Question 1

What is a scruple?

Accepted Answer

A scruple is 1.296 grams = 20 grains. Part of the apothecary system: 3 scruples = 1 dram, 24 scruples = 1 ounce.

Question 2

Is a scruple the same as a gram?

Accepted Answer

Close but not exact: 1 scruple = 1.296 grams. The term "scrupulous" comes from careful measurement of small weights.

Question 3

Is there a difference between mass and weight?

Accepted Answer

Yes! Mass (kg) is amount of matter, constant everywhere. Weight (newtons or pounds-force) is gravitational force on mass, varies by location.

Question 4

Why do jewelry and precious metals use different units?

Accepted Answer

Troy system (troy ounces, pennyweights) has been used for precious metals since the Middle Ages. 1 troy oz = 31.1g vs 1 regular oz = 28.35g.

Scruple to Grams Weight Converter - Free Online Tool

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