Question 1

What is a ratti?

Accepted Answer

A ratti is an Indian weight unit = 121.5 mg. Traditional: weight of one gunja seed. 8 rattis = 1 masha.

Question 2

Where is the ratti used?

Accepted Answer

Indian gold and gemstone trade. Very small quantities of precious materials are measured in rattis. 1 ratti ≈ 0.12 grams.

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.

Ratti to Milligrams Weight Converter - Free Online Tool

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