⚖️ Decigrams to Carats Converter

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1 decigram =
0.5 carats
1 carat =
2 decigrams
Formula
ct = dg × 0.5
Handy values
5 dg = 2.5 ct · 10 dg = 5 ct · 100 dg = 50 ct

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⚡ Decigrams to Carats: the quick answer

1 dg = 0.5 ct 1 decigram equals 0.5 carats

To convert decigrams to carats, multiply the value by 0.5. To go the other way, multiply carats by 2 to get decigrams.

↔ Convert carats to decigrams instead

🧮 Formula

Decigrams to Carats
ct = dg × 0.5
Carats to Decigrams
dg = ct × 2

Where

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

📊 Decigrams to Carats conversion table

Decigrams (dg)Carats (ct)
1 dg0.5 ct
2 dg1 ct
3 dg1.5 ct
4 dg2 ct
5 dg2.5 ct
6 dg3 ct
7 dg3.5 ct
8 dg4 ct
9 dg4.5 ct
10 dg5 ct
12 dg6 ct
14 dg7 ct
15 dg7.5 ct
20 dg10 ct
21 dg10.5 ct
24 dg12 ct
25 dg12.5 ct
30 dg15 ct
40 dg20 ct
50 dg25 ct
60 dg30 ct
75 dg37.5 ct
80 dg40 ct
100 dg50 ct
200 dg100 ct
250 dg125 ct
300 dg150 ct
400 dg200 ct
500 dg250 ct
750 dg375 ct
1,000 dg500 ct

📘 About these units

Decigram (dg). A decigram is one tenth 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 decigram?

There are 0.5 carats in one decigram.

How do I convert decigrams to carats?

Multiply the number of decigrams by 0.5. For example, 10 decigrams equal 5 carats.

How many decigrams are in one carat?

One carat equals 2 decigrams.

How many carats is 12 decigrams?

6 carats. Other common values: 5 decigrams = 2.5 carats and 100 decigrams = 50 carats.

What people are saying
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Anonymous · 22 Oct 2026