Conversion Factors
              Length                                                      Area
 12 inches = 1 foot                         144 sq. inches = 1 square foot
       3 feet = 1 yard                                  9 sq. feet  = 1 square yard
220 yards = 1 furlong                   4840 sq. yards  = 1 acre
8 furlongs = 1 mile                                 640 acres = 1 square mile
5280 feet = 1 mile                                   1 sq.mile = 1 section
1760 yards = 1 mile                              36 sections = 1 township

         Volume
1728 cu. inches = 1 cubic foot
27 cu. feet   = 1 cubic yard

 Capacity (Dry)                                      Capacity (Liquid)
                                                        16 fluid ounces = 1 pint
   2 pints = 1 quart                                        4 gills = 1 pint
8 quarts  = 1 peck                                       2 pints = 1 quart
4 pecks  = 1 bushel                                  4 quarts = 1 gallon (8 pints)
U.S. System of Measurements
Web-Science.net
A Middle School Level Website
METRIC CONVERSION FACTORS (rounded)
Conversions TO Metric Measures
in
inches
2.54
centimeters
cm
ft
feet
30.48
centimeters
cm
yd
yards
0.9
meters
m
mi
miles
1.6
kilometers
km
Symbol
When
You Know
Multiply
By
To
Find
Symbol
Length
Area
Temperature
Mass
Volume
 
square
inches
6.5
square
centimeters
 
 
square
feet
0.09
square
centimeters
 
 
square
yards
0.8
square
meters
 
 
square
miles
2.6
square
kilometers
 
Symbol
When
You Know
Multiply
By
To
Find
Symbol