kg to Carats Converter

How to convert kilograms to carats

Formulact = kg × 5,000

Multiply the value in kilograms by 5,000. To go the other way, multiply by 0.0002 (or divide by 5,000).

A kilogram is larger than a carat: one kilogram contains 5,000 carats.

Worked examples

1 kilogram1 kg × 5,000 = 5,000 ct
5 kilograms5 kg × 5,000 = 25,000 ct
10 kilograms10 kg × 5,000 = 50,000 ct
20 kilograms20 kg × 5,000 = 100,000 ct
100 kilograms100 kg × 5,000 = 500,000 ct

Kilograms to carats conversion table

Values are calculated by the conversion engine and rounded to 8 significant figures.

Kilograms to carats: 0.1–10 kg
Kilograms (kg)	Carats (ct)
0.1 kg	500 ct
0.25 kg	1,250 ct
0.5 kg	2,500 ct
1 kg	5,000 ct
2 kg	10,000 ct
3 kg	15,000 ct
4 kg	20,000 ct
5 kg	25,000 ct
6 kg	30,000 ct
7 kg	35,000 ct
8 kg	40,000 ct
9 kg	45,000 ct
10 kg	50,000 ct

Kilograms to carats: 12–1,000 kg
Kilograms (kg)	Carats (ct)
12 kg	60,000 ct
15 kg	75,000 ct
20 kg	100,000 ct
25 kg	125,000 ct
30 kg	150,000 ct
40 kg	200,000 ct
50 kg	250,000 ct
75 kg	375,000 ct
100 kg	500,000 ct
250 kg	1,250,000 ct
500 kg	2,500,000 ct
1,000 kg	5,000,000 ct

About the units

Kilogram (kg)

The SI base unit of mass, defined since 2019 through the Planck constant. A litre of water has a mass of almost exactly 1 kg.

Carat (ct)

The metric carat is exactly 200 mg and is used to weigh gemstones. (Karat, a gold-purity scale, is a different thing.) One carat equals 0.0002 kilograms (kg).

Frequently asked questions

How many carats are in one kilogram?

There are 5,000 carats in one kilogram, and this value is exact by definition.

How do I convert kilograms to carats?

Multiply the number of kilograms by 5,000. For example, 10 kg × 5,000 = 50,000 ct.

How many kilograms are in one carat?

One carat equals 0.0002 kilograms. That is the reverse factor, 1 ÷ 5,000.

What is 10 kilograms in carats?

10 kg = 50,000 ct.

Is this kg to ct converter accurate?

Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.