The International pound ( 0.45359237 kilogram ) is used in :
United States of America (USA) , South Africa, United Kingdom (UK) and the Commonwealth of Nations.
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Converting grams into ounces, the arithmetics
Grams times 0.0353 equals ounces
66 g = 2.3298 oz
Answer = int(66 * .0353) [2 oz]
The arithmetic to convert ounces to pounds and ounces is below
oz_start = 2
lb_calc = int(oz_start/16) [therefore lb_calc == 0 lb]
oz_calc = 2 - (lb_calc * 16) [therefore oz_calc = 2 oz]
Answer = lb_calc, oz_calc [0 lb, 2 oz]
Wikipedia links covering units of mass show/hide