Measurement Conversion

Metric system is not the widespread system in the U.S.

Temperature
To change Centigrade to Farenheit, multiply C by 9/5 and add 32.  To change Farenheit to Centigrade, subtract 32 and multiply by 5/9.
0C = -18F 
10C = -12F
20C = -7F
30C = -1F
40C = 4F
50C = 10F
60C = 16F
70C = 21F
80C = 27F
90C = 32F
100C = 38F

Distance
To change kilometer to miles, multiply by .62 
1 inch = 2.54 centimeters
1 foot = 30 centimeters
1 yard = .09 meters
1 mile = 1.6 kilometers

Area
1 square inch = 6.5 square centimeters
1 square foot = .09 square meters
1 square yard = .8 square meters
1 square mile = 2.6 square kilometers
1 acre = .4 hectares

Weight/Mass
1 ounce =  28 grams
1 pound = .45 kilograms
1 short ton = .9 tons

Volume
1 teaspoon = 5 milliliters
1 tablespoon = 1.5 mmilliliters
1 fluid ounce = 30 milliliters
1 cup = .24 milliliters
1 pint = .47 liters
1 quart = .95 liters
1 gallon = 3.8 liters
1 cubic feet = .03 cubic meters
1 cubic yard = .76 cubic meters

http://www.onlineconversion.com/