WEIGHTS AND MEASURES 



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. 



Metric eft Decimal. 

 1 Metre (M.) 

 1 Decimetre (dm.) 

 1 Centimetre (cm.) 

 1 Millimetre (mm.) 

 1 Micromillimetre (mkm.) 



1 Myriametre (Mm.) 

 1 Kilometre (Km.) 

 1 Hectometre (Hm.) 

 1 Dekametre (Dm.) 

 1 Metre (M.) 



1 inch 

 1 foot 

 1 yard 

 1 mile 



LENGTH. 



English. 



39-3701 inches. 

 3-9370 

 0-3937 

 0-0393 

 0-000039 



6-2137 miles. 



0-6214 

 109-361 yards. 

 32-8084 feet. 

 39-3701 inches. 



2-539 centimetres. 

 3-047 decimetres. 

 0-91 metre. 

 1-60 kilometre. 



WEIGHT. 



Metric or Decimal. English. 



1 Kilogramme (Kgm.) = 2-2046 pounds. 



1 Gramme (Gin.) = 15-4323 grains. 



1 Decigramme (dgm.) = 1-5432 ,, 



1 Centigramme (cgm.) . = 0-1543 ,, 



1 Milligramme (mgm.) . . . .= 0-0154 



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

 water at 4 C. 



APOTHECARIES WEIGHT. 



= 1 ounce. 



= 1 pound (Ib.) 



437-5 grains (gr.) 

 16 ounces ( ) 



f 60 grains 

 I 20 grains 



1 grain 



= 1 drachm (3). 

 = 1 scruple (3). 



= 0-0648 gramme. 

 Not official. 



AVOIRDUPOIS WEIGHT. 



16 drachms = 1 ounce (oz.). 



16 oz. =1 pound (Ib.). 



28 Ibs. = 1 quarter (qr.). 



4 quarters = 1 hundredweight (cwt. ). 



20 cwt. = 1 ton. 



1 stone =14 pounds. 



1 pound = 453-592 grammes. 



1 ounce = 28-35 grammes. 



Metric or Decimal. 

 1 Dekalitre (Dl.) 

 1 Litre (L.) . 

 1 Decilitre (dl.) 

 1 Cubic centimetre (c.c.) | 



or 

 1 Millilitre (ml.) 



CAPACITY. 



English. 



= 2-1998 Imperial gallons. 

 = 35-196 Imperial fluid ounces. 

 = 3-5196 , 



XI 



