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Carat to Gram

Convert carat to gram instantly. Type in either field — results update live.

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Weight & Mass Carat Gram

1 carat = 0.2 grams

Unit
Unit
Format

Conversion table

Selected ct values converted to g using the exact factor from this tool.

ct g
0.01 0.002
0.1 0.02
1 0.2
2 0.4
3 0.6
5 1
10 2
20 4
50 10
100 20
1,000 200

How to convert

Exact conversion factors in both directions, plus a worked example.

1 ct = 0.2 g

1 g = 5 ct

To convert carat to gram, multiply by 0.2.

To convert gram to carat, multiply by 5.

Example: convert 15 ct to g

15 × 0.2 = 3 g

About these units

Short background on the units used in this conversion.

Gram (g)

A gram is one thousandth of a kilogram — the everyday metric unit for small masses and recipe ingredients.

Grams appear on nutrition labels, jewelry scales, laboratory balances, and European cooking measurements.

Frequently asked questions

How many grams are in one carat?
One carat equals 0.2 grams. Multiply your carats value by 0.2 to convert to grams.
What is the conversion formula?
g = ct × 0.2

The reverse is ct = g × 5, using the same exact factors as this converter.
Is this Carat to Gram converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.

All carat conversions

Jump to any weight & mass conversion starting from carat — including the reverse direction and every other unit in our dataset.