
Customary 
Metric 
Length 
inch
 in 
foot
 ft 
yard
 yd 
mile
 mi 

1 ft =
12 in 
1 yd =
36 in
1 yd = 3 ft 
1 mi=63,360 in
1 mi = 5280 ft
1 mi=1760 yd 
The distance between the knuckles on your index finger is approximately 1 inch. 
Your notebook is approximately 1 foot tall. 
A baseball bat is approximately 1 yard long. 
Long distances are measured in miles. The distance a vehicle travels is measured in miles. 

centimeter cm 
decimeter  dm 
meter  m 
kilometer  km 
1 cm=10
mm 
1
dm=100 mm
1 dm=10 cm 
1 m=
1000 mm
1 m=100 cm
1 m=10dm 
1 km=1,000,000
mm
1 km=100,000 cm
1 km=10,000 dm
1 km=1000 m 
A paperclip is approximately 1 centimeter wide. 
A crayon is approximately 1 decimeter long. 
The distance from the floor to the door knob is approximately 1
meter. 
The length of 6 city blocks is approximately 1 kilometer long. 

Weight 
ounce
 oz 
pound
 lb 
ton 
T 

1 lb =
16 oz 
1 T =
32,000 oz
1 T = 2000 lb 
A slice a bread weighs about 1 ounce. 
A loaf of bread weighs about 1 pound. 
A car weighs about 1 ton. 

gram 
kilogram 

1 kilogram =
1000 grams 
A packet of sugar weighs about 1 gram. 
A book weighs about 1 kilogram. 
A car weighs about 1000 kilograms. 

Capacity 
cups  c 
pint  pt 
quarts  qt 
gallon  gal 

1 pt =
2 c 
1 qt =
4 c
1 qt = 2 pt 
1 gal
= 16 c
1 gal = 8 pt
1 gal = 4 qt 
A small cup of coffee holds approximately 1 cup. 
A tall glass of lemonade or a bowl of soup holds approximately 1 pint. 
Oil comes in a quartsized container. 
A large container of milk comes
in a 1 gallon container. 

milliliter  ml 
liter  l 

1 liter =
1000 milliliters 
Ten drops from a medicine dropper is approximately 1 milliliter. 
A bottle of cola is one liter. A very large bottle holds 3 liters. 
