Page 16 - A guide to dosage form 1_full v3

1 teaspoonful (tsp) = 5 mL
1 tablespoonful = 3 tsp = 15 mL
(tbs)
1 glassful = 8 fl. oz = 240 mL
1 fluid ounce = 2 tbs = 30 mL

APOTHECARY AND AVOIRDUPOIS
The apothecary measurement uses grain (gr), scruple (s), drachm (dr), ounce (oz) and pound (lb).
The avoirdupois measurement uses ounce (oz), pound (lb) and ton. Most of these measurements
have been replaced by the modern technique – the metrics, but some remains and are still being
used until current time. Those remains are listed in the table below.

WEIGHT MEASURES
1 ounce (oz) = 28.35 g
1 pound (lb) = 454 g
1 kg = 2.2 lb
1 ton = 907.2 kg = 2000 lb

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