To Convert From Metric:
    Metric   x  factor =   This
 
             ** Length **
mm millimeters   0.04      inches in
cm centimeters   0.4       inches in
m  meters        3.3       feet   ft
m  meters        1.1       yards  yd
km kilometers    0.6       miles  mi
 
             **  Area  **
cm2 square cm    0.16      square in
m2  square m     1.2       square yd
km2 square km    0.4       square mi
ha  hectares     2.5       acres
 
             ** Weight **
g  grams         0.035    ounce   oz
kg kilograms     2.2      pounds  lb
t  tonnes        1.1      short tons
 
             ** Volume **
mi  milliliters  0.03       fluid oz
l   liters       2.1        pints pt
l   liters       1.06       quart qt
l   liters       0.26       US   Gal
l   liters       0.22       Imp  Gal
cubic meters    35          cubic ft
cubic meters     1.3        cubic yd
 
          ** Temperature **
C  Celsius   9/5(+32)   Fahrenheit F
 
To Convert To Metric:
    This   x  Factor =  Metric
 
           ** Length **
in inches      2.54    centimeter cm
ft feet       30       centimeter cm
yd yards       0.9     meters     m
mi miles       1.6     kilometers km
 
            **  Area  **
square inches    6.5       square cm
square feet      0.09      square m
square yards     0.8       square m
square miles     2.6       square km
acres            0.4       hectares
 
             ** Weight **
oz  ounces      28         grams  g
lb  pounds       0.45      kilograms
2000 lb (ton)    0.9       tonnes
 
             ** Volume **
tsp  teaspoon    5    milliliters ml
tbsp tablespoon 15    milliliters ml
fluid ounces    30    milliliters ml
cups             0.24  liters l
pt pints         0.47  liters l
qt quarts        0.95  liters l
gal US           3.8   liters l
gal Imp          4.5   liters
cubic feet       0.03  cubic meters
cubic yards      0.76  cubic meters
 
          ** Temperature **
F Fahrenheit    (-32)5/9   Celsius C