⚖️ Centigrams to Carats Converter

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1 centigram =
0.05 carats
1 carat =
20 centigrams
Formula
ct = cg × 0.05
Handy values
5 cg = 0.25 ct · 10 cg = 0.5 ct · 100 cg = 5 ct

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⚡ Centigrams to Carats: the quick answer

1 cg = 0.05 ct 1 centigram equals 0.05 carats

To convert centigrams to carats, multiply the value by 0.05. To go the other way, multiply carats by 20 to get centigrams.

↔ Convert carats to centigrams instead

🧮 Formula

Centigrams to Carats
ct = cg × 0.05
Carats to Centigrams
cg = ct × 20

Where

  • cg = the weight in centigrams
  • ct = the weight in carats
Every unit here is defined by its weight in kilograms, so the conversion factor is (kilograms per centigram) ÷ (kilograms per carat).

📊 Centigrams to Carats conversion table

Centigrams (cg)Carats (ct)
1 cg0.05 ct
2 cg0.1 ct
3 cg0.15 ct
4 cg0.2 ct
5 cg0.25 ct
6 cg0.3 ct
7 cg0.35 ct
8 cg0.4 ct
9 cg0.45 ct
10 cg0.5 ct
12 cg0.6 ct
14 cg0.7 ct
15 cg0.75 ct
20 cg1 ct
21 cg1.05 ct
24 cg1.2 ct
25 cg1.25 ct
30 cg1.5 ct
40 cg2 ct
50 cg2.5 ct
60 cg3 ct
75 cg3.75 ct
80 cg4 ct
100 cg5 ct
200 cg10 ct
250 cg12.5 ct
300 cg15 ct
400 cg20 ct
500 cg25 ct
750 cg37.5 ct
1,000 cg50 ct

📘 About these units

Centigram (cg). A centigram is one hundredth of a gram.

Carat (ct). The metric carat is 200 milligrams, the unit for diamonds and gemstones.

❓ Frequently asked questions

How many carats are in one centigram?

There are 0.05 carats in one centigram.

How do I convert centigrams to carats?

Multiply the number of centigrams by 0.05. For example, 10 centigrams equal 0.5 carats.

How many centigrams are in one carat?

One carat equals 20 centigrams.

How many carats is 12 centigrams?

0.6 carats. Other common values: 5 centigrams = 0.25 carats and 100 centigrams = 5 carats.

What people are saying
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Anonymous · 22 Oct 2026