Table 4. 

 MISCELLANEOUS EQUIVALENTS OF U. S- AND METRIC WEIGHTS AND MEASURES-* 



(For other equivalents than those below, see Table 3.) 



LINEAR MEASURES. 



I mil (.001 in.) = 25.4001 jjl 



I in. = .000015783 mile 



I hand (4 in.) = 10.16002 cm 



I link (.66 ft.) = 20.11684 cm 



I span (9 in.) = 22.86005 cm 



I fathom (6 ft.) = 1.828804 m 



I rod (25 links) = 5.029210 m 



I chain (4 rods) = 20.11684 m 



I light year (9.5 X lo^^ km) = 5.9 X lo^- 



miles 

 I par sec (31 X 10^ km) = 19 X lo'^ miles 

 g\ in. = .397 mm jV in. = .794 mm 

 tV in. = 1.588 mm | in. = 3.175 mm 

 J in. = 6.350 mm 5 in. = 12.700 mm 

 I Angstrom unit = .0000000001 m 

 I micron (fj,) = .000001 m = .00003937 in. 

 I millimicron (m^i) = .000000001 m 

 I m = 4.970960 links = 1.093611 yds. 

 = .198838 rod = .0497096 chain 



SQUARE MEASURES. 



I sq. link (62.7264 sq. in.) = 404.6873 cm- 

 I sq. rod (625 sq. links) = 25.29295 m^ 

 I sq. chain (16 sq. rods) = 404.6873 m^ 

 I acre (10 sq. chains) = 4046.873 m^ 

 I sq. mile (640 acres) = 2.589998 km^ 

 I km^ = .3861006 sq. mile 

 I m'^ = 24.7104 sq. links = 10.76387 sq. ft. 

 = -039537 sq. rod. = .00247104 sq. 

 chain 



CUBIC MEASURES. 



I board foot (144 cu. in) = 2359.8 cm' 

 I cord (128 cu. ft.) = 3.625 m* 



CAPACITY MEASURES. 



I minim (TH,) = .0616102 ml 



I fl. dram (6oTri) = 3.69661 ml 



I fl. oz. (8 fl. dr.) = 1.80469 cu. in. 



= 29.5729 ml 

 I gUl (4 fl. oz.) = 7.21875 cu. in. = 118.292 



ml 

 I liq. pt. (28.87s cu. in.) = .473167 1 

 I liq. qt. (57.75 cu. in.) = .946333 1 

 I gallon (4 qt., 231 cu. in.) = 3.785332 I 

 I dry pt. (33.6003125 cu. in.) = .550599 1 

 I dry qt. (67.200625 cu. in.) = 1.101198 I 

 I pk. (8dryqt., 537.605 cu. in.) = 8.80958 1 

 I bu. (4 pk., 2150.42 cu. in.) = 35.2383 1 

 I firkin (9 gallons) = 34.06799 1 

 I hter = .264178 gal. = 1.05671 liq. qt. 

 = 33.8147 fl. oz. = 270.518 fl. dr. 

 I ml = 16.2311 minims. 

 I dkl = 18.620 dry pt. = 9.08102 dry qt. 



= 1.13513 pk. = .28378 bu. 



* Taken from Circular 47 of the U. S. Bureau of Standards, 1915, which see for more complete 

 tables. 



MASS MEASURES. 

 Avoirdupois weights. 

 I grain = .064 7989 1 8 g 

 I dram av. (27.34375 gr.) = i. 771845 g 

 I oz. av. (16 dr. av.) = 28.349527 g 

 I lb. av. (16 oz. av. or 7000 gr.) 



= 14-583333 oz. ap. ( 5 ) or oz. t. 

 = 1-2152778 or 7000/5760 lb. ap. 

 or t. 



= 453-5924277 g 

 I kg= 2.204622341 lb. av. 

 I g = 15-432356 gr. = -5643833 dr. av. 



= •03527396 oz. av. 

 I short hundred weight (100 lb.) 



= 45-359243 kg 

 I long hundred weight (112 lb.) 



= 50.802352 kg 

 I short ton (2000 lb.) 



= 907.18486 kg 

 I long ton (2240 lb.) 



= 1016. 04704 kg 

 I metric ton = 0.98420640 long ton 

 = 1.1023112 short tons 



Troy weights. 

 I pennyweight (dwt., 24 gr.) = 1.555174 g; 

 gr., oz., pd. are same as apothecary 



Apothecaries' weights. 

 I gr. = 64.798918 mg 

 I scruple O, 20 gr.) = 

 I dram (3, 3 3) 

 loz. (5,8 3) 

 I lb. (125, 5760 gr.) = 

 I g = 15-432356 gr. = 



= 0.2572059 3 

 I kg = 32.150742 3 = 



1.2959784 g 

 3.8879351 g 

 31.103481 g 

 373.24177 g 

 0.771618 9 

 .03215074 § 

 2.6792285 lb. 



I metric carat = 200 mg = 3.0864712 gr. 



U. S. I dollar should weigh 12.5 g and the 

 smaller silver coins in proportion. 



Smithsonian Tables. 



