Four drams is 0.25 (1/4) ounce.
There are 20 drams in 2.5 ounces.
256 drams
that is 448 drams.
Six drams is 0.8229 ounces.
.25 fluid ounces equals 2 drams.
0.05 fluid ounces is 0.4 fluid drams.
1 ounce = 16 drams16 ounces = 256 drams
4 drams is 109.38 grains.
6 fl oz equals 48 fl drams.
12 fl drams equals 1.5 fl oz
That is approximately 3/8 of an ounce.