Table 4 



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



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



LINEAR MEASURES. 



1 mil (.001 in.) = 25.4001 /x 



1 in. = .000015783 mile 



1 hand (4 in.) = 10.16002 cm 



1 link (.66 ft.) = 20.11684 cm 



1 span (9 in.) = 22.86005 cm 



1 fathom (6 ft.) = 1.828804 m 



1 rod (25 links) = 5.029210 m 



1 chain (4 rods) = 20.11684 rn 



1 light year (9.5 X io 12 km) = 5.9 x io lJ 



miles 

 1 parsec (31 X io 12 km) = 19 x io 12 miles 

 ■fa in. = .397 mm -jV in. = .794 mm 

 1*5 in. = 1.588 mm f in. = 3.175 mm 

 j in. = 6.350 mm § in. = 12.700 mm 

 1 Angstrom unit = .0000000001 m 

 1 micron (xz) = .000001 m = .00003937 in. 

 1 millimicron (mxx) = .000000001 m 

 1 m = 4.970960 links = 1. 09361 1 yds. 

 = .198838 rod = .0497096 chain 



SQUARE MEASURES. 



1 sq. link (62.7264 sq. in.) = 404.6873 cm 2 

 1 sq. rod (625 sq. links) = 25.29295 m 2 

 1 sq. chain (16 sq. rods) = 404.6873 m 2 

 1 acre (10 sq. chains) = 4046.873 m 2 

 1 sq. mile (640 acres) = 2.589998 km 2 

 1 km 2 = .3861006 sq. mile 

 1 m 2 = 24.7104 sq. links = 10.76387 sq. ft. 

 = .039537 sq. rod = .00247104 sq. 

 chain 



CUBIC MEASURES. 



1 board foot (144 cu. in) = 2359.8 cm 3 

 1 cord (128 cu. ft.) = 3.625 m 3 



CAPACITY MEASURES. 



1 minim (Til) = .0616102 ml 



1 fl. dram (6oTtt) = 3.69661 ml 



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



= 29.5729 ml 

 1 gill (4 fl. oz.) = 7.21875 cu. in. = 118.292 



ml 

 1 liq. pt. (28.875 cu - i n -) = 473167 1 

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

 1 gallon (4 qt., 231 cu. in.) = 3.785332 1 

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

 1 dry qt. (67.200625 cu. in.) = 1.101198 1 

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

 1 bu._(4 pk., 2150.42 cu. in.) = 35-2383 1 

 1 firkin (9 gallons) = 34.06799 1 

 1 liter = .264178 gal. = 1.05671 liq. qt. 

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

 1 ml = 16.231 1 minims. 

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



= I-I35I3 pk. = .28378 bu. 



MASS MEASURES. 



Avoirdupois weights. 

 1 grain = .064798918 g 

 1 dram av. (27.34375 gr.) = 1. 771845 g 

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

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



= I4-583333 oz. ap. ( 3 ) or oz. t. 

 = 1.2152778 or 7000/5760 lb. ap. 

 or t. 



= 453-5924277 g 

 1 kg= 2.204622341 lb. av. 

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



= •03527396 oz. av. 

 1 short hundred weight (100 lb.) 



= 45-359243 kg 

 1 long hundred weight (112 lb.) 



= 50.802352 kg 

 1 short ton (2000 lb.) 



= 907.18486 kg 

 1 long ton (2240 lb.) 



= 1016. 04704 kg 

 1 metric ton = 0.98420640 long ton 

 = 1.1023112 short tons 



Troy weights. 

 1 pennyweight (dwt., 24 gr.) = 1.555174 g: 

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



Apothecaries' weights. 

 1 gr. = 64.798918 mg 

 1 scruple O, 20 gr.) = 1.2959784 g 



1 dram (5,3 9) 

 1 oz. (3, 8 3) 

 1 lb. (123, 5760 gr.) 

 1 g = 15.432356 gr. 



= 0.2572059 3 



1 kg = 32.150742 3 



3.8879351 g 

 31.103481 g 



= 373-24177 g 

 = 0.771618 3 

 - .03215074 3 

 = 2.6792285 lb. 



1 metric carat = 200 mg = 3.0864712 gr. 



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

 smaller silver coins in proportion. 



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

 tables. 



Smithsonian Tables. 



