TABLE 4. 



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

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



LINEAR MEASURES. 



mil (.001 in.) = 25.4061 ju 



in. = .000015783 mile 



hand (4 in.) = 10.16002 cm 



link (.66 ft.) = 20.11684 cm 



span. (9 in.) = 22.86005 cm 



fathom (6 ft.) = 1.828804 m 



rod (25 links) = 5.029210 m 



chain (4 rods) = 20.11684 m 



light year (9.5 X io 12 km) = 5.9 X io 12 



miles 



i par sec (31 X io 12 km) = 19 X io 12 miles 

 fa in. = .397 mm ^ in. = .794 mm 

 & in. = 1.588 mm | in. = 3.175 mm 

 j in. = 6.350 mm \ in. = 12.700 mm 

 i Angstrom unit = .oooooooooi m 

 i micron (ju) = .oooooi m = .00003937 in. 

 i millimicron (m/x) = .00000000 1 m 

 i m = 4.970960 links = 1.093611 yds. 

 = .198838 rod = .0497096 chain 



SQUARE MEASURES. 



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

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

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

 acre (io sq. chains) = 4046.873 m 2 

 sq. mile (640 acres) = 2.589998 km 2 

 km 2 = .3861006 sq. mile 

 m 2 = 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 3 

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



CAPACITY MEASURES. 



i minim (TTJ.) = .0616102 ml 



i fl. dram (6oTTl) = 3.69661 ml 



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



= 29.5729 ml 

 i gill (4 fl. oz.) = 7. 21875 cu. in. = 118.292 



ml 



i liq. pt. (28.875 cu. in.) = .473167 1 

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

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

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

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

 i pk. (Sdryqt., 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 liter = .2641 78. 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. 



MASS MEASURES. 

 Avoirdupois weights. 

 i grain = .064798918 g 

 i dram av. (27.34375 gr.) = 1.771845 g 

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

 i pd. av. (16 oz. av. or 7000 gr.) 



= I4-S83333 oz. ap. (5) or oz. t. 

 = 1.2152778 or 7000/5760 pd. ap 

 ort. 



= 453-5924277 g 

 i kg = 2.204622341 pd. av. 

 i g = 15.432356 gr. = .5643833 av. dr. 



= -03527396 av. oz. 

 i short hundred weight (100 pds.) 



= 45-359 2 43 kg 

 i long hundred weight (112 pds.) 



, = 50.802352 kg 

 i short ton (2000 pds.) 



= 907.18486 kg 

 i long ton (2240 pd.) 

 = 1016.04704 kg 



i metric ton = 0.98420640 long ton 

 = 1.1023112 short tons 



Troy weights. 



i pennyweight (d\vt, 24 gr.) = 1.555174 g: 

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



Apothecaries 1 weights. 

 gr. = 64.798918 mg 

 scruple O, 20 gr.) = 1.2959784 g 

 dram (3, 3 9) = 3-8879351 g 

 oz. (5,83) = 31.103481 g 



pd (125, 5760 gr.) = 373.24177 g 

 g = 15.432356 gr. = 0.771618 3 

 = 0.2572059 3 = .03215074 5 

 i kg = 32.150742 5 = 2.6792285 pd. 



i 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. 



