Table 3. 



EQUIVALENTS OF BRITISH IMPERIAL AND METRIC WEIGHTS 

 AND MEASURES. 



(3) IMPERIAL TO METRIC. 



LINEAR MEASURE. 



I inch 



I foot {i2 in.) . . 



I YARD (3 ft.) . . 



I pole (si yd.) . . 



I chain (22 yd. or ) 



100 links) ) 



I furlong {220 yd.) 



I mile (1,760 yd.) . =^ j 



f 25.400 milli- 

 = I metres. 

 __ o. 30480 metre. 

 = 0.914399 " 

 =: 5.0292 metres. 



= 20.1168 " 



= 201.168 " 

 ^ j 1.6093 kilo- 

 metres. 



SQUARE MEASURE. 



f 6.4516 sq. cen- 

 I square inch . . = | timetres. 



( 9.2903 sq. deci- 

 I sq.ft. (144 sq. in.) = | metres. 



, , f 0.836126 sq. 



I SQ. YARD (9 sq. ft.) = \ metres. 



I perch (30^ sq. yd.) = { ^^' tres^^* ™^' 



I rood (40 perches) = 10.I17 ares. 



I ACRE (4840 sq. yd.) = 0.40468 hectare. 



I sq. mile (640 acres) — <259.oo hectares. 



CUBIC MEASURE. 



I cub. inch^ 16.387 cub. centimetres. 

 I cub. foot (1728 I f 0.02831 7 cub. me- 

 cub. in.) J" i tre, or 28.317 



cub. decimetres. 



CUB. 



cub 



YARD (27 ) 0.7645 s cub. metre 



APOTHECARIES' MEASURE. 



r gallon (8 pints or ) ^ 4.5459631 litres, 



160 fluid ounces) j 



I fluid ounce, f 3 ) _ 428.4123 cubic 



(8 drachms) ) ] centimetres. 



I fluid drachm, f 3 I _ r3.55l5cubic 



(60 minims) ) \ centimetres. 



I minim, ITJ (0.91 146 I / 0.05919 cubic 



grain weight) J ~~ 1 centimetres. 



Note. — The Apothecaries' gallon is of the same 

 capacity as the Imperial gallon. 



MEASURE OF CAPACITY. 



igni 



I pmt (4 gills) . . . 

 I quart (2 pints) . . 

 I GALLON (4 quarts) 

 I peck (2 galls.) . . 

 I bushel (8 galls.) . 

 I quarter (8 bushels) 



: 1.42 decilitres. 

 : 0.568 litre. 

 : 1. 136 litres. 



4.5459631 " 

 9.092 " 



3.637 dekalitres. 

 = 2.909 hectolitres. 



AVOIRDUPOIS WEIGHT. 



I gram .... 



I dram .... 

 I ounce (16 dr.) . 

 I POUND (16 oz. or 



7,000 grains) 

 I stone (14 lb.) . 

 I quarter (28 lb.) 

 I hundredweight } 



(112 lb.) J 



I ton (20 cwt.) . 



={ 



64.8 m i 11 i- 

 grammes. 

 1.772 grammes. 

 28.350 



o 45359243 l^ilogr- 



6.350 



12.70 " 



550.80 



I 0.5080 quintal. 

 1. 0160 tonnes or 

 1016 kilo- 

 grammes. 



TROY WEIGHT. 



1-5552 



I Troy OUNCE (480 ) ^31.1035 grammes. 



grams avoir.) ) ^ o 



I pennyweight (24 / 



grains) J "" 



Note. — The Troy grain is of the same weight as 

 the Avoirdupois grain. 



APOTHECARIES' WEIGHT. 



I ounce (8 drachms) = 31.1035 grammes. 

 I drachm, 51(3 scru- { __ ggg ,, 



pies) _ i •'■ 



I scruple, 3: (20 / 



grains) 



1.296 



Note. — The Apothecaries' ounce is of the same 

 weight as the Troy ounce. The Apothecaries' 

 grain is also of the same weight as the Avoirdupois 

 grain. 



Note. —The Yard is the length at 62° Fahr., marked on a bronze bar deposited with the Board of Trade. 



The Pound is the weight of a piece of platinum weighed in vacuo at the temperature of 0° C, and which is also 

 deposited with the Board of Trade. 



The Gallon contains 10 lb. weight of distilled water at the temperature of 62° Fahr., the barometer being at 

 30 inches. 

 Smithsonian Tables. 



