Conversion Factors for Units of Mass (Small Units)
Metric Units British Units Units in India (upto 1996)
Gram
(g) 		Metric carat weight Ounce
(apo)
(oz apo)		 Ounce
(av) (oz)		 Drachm
(apo) 		Dram
(av) 		Grain
(gr) 		Tola
1 Gram
(g)
 1 5 0.032 1507 0.035 27 40 0.257 206 0.564 38 15.432 4 0.085 735
 
1 Metric Carat weight
 0.2 1 0.006 430 1 0.007 054 8 0.051 441 0.112 877 3.086 47 0.017 1471
 
1 Ounce
(apo)
(oz apo)
 31.103 5 155.517 1 0.097 14 8 17.554 3 480 2.666 67
 
1 Ounce
(av) (oz)
 28.349 5 141.748 0.911 46 1 7.29 17 16 437.5 2.430 56
 
1 Drachm
(apo)
 3.887 93 19.4397 0.125 0.137 143 1 2.194 29 60 0.333 333
 
1 Dram
(av)
 1.771 85 8.859 2 0.056 966 0.062 5 0.455 729 1 27.343 75 0.151 910
 
1 Grain
(gr)
 0.064 799 0.323 995 0.002 083 33 0.002 285 71 0.016 666 7 0.036 571 4 1 0.005 555 6
 
1 Tola
 11.663 8 58.319 0.375 0.411 429 3 6.582 9 180 1