http://www.cuisinedumonde.org/convert.php
http://www.bbc.co.uk/cgi-bin/food/unitconverter.pl?weight=250&w_in=g&w_out=o
http://www.donnahay.com.au/Section.jsp?sectionid=1160856
單位換算
http://cns.dslcity.net/UNIT_TRANS/UNIT_TRANS.htm
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10 mm = 1 cm
100 cm = 1 m
1000 m = 1 km
1 inch = 25.4 millimetres
1 centimetre = 0.3937 inch
1 metre = 39.37 inches
1 000 mg = 1 g
1 000 g = 1 kg
1 000 kg = 1 t
1 ounce = 28.35 grams
1 gram = 0.035 ounce
1 pound = 453.6 or 454 grams
1 kilogram = 2.2045 or 2.2 pounds
1000 mL = 1 L
1 fluid ounce = 29.57 millilitres
1 millilitre = 0.034 ounce
1 cup = 237 millilitres
1 litre = .88 Imperial quart
1 litre = .22 Imperial gallon
4.545 litres = 1 Imperial gallon
3.785 = 1 U.S. gallon
Imperial System:
1 gallon= 4 quarts = 160 oz.
1 quart= 2 pints = 40 oz.
1 pint= 2 1/2 cups = 20 oz.
1 cup = 8 fluid oz.
1 fluid oz.= 2 tablespoons
1 tablespoon = 3 teaspoons
American System:
1gallon = 4 quarts = 128 oz.
1quart = 2 pints = 32 oz.
1pint = 2 cups = 16 oz.
1cup = 8 fluid oz.
1fluid oz.= 2 tablespoons
1tablespoon = 3 teaspoons