APPENDIX 239 



Units of Volume. 

 1 cubic centimetre (c.c.) = 0*061 cubic inch. 

 1 cubic decimetre (1 litre) = 61*028 cubic inches = 1*76 



pints = 0*22 gallon. 

 1 cubic metre (1 kilolitre or 1 stere) = 61,028 cubic inches 



= 35*317 cubic feet = 1*308 cubic yards = 220-09 



gallons = 27*512 bushels. 



Or 



1 cubic inch = 16*3862 cubic centimetres. « 



1 cubic foot = 28-3153 litres = 6*24 gallons. 



1 pint = 567*93 cubic centimetres. 



1 gallon = 4*54346 litres = 277*274 cubio inches. 



1 cubic yard= 0*7645 stere or 764*513 litres= 168*49 galls. 



1 bushel— 36*3477 litres. 



Units of Weight. 



1 gramme = 15*43235 grains = 0*035274 ounce avoirdu 



pois. 

 1 kilogramme = 35*2739 ounces avoirdupois = 32*1507 



ounces troy = 2*2046 pounds avoirdupois. 

 1000 kilogrammes (1 tonne) = 2204*621 pounds avoirdupois 



= 0*98420 ton. 



Or 



1 ounce avoirdupois «= 28*3495 grammes. 



1 ounce troy = 31-1035 grammes. 



1 pound avoirdupois = 453*593 grammes. 



1 pound troy = 373-242 grammes. 



1 hundredweight = 50*802 kilogrammes. 



1 ton = 1016-05 kilogrammes. 



On the Continent crop yields are usually expressed in kilo- 

 grammes per hectare, which is approximately equal to -^j^ of 

 English pounds per acre. 



In South Africa lengths, volumes, and area are usually 

 expressed in Cape or Dutch measures. 



Q 



