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 ( 5i yd. ) . . = 



I chain (22 yd. or ) 



100 links) ) 



I furlong (220 yd.) = 



I mile (1,760 yd.) . = 



I 25.400 milli- 

 I meters. 

 0.304S0 meter. 



0.914399 " 

 5.0292 meters. 



20.1168 " 



201. 16S " 

 1.6093 kilo- 

 meters. 



SQUARE MEASURE. 



I square inch 



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



( 6.4516 sq. cen- 

 ( timeters. 



( 9.2903 sq. deci- 

 ) meters. 



r -, \ 0.S36126 sq. 



I SQ. YARD (9 sq. ft.) = -J meters. 



u / 1 1 \ i -5--93 sq. me- 



I perch (3oi sq. yd.) = j \/^l 



I rood (40 perches) = 10.117 ares. 



I ACRE U840 sq. yd.) = 0.4046S hectare. 



I sq. mile (640 acres) = | 259.00 hectares. 



CUBIC MEASURE. 



I cub. inch = 16.3S7 cub. centimeters. 

 I cub. foot (1728 / _ (0.02S317 cub. me- 



cub. in.) i~ < ter, or 28.317 



( cub. decimeters, 

 I CUB. YARD (27 ) 0.76455 cub. meter. 



cub. ft.) ) 



APOTHECARIES' MEASURE. 



I gallon (8 pints or 



160 fluid ounces) 

 I fluid ounce, f 5 



(8 drachms) 

 I fluid drachm, f 5 I 



(60 minims) ) 



I minim, m (0.91 146 ( 



grain weight) J 



= 4.5459631 liters. 



{ 28.4123 cubic 

 \ centimeters. 

 _ I 3-5515 cubic 

 J centimeters. 

 0.05919 cubic 

 centimeters. 



-1 



Note. — The Apothecaries' gallon is of the same 

 capacity as the Imperial gallon. 



MEASURE OF CAPACITY. 



I gill = 1.42 deciliters. 



I pint (4 gills) . . . = 0.568 liter. 

 I quart (2 pints) . . = 1.136 Hters. 

 I GALLON (4 quarts) = 4.5459631 " 

 I peck ( 2 galls.) . . = 9.092 " 



I bushel (8 galls.) . — 3.6;i7 dekaliters. 

 I quarter (8 bushels) = 2.909 hectoliters. 



AVOIRDUPOIS WEIGHT. 



r 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 I 



(112 lb.) ( 



= 1 



h 



I ton (20 cwt. ) . =: 



64.8 m i 11 i - 

 grams. 

 1.772 grams. 

 28.350 " 



0.45359243 kilogr. 



6.350 



12.70 " 



50.80 " 



0.5080 quintal. 

 1.0160 tonnes 

 or 1016 kilo- 

 grams. 



TROY WEIGHT. 



I Troy OUNCE (480 J _ 31.1035 grams, 

 grams avoir.) j -^ ■'^ * 



I pennyweight (24 ^ 



grains) 



1.5552 



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



the Avoirdupois grain. 



APOTHECARIES' WEIGHT. 



I ounce (8 drachms) 

 I drachm, 5 i (3 scru- I 



pies) J 



I scruple, 9i (20 ) 



grains) ) 



= 31-1035 grams. 

 = 3.888 



= 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 o£ platinum weighed in vacuo at the temperature of 0° C, and which is als» 

 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. 



