WEIGHTS AND MEASUKES. 



LENGTH. 



Metric or Decimal. 

 1 Metre (M.) 

 i Decimetre (dm.) 

 1 Centimetre (cm.) - 

 1 Millimetre (mm.) - 

 1 Micro-millimetre (mkm) 



English. 



= 39-3701 inches. 

 = 3-9370 

 = 0-3937 

 = 0-0393 

 = 0-000039 , 



The unit of the Metric System is the Metre, which represents one ten-millionth 

 part of a quarter of the meridian of the earth. The multiples and subdivisions 

 are obtained by the use of decimals; the former being designated by Greek 

 prefixes, the latter by Latin prefixes. 



Myriametre(Mm.) = 6 '2137 miles. 



Kilometre (Km.) - 0*6214 



Hectometre (Hm.) - - v - =109-361 yards. 



Dekametre (Dm.) = 32*8084 feet. 



Metre (M.) = 39 '3701 inches. 



WEIGHT. 



Metric or Decimal. 

 1 Kilogramme (Kgm.) 

 1 Gramme (Gm.) 

 1 Decigramme (dgm.) 

 1 Centigramme (cgm.) 

 1 Milligramme (mgm.) 



English. 



= 2-2046 pounds. 

 = 15 -4323 grains. 

 = 1-5432 

 = 0-1543 

 = 0-0154 



The unit is the Gramme which represents the weight of a cubic centimetre of 

 water at 4 C. 



APOTHECARIES WEIGHT. 

 437 "5 grains (gr. ) = 1 ounce. 



16 ounces () =1 pound (lb.). 



j 60 grains 

 ( 20 grains 



= 1 drachm (3). 

 = 1 scruple 0). 



1 grain = 0*0648 gramme. 



*Not official. 



AVOIRDUPOIS WEIGHT. 

 16 drachms = 1 ounce (oz.). 

 16 oz. =1 pound (lb.). 



281bs. = 1 quarter (qr.). 



4 quarters = 1 hundredweight (cwt. ). 

 20 cwt. = 1 ton. 



1 pound =453*592 grammes. 

 1 ounce = 28 '35 grammes. 



