Convert Carats to Kilograms

Enter the weight in carats below to get the value converted to kilograms.

SWAP UNITS
Results in Kilograms:
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1 ct = 0.0002 kg
Do you want to convert kilograms to carats?

How to Convert Carats to Kilograms

Scales are used to measure weight

To convert a carat measurement to a kilogram measurement, multiply the weight by the conversion ratio. One carat is equal to 0.0002 kilograms, so use this simple formula to convert:

kilograms = carats × 0.0002

The weight in kilograms is equal to the carats multiplied by 0.0002.

For example, here's how to convert 5 carats to kilograms using the formula above.
5 ct = (5 × 0.0002) = 0.001 kg

Carats and kilograms are both units used to measure weight. Keep reading to learn more about each unit of measure.

Carats

The carat is a unit of mass/weight equal to 200 milligrams.

A carat is sometimes also referred to as a metric carat. Carats can be abbreviated as ct, and are also sometimes abbreviated as CD. For example, 1 carat can be written as 1 ct or 1 CD.

Kilograms

One kilogram is equal to the mass of the platinum-iridium bar which is stored in Sèvres, France. It is roughly equal to the mass of 1,000 cubic centimeters of water.

The kilogram, or kilogramme, is the SI base unit for weight, and is also a multiple of the gram. In the metric system, "kilo" is the prefix for 103. Kilograms can be abbreviated as kg, for example 1 kilogram can be written as 1 kg.

Carat Measurements and Equivalent Kilogram Conversions

Common carat values converted to the equivalent kilogram value
Carats Kilograms
1 ct 0.0002 kg
2 ct 0.0004 kg
3 ct 0.0006 kg
4 ct 0.0008 kg
5 ct 0.001 kg
6 ct 0.0012 kg
7 ct 0.0014 kg
8 ct 0.0016 kg
9 ct 0.0018 kg
10 ct 0.002 kg
11 ct 0.0022 kg
12 ct 0.0024 kg
13 ct 0.0026 kg
14 ct 0.0028 kg
15 ct 0.003 kg
16 ct 0.0032 kg
17 ct 0.0034 kg
18 ct 0.0036 kg
19 ct 0.0038 kg
20 ct 0.004 kg
21 ct 0.0042 kg
22 ct 0.0044 kg
23 ct 0.0046 kg
24 ct 0.0048 kg
25 ct 0.005 kg
26 ct 0.0052 kg
27 ct 0.0054 kg
28 ct 0.0056 kg
29 ct 0.0058 kg
30 ct 0.006 kg
31 ct 0.0062 kg
32 ct 0.0064 kg
33 ct 0.0066 kg
34 ct 0.0068 kg
35 ct 0.007 kg
36 ct 0.0072 kg
37 ct 0.0074 kg
38 ct 0.0076 kg
39 ct 0.0078 kg
40 ct 0.008 kg

More Carat Weight Conversions

US Customary & Imperial Units
Convert to Tons
1 ct is equal to 2.2046E-7 tons
Convert to Pounds
1 ct is equal to 0.000441 pounds
Convert to Ounces
1 ct is equal to 0.007055 ounces
SI Units
Convert to Metric Tons
1 ct is equal to 2.0E-7 metric tons
Convert to Grams
1 ct is equal to 0.2 grams
Convert to Milligrams
1 ct is equal to 200 milligrams
Other Units
Convert to Long Tons
1 ct is equal to 1.9684E-7 long tons