Mass (Physicists' system) or Force (Engineers' system) 



i kilogram = 1000 grams -=0.00 1 metric ton. i gm = io decigrams = 100 centigrams = 

 1000 milligrams =0.1 dekagram = 0.01 hectogram =0.001 kilogram = 0.0001 myriagram. 

 i U. .s. Avoirdupois pound = 0-4535924277 kg = (by definition) 7000/5 760 troy pounds. 



i quarter = 28 lb avoir, i penny weight = 24 gr = o.os oz troy, i oz avoir. = 16 drums 

 avoir. = 437.5 gr. i stone = 14 pounds, i cental = 100 pounds, i hundredweight = 

 iu pounds, i apothecaries' ounce = 8 apoth. drams = 24 scruples = 480 grains. 



* Logarithm of the number immediately above. 



Power 



i kilowatt = looo watts = 1000 joules per second. 



i horse-power = 550 foot-pounds per second, 

 i cheval-vapeur = 75 kilogram-meters per second. 



Logarithm of the number mmicdiuttly above. 



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