Appendix B
Measurements
U.S. customary system
Parameter
Unit
Relation to other U.S. units
SI (metric) equivalent
Length
inch
1/12 foot
2.54 centimeters
foot
12 inches
0.305 meter
yard
36 inches
0.914 meters
mile
5,280 feet
1.609 kilometers
Mass
grain
1/1000 pound
64.799 milligrams
dram
1/16 ounce
1.772 grams
ounce
16 drams
28.350 grams
pound
16 ounces
453.6 grams
ton
2,000 pounds
90718 kilograms
Volume (Liquid)
ounce
1/16 pint
29.574 milliliters
pint
16 ounces
0.473 liter
quart
2 pints
0.946 liter
gallon
4 quarts
3.785 liters
Volume (Dry)
pint
1/2 quart
0.551 liter
quart
2 pints
1.101 liters
peck
8 quarts
8.810 liters
bushel
4 pecks
35.239 liters
International system (SI)
Base units
Prefixes
Unit
Quantity
Symbol
Prefix
Multiplier
Symbol
meter
length
m
tera-
1012 = 1,000,000,000,000
T
kilogram
mass
kg
giga-
109 = 1,000,000,000
G
second
time
s
mega-
106 = 1,0 0 0,00 0
M
liter
volume
L
kilo-
103 = 1,0 0 0
k
mole
amount of matter
mol
hecto-
102 = 100
h
deca-
101
= 10
da
deci-
10-1 = 0.1
d
centi-
10-2 = 0.01
c
milli-
10-3 = 0.001
m
micro-
10-6 = 0.000,001
v
nano-
10-9 = 0.000,000,001
n
pico-
10-12 = 0.000,000,000,001
p
5 1 2 A p p e n d ix B
M e a s u r e m e n ts
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