LINEAR
1 inch = 2.54 centimeters
1 foot = 30.48 centimeters
1 yard = .914 meter
1 mile = 1.610 kilometers
1 millimeter = .03937 inch
1 centimeter = .3937 inch
1 meter = 3.2808 feet = 1.0936 yard
1 kilometer = .621 mile
WEIGHT
1 ounce = 28.3495 grams
1 pound = .4536 kilograms
1 ton = 907.18 kilograms
1 gram = .035 ounce
1 kilogram = 2.204 pounds
1 metric ton = 1.1023 tons
VOLUME
1 ounce = 29.58 milliliters
1 quart = .9464 liter
1 gallon = 3.7854 liters
1 cubic inch = 16.39 cubic centimeters
1 cubic foot = .0283 cubic meter
1 cubic yard = .7646 cubic meter
1 milliliter = .0348 ounce
1 liter = 1.0567 quarts
1 liter = .2642 gallon
1 cubic centimeter = .0610 cubic inch
1 cubic meter = 35.315 cubic feet
1 cubic meter = 1.3080 cubic yards
AREA
1 acre = .4047 hectares
1 hectare = 2.4711 acres