The scruple (℈) is a small unit in the apothecaries' system, derived from the old Roman () unit (scrupulus/scrupulum).__NOTOC__
Mass unit The scruple is of an ounce (or of a troy ounce), dram, or 20 grains: it is therefore exactly 1.2959782 grams.
The Roman scruple was 11.875% smaller, therefore being exactly 1.14208078875 grams.
Volume unit The fluid scruple is fluid ounce, fluid dram, 20 minims, teaspoon, or 1 saltspoon.
It is therefore equal to 1.2322304 milliliters in the US customary system, or 1.1838776 milliliters in the imperial customary system (to eight significant figures).
See also Scrupulosity Roman units Byzantine units E (Cyrillic)
References