UNITS OF LENGTH
1 Inch = 2.54 centimeters = 25.4 millimeters
1 foot = 30.48 centimeters = .3048 meter
1 yard = .914 meter
1 mile = 1.609 kilometers

UNITS OF AREA
1 acre = .4047 hectare

UNITS OF WEIGHT
1 ounce = 28.3495 grams
1 pound = .4536 kilograms = 453.6 grams
1 ton = 907.18 kilograms = .907 metric ton

UNITS OF VOLUME
1 ounce = 29.58 milliliters
1 quart = .9464 liters
1 gallon = 3.785 liters
1 cubic inch = 16.39 cubic centimeters
1 cubic foot = .0283 cubic meter
1 cubic yard = .765 cubic meter

TEMPERATURE CONVERSIONS
32 deg Fahrenheit = 0 deg Centigrade (water freezes)
212 deg Farenheit = 100 deg Centigrade (water boils)
-459.6 deg Fahrenheit = 273.1 deg Centigrade
(absolute zero)

UNITS OF LENGTH
1 millimeter = .03937 inch
1 centimeter = .3937 inch
1 meter = 3.2808 feet = 1.0936 yards = 39.37 inches
1 kilometer = .621 mile

UNITS OF AREA
1 hectare = 2.4711 acres

UNITS OF WEIGHT
1 gram = .035 ounce
1 kilogram = 2.205 pounds
1 metric ton = 1.102 tons

1 milliliter = .0348 ounce
1 liter = 1.057 quarts
1 liter = .264 gallon
1 cubic centimeter = .0610 cubic inch
1 cubic meter = 35.315 cubic feet
1 cubic meter = 1.3080 cubic yards

To convert Fahrenheit to Centigrade:
Subtract 32 from Fahrenheit and multiply by 5, then divide by 9

To convert centigrade to Fahrenheit:
Multiply Centigrade by 9, thedivide by 5, then add 32