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Scruple (Apothecary) [s.ap]


The scruple is a small unit of mass used in the apothecary system, historically important in pharmacy for measuring medicinal ingredients.


One scruple equals 20 grains, or about 1.296 grams. It is also 1/3 of an apothecary dram and 1/24 of an apothecary ounce.


Though largely obsolete today, the scruple helped ensure precise measurement of drugs and compounds in traditional medicine.


Summary:



  • 1 scruple = 20 grains ≈ 1.296 grams



  • Used in apothecary (pharmacy) system



  • Important for accurate measurement of medicinal ingredients




Electron Mass (Rest)


The rest mass of an electron is the intrinsic mass of an electron when it is at rest (not moving relative to an observer).


Its value is approximately 9.109 × 10⁻³¹ kilograms (or about 0.511 MeV/c² in energy units).


This tiny mass is fundamental to atomic and particle physics, influencing how electrons behave in atoms and electric currents.


Summary:



  • Rest mass ≈ 9.109 × 10⁻³¹ kg



  • Equivalent to about 0.511 MeV/c²



  • Fundamental property of the electron in physics





Popular Weight-and-mass Unit Conversions

Convert scruple (apothecary) [s.ap] to Other Weight-and-mass Units

scruple (apothecary) [s.ap] to kilogram kg
scruple (apothecary) [s.ap] to gram [g]
scruple (apothecary) [s.ap] to milligram [mg]
scruple (apothecary) [s.ap] to ton (metric) [t]
scruple (apothecary) [s.ap] to pound [lbs]
scruple (apothecary) [s.ap] to ounce [oz]
scruple (apothecary) [s.ap] to carat [car,ct]
scruple (apothecary) [s.ap] to ton (short) [ton (US)]
scruple (apothecary) [s.ap] to ton (long) [ton (UK)]
scruple (apothecary) [s.ap] to Atomic mass unit [u]
scruple (apothecary) [s.ap] to exagram [Eg]
scruple (apothecary) [s.ap] to petagram [Pg]
scruple (apothecary) [s.ap] to teragram [Tg]
scruple (apothecary) [s.ap] to gigagram [Gg]
scruple (apothecary) [s.ap] to megagram [Mg]
scruple (apothecary) [s.ap] to hectogram [hg]
scruple (apothecary) [s.ap] to dekagram [dag]
scruple (apothecary) [s.ap] to decigram [dg]
scruple (apothecary) [s.ap] to centigram [cg]
scruple (apothecary) [s.ap] to microgram [µg]
scruple (apothecary) [s.ap] to nanogram [ng]
scruple (apothecary) [s.ap] to picogram [pg]
scruple (apothecary) [s.ap] to femtogram [fg]
scruple (apothecary) [s.ap] to attogram [ag]
scruple (apothecary) [s.ap] to dalton
scruple (apothecary) [s.ap] to kilogram-force square second/meter
scruple (apothecary) [s.ap] to kilopound [kip]
scruple (apothecary) [s.ap] to kip
scruple (apothecary) [s.ap] to slug
scruple (apothecary) [s.ap] to pound-force square second/foot
scruple (apothecary) [s.ap] to pound (troy or apothecary)
scruple (apothecary) [s.ap] to poundal [pdl]
scruple (apothecary) [s.ap] to ton (assay) (US) [AT (US)]
scruple (apothecary) [s.ap] to ton (assay) (UK) [AT (UK)]
scruple (apothecary) [s.ap] to kiloton (metric) [kt]
scruple (apothecary) [s.ap] to quintal (metric) [cwt]
scruple (apothecary) [s.ap] to hundredweight (US)
scruple (apothecary) [s.ap] to hundredweight (UK)
scruple (apothecary) [s.ap] to quarter (US) [qr (US)]
scruple (apothecary) [s.ap] to quarter (UK) [qr (UK)]
scruple (apothecary) [s.ap] to stone (US)
scruple (apothecary) [s.ap] to stone (UK)
scruple (apothecary) [s.ap] to tonne [t]
scruple (apothecary) [s.ap] to pennyweight [pwt]
scruple (apothecary) [s.ap] to grain [gr]
scruple (apothecary) [s.ap] to gamma
scruple (apothecary) [s.ap] to talent (Biblical Hebrew)
scruple (apothecary) [s.ap] to mina (Biblical Hebrew)
scruple (apothecary) [s.ap] to shekel (Biblical Hebrew)
scruple (apothecary) [s.ap] to bekan (Biblical Hebrew)
scruple (apothecary) [s.ap] to gerah (Biblical Hebrew)
scruple (apothecary) [s.ap] to talent (Biblical Greek)
scruple (apothecary) [s.ap] to mina (Biblical Greek)
scruple (apothecary) [s.ap] to tetradrachma (Biblical Greek)
scruple (apothecary) [s.ap] to didrachma (Biblical Greek)
scruple (apothecary) [s.ap] to drachma (Biblical Greek)
scruple (apothecary) [s.ap] to denarius (Biblical Roman)
scruple (apothecary) [s.ap] to assarion (Biblical Roman)
scruple (apothecary) [s.ap] to quadrans (Biblical Roman)
scruple (apothecary) [s.ap] to lepton (Biblical Roman)
scruple (apothecary) [s.ap] to Planck mass
scruple (apothecary) [s.ap] to Electron mass (rest)
scruple (apothecary) [s.ap] to Muon mass
scruple (apothecary) [s.ap] to Proton mass
scruple (apothecary) [s.ap] to Neutron mass
scruple (apothecary) [s.ap] to Deuteron mass
scruple (apothecary) [s.ap] to Earths mass
scruple (apothecary) [s.ap] to Suns mass