Arkansas State University
Department of Chemistry
and Physics
Answers - worksheet 1
Unit Conversions

 

Convert each of the following:

a)  1.56 ft to cm
 
1.56 ft  x 

12 in
 1 ft

x

2.54 cm
   1 in

 = 47.5 cm

b) 18.5 m to km
 
18.5 m  x
 1  km 
103 m
 = 18.5 x 10-3 km

c) 16.3 km to m
 

16.3 km  x

103 m
1  km 

 = 16.3 x 103 m

d) 247 kg to g
 

247 kg   x

   103 g
   1 kg		  = 2.47 x 105 g

e) 4.32 L to mL
 

4.32 L  x

  1 mL
10-3 L		 = 4.32 x 103 mL

f)  8251 L to  cm3
 

8251 L  x

   1 mL
  10-3 L		 x 1 cm3
1 mL		  = 8.251 x 106 cm3

g) 18.6 ft to m
 
18.6 ft  x 
12 in
 1 ft
 x 2.54 cm
  1 in		 x 10-2 m
  1cm		 = 5.67  m

h) 7.3 x 105 g to kg

7.3 x 105 g  x

 1  kg 
103 g

 = 7.3 x 102 kg 

i)  37 hr to s
 

37 hr  x

60 min
 1 hr

x

60 s
1 min

 = 1.3 x 105 s

j)  7.6 L to in3
 
7.6 L  x   1 mL
  10-3 L		 x 1 cm3
1 mL		 x    1 in 
2.54 cm		 x    1 in 
2.54 cm		 x    1 in 
2.54 cm		 = 4.6 x 102 in3

k)  4.3 gallons to L
 

4.3 gal   x

  4 qt
 1 gal

x

    1  L 
1.057 qt		 =  16 L

l) 1 mile to yds
 
1 mi   x 

5280 ft
  1 mi

    x    1 yd
    3 ft		  = 1760 yds

 

Useful Conversion Factors
1 ft = 12 in 453.6 g = 1 lb 1 lb = 16 oz
1 yd = 3 ft 1 mL = 1 cm3 60 s = 1 min
1 mi = 5280 ft 1.057 qt = 1 L 60 min = 1 hr
1 in = 2.54 cm 1 gal = 4 qt = 8 pt

to worksheet 2
back to worksheet 1
back to worksheet list