How do I convert grams back to carats?

Use the reverse converter: 1 gram equals 5 ct.

Is this converter accurate?

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert carats to grams, multiply the value by 0.2.

g = ct × 0.2

90 ct × 0.2 = 18 g

Carat (ct): Used to weigh gemstones worldwide. A metric carat is exactly 200 milligrams, standardised in 1907.
Gram (g): Common for food, recipes and small items in metric countries. One thousandth of a kilogram.

How do I convert carats to grams?: To convert carats to grams, multiply the value by 0.2.
How many grams are in 1 carat?: 1 carat equals 0.2 g.
How many grams are in 10 carats?: 10 ct equals 2 g.
How do I convert grams back to carats?: Use the reverse converter: 1 gram equals 5 ct.
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.