Carats to grams
Type a value in ct to get it in g instantly.
20g
That's 20× as heavy as a paperclip, while an egg is 3× heavier. On the Moon the same mass would weigh only 3.322 g.
What it means
How heavy is that?
Reference weights are typical values. Strictly these are masses; on Earth the two are used interchangeably.
The math
How to convert ct to g
To convert carats to grams, multiply by 0.2.
Example: 100 ct × 0.2 = 20 g.
In the other direction, 1 g = 5 ct.
Every unit
Your weight in every unit
Tables
ct to g conversion table
| ct | g |
|---|---|
| 1 ct | 0.2 g |
| 2 ct | 0.4 g |
| 3 ct | 0.6 g |
| 5 ct | 1 g |
| 10 ct | 2 g |
| 15 ct | 3 g |
| 20 ct | 4 g |
| 25 ct | 5 g |
| 30 ct | 6 g |
| 50 ct | 10 g |
| 60 ct | 12 g |
| 70 ct | 14 g |
| 80 ct | 16 g |
| 90 ct | 18 g |
| 100 ct | 20 g |
| 200 ct | 40 g |
| 500 ct | 100 g |
| 1,000 ct | 200 g |
g to ct conversion table
| g | ct |
|---|---|
| 1 g | 5 ct |
| 2 g | 10 ct |
| 3 g | 15 ct |
| 5 g | 25 ct |
| 10 g | 50 ct |
| 15 g | 75 ct |
| 20 g | 100 ct |
| 25 g | 125 ct |
| 30 g | 150 ct |
| 50 g | 250 ct |
| 60 g | 300 ct |
| 70 g | 350 ct |
| 80 g | 400 ct |
| 90 g | 450 ct |
| 100 g | 500 ct |
| 200 g | 1,000 ct |
| 500 g | 2,500 ct |
| 1,000 g | 5,000 ct |
Quick answers
Quick answers
- How many g is 1 ct?
- 1 ct is 0.2 g.
- How many g is 10 ct?
- 10 ct is 2 g.
- How many g is 100 ct?
- 100 ct is 20 g.
The units
About these units
Carats (ct)
A metric carat is exactly 200 mg and is used only for gemstones. It has nothing to do with the karat that measures gold purity.
Grams (g)
A gram is a thousandth of a kilogram, about the mass of a paperclip. Recipes and nutrition labels outside the US use grams.
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