same
information on the exam):
English to Metric conversions (and vice versa):
Length
English
1 in
39.37 in
1 mile
Metric
2.54 cm
1m
1.609 km
Volume
English
1 ft3
1.057 qt
1 gal
Metric
28.32 L
1L
3.7853 L
Mass
English
1 lb
1 oz
1 dram
Metric
453.59 g
28.35 g
1.772 g
Temperature conversions:
ºF = (ºC x (9ºF/5ºC) ) + 32
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1. Please fill in the appropriate values below (show your work!):
a) 310 cg = ____31______ dg
b) 4050 mm = ____4.05______ m
c) 200 L = _____20_____ daL
d) 9058 mL = ____0.9058______ daL
e) 75 g = ____75000______ mg
f) 0.03 kg = ____30______ g
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2. If the temperature outside were 75ºF, what would this be in Celsius?
23.9°C
3. If the temperature outside were 22ºC, what would this be in Fahrenheit
71.6°F
4. How many centimeters (cm) are equal to 25 millimeters (mm)?
2.5 cm
5. How many pounds does a 75 kg person weigh?
165 lbs
6. Your friend asks you to run 10 miles with them every morning. If you say “yes”, how many
kilometers will you be running with your friend each morning?
16.09 km
7. How many ounces would you weigh out if you needed 250 milligrams (mg)?
0.0088 oz
8. If you have 3 liters of milk in your fridge, how many gallons of milk do you have?
0.79 gallons
9. How many deciliters are in 5 gallons?
189 dL
10. How many deciseconds (ds) are in 15 centiseconds (cs)?
1.5 ds
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