CHART B

 Fineness of Gold Karats
(In decimal parts fine gold) 
 

Dec.

    

Dec.
Karat

Parts

   Karat

Parts
10

.4167

   18

.7500
11

.4583

   19

.7917
12

5000

   20

.8333
13

.5417

   21

.8750
13 1/2

.5625

   21.6

.9000
14

.5833

   22

.9167
15

.6250

   23

.9583
16

.6667

   23 3/4

9900
17

.7083

   24

1.0000
17 1/2

.7292