Scruple (unit)

The scruple (℈) is a small unit in the apothecaries' system,^[1] derived from the old Roman scrupulum (lit. 'small pebble') unit^[2] (scrupulus/scrupulum).

Mass unit

The scruple is 1⁄24 ounce, 1⁄3 dram, or 20 grains.^[1] It is therefore equal to 1.2959782 grams. The Roman scruple was somewhat smaller, around 1.14 g.

Volume unit

The fluid scruple is 1⁄24 fluid ounce, 1⁄3 fluid dram, 20 minims, or 1⁄4 teaspoon, or 1 saltspoon. It is therefore equal to 1.2323 milliliters in US customary system.

in imperial customary system equal 1,1839 ml .

References

^ a b Cardarelli, François (2003). Encyclopaedia of Scientific Units, Weights and Measures. London: Springer. pp. 38, 45. ISBN 978-1-4471-1122-1.
^ "scruple, n.¹", Oxford English Dictionary, 1st ed., Oxford: Oxford University Press, 1911

[:0-1] Cardarelli, François (2003). Encyclopaedia of Scientific Units, Weights and Measures. London: Springer. pp. 38, 45. ISBN 978-1-4471-1122-1.

[2] "scruple, n.¹", Oxford English Dictionary, 1st ed., Oxford: Oxford University Press, 1911

Scruple (unit)

Mass unit

Volume unit

See also

References