Table 2. 



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 (5^ yd.) . 

 I cliain (22 yd. or 



100 links) 

 I furlong (220 yd.) 



I mile (1,760 yd.) . = < 



milli- 



\ 



p 5-39954 "3 

 I metres. 



0.30479449 metre. 



0.9143^34^ " 

 5.0291 1 metres. 



20.11644 " 



201.16437 " 

 1.60931493 kilo- 

 metres. 



SQUARE MEASURE. 



I square inch 



I sq. ft. (144 sq. in.) 



I SQ. Y.VRD (9 sq. ft. 



I perch (305^ sq. yd. 



I rood (40 perches) 

 I ACRE (4840 sq. yd. 



I sq. mile (640 acres) = I 



^ i 6.45137 sq. cen- 

 I timetres. 



j 9.28997 sq. deci- 



j metres. 

 \^ i 0.83609715 sq. 

 ' j metres. 



> J 25.29194 sq. me- 



' I tres. 



= 10.11678 ares. 

 ) = 0.40467 hectare. 

 258.98945312 hec- 

 tares. 



CUBIC MEASURE. 



I cub. inch= 16.38617589 cub. centimetres. 

 , , ^ , o ) ( 0.02832 cub. metre, 



''tbin)^'' = or '28.31531 cub. 

 cub. m.) ) ^ decimetres. 



I CUB. YARD (27 \ 

 cub. ft.) S 



0.76451342 cub. metre. 



APOTHECARIES' MEASURE. 



! = 



I gallon (8 pints or 



160 fluid ounces) 

 I fluid ounce, f 3 1 



(8 drachms) ) 

 I fluid drachm, f 5 } 



(60 minims) ) 



I minim, n\ (0.91 146 i 



grain weight) ) 



Note. — The Apothecaries' gallon is of the same 

 capacity as the Imperial gallon. 



4.54346 litres. 



( 28.39661 cubic 

 I centimetres. 

 ( 3.54958 cubic 

 j centimetres. 

 j 0.05916 cubic 

 I centimetres. 



MEASURE OF CAPACITY. 



I gill =: 1.41983 decilitres. 



I pint (4 gills) . . . = 0.56793 litre. 



I quart (2 pints) . . = 1.13586 litres. 



I GALLON (4 quarts) = 4-54345797 " 



I peck ( 2 galls.) . . = 9.08692 " 



I bushel (8 galls.) . = 3.63477 dekalitres. 



I quarter (8 bushels) ^= 2.90781 hectolitres. 



AVOIRDUPOIS WEIGHT. 



__ ( 64.79895036 milli- 



( grammes. 

 = 1.77 185 grammes. 

 = 28.34954 



= 0.45359265 kilogr. 



= 6.35030 " 



= 12.70059 " 



_ j 50.80238 



( 0.50S02 quintal. 



( 1.01604754 millier 



} or tonne. 



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.) ) 



I ton ( 20 cwt. ) . 



TROY WEIGHT. 



I Troy OUNCE (4Sof _ 31.10350 grammes, 

 grams avoir.) ) o jj o 



g 



I pennyweight (24 | 

 grains) ) 



I-55517 



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

 the Avoirdupois grain. 



APOTHECARIES' WEIGHT. 



I ounce (8 drachms) = 31.10350 grammes. 

 idrachm,5i(3scru-j_ ^ gg^^^ .. 



I scruple, 9i (20I _ ^^ ^ „ 

 grams) ) -^^-^ 



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. The weight of a cubic inch of water is 252. 2S6 grains. 



Smithsonian Tables. 



