Conversion from Carat (kt) to Gram (g) and vice versa

Updated on by Stefan Banse

Here you can convert the Unit of weight Carat into the unit Gram and vice versa you can convert Gram into Carat. By clicking the "Swap units" icon, you will always obtain the desired conversion in the calculation result, i.e., kt to g or g to kt. With the following calculator you can also calculate any other Unit of weight.

Info about Carat

The carat unit is primarily used for weighing gemstones. The carat belongs to the metric system and is derived from the basic unit kilogram. One carat is equivalent to 0.2 grams, and 1 carat is equivalent to 0.0002 kilograms.

According to the conversion into kilograms, the carat is defined in national systems of units and standards. It is a legal unit in the countries of the EU but does not belong to the International System of Units (SI).

Info about Gram

The unit gram belongs to the metric system and is derived from the basic unit kilogram. 1 kilogram is equivalent to 1 000 grams, and 1 gram is equivalent to 0.001 kilogram.

According to the conversion to kilogram, the gram is defined in national systems of units and standards.

Basis for conversion Carat (kt) to Gram (g)

The abbreviation for the Unit of weight Carat is kt. The abbreviation for the Unit of weight Gram is g.

Formula for the conversion of Carat (kt) to Gram (g)

The calculation from Carat to Gram shall be made using the following conversion formula:

 Conversion formula Carat to Gram 

Determine the number of Gram from Carat

Carat × 0.2


Formula for the conversion of Gram (g) to Carat (kt)

The calculation from Gram to Carat shall be made using the following conversion formula:

 Conversion formula Gram to Carat 

Determine the number of Carat from Gram

Gram × 5


Overview table: How many Carat are how many Gram?

Carat ktGram g
0.01 kt => 0.00200 g
0.02 kt => 0.00400 g
0.03 kt => 0.00600 g
0.04 kt => 0.00800 g
0.05 kt => 0.01000 g
0.06 kt => 0.01200 g
0.07 kt => 0.01400 g
0.08 kt => 0.01600 g
0.09 kt => 0.01800 g
0.10 kt => 0.02000 g
0.20 kt => 0.04000 g
0.30 kt => 0.06000 g
0.40 kt => 0.08000 g
0.50 kt => 0.10000 g
0.60 kt => 0.12000 g
0.70 kt => 0.14000 g
0.80 kt => 0.16000 g
0.90 kt => 0.18000 g
1 kt => 0.20000 g
2 kt => 0.40000 g
3 kt => 0.60000 g
4 kt => 0.80000 g
5 kt => 1 g
6 kt => 1.20000 g
7 kt => 1.40000 g
8 kt => 1.60000 g
9 kt => 1.80000 g
10 kt => 2 g
20 kt => 4 g
30 kt => 6 g
40 kt => 8 g
50 kt => 10 g
60 kt => 12 g
70 kt => 14 g
80 kt => 16 g
90 kt => 18 g
100 kt => 20 g
200 kt => 40 g
300 kt => 60 g
400 kt => 80 g
500 kt => 100 g
600 kt => 120 g
700 kt => 140 g
800 kt => 160 g
900 kt => 180 g
1 000 kt => 200 g

Overview table: How many Gram are how many Carat?

Gram gCarat kt
0.01 g => 0.05000 kt
0.02 g => 0.10000 kt
0.03 g => 0.15000 kt
0.04 g => 0.20000 kt
0.05 g => 0.25000 kt
0.06 g => 0.30000 kt
0.07 g => 0.35000 kt
0.08 g => 0.40000 kt
0.09 g => 0.45000 kt
0.10 g => 0.50000 kt
0.20 g => 1 kt
0.30 g => 1.50000 kt
0.40 g => 2 kt
0.50 g => 2.50000 kt
0.60 g => 3 kt
0.70 g => 3.50000 kt
0.80 g => 4 kt
0.90 g => 4.50000 kt
1 g => 5 kt
2 g => 10 kt
3 g => 15 kt
4 g => 20 kt
5 g => 25 kt
6 g => 30 kt
7 g => 35 kt
8 g => 40 kt
9 g => 45 kt
10 g => 50 kt
20 g => 100 kt
30 g => 150 kt
40 g => 200 kt
50 g => 250 kt
60 g => 300 kt
70 g => 350 kt
80 g => 400 kt
90 g => 450 kt
100 g => 500 kt
200 g => 1 000 kt
300 g => 1 500 kt
400 g => 2 000 kt
500 g => 2 500 kt
600 g => 3 000 kt
700 g => 3 500 kt
800 g => 4 000 kt
900 g => 4 500 kt
1 000 g => 5 000 kt

Source information

As source for the information in the "Units of weight" category, we have used in particular:

Last update on June 25, 2020

The last changes in the "Units of weight" category were implemented by Stefan Banse on June 25, 2020. The main changes were:

  • Publication of the Weight converter
  • Editorial revision of all texts in this category