At One Place

Carats to kilograms

1 carat in kilograms
1 ct = 0.0002 kg
kg = ct × 0.0002

To convert carats to kilograms, multiply by 0.0002. The table below gives the values people look up most often, and the converter works for any number.

Carats to kilograms table

Common carat values converted to kilograms.
Carats Kilograms
1 ct 0.0002
2 ct 0.0004
3 ct 0.0006
4 ct 0.0008
5 ct 0.001
10 ct 0.002
15 ct 0.003
20 ct 0.004
25 ct 0.005
30 ct 0.006
40 ct 0.008
50 ct 0.01
75 ct 0.015
100 ct 0.02
250 ct 0.05
500 ct 0.1
1,000 ct 0.2

How the conversion works

The relationship is kg = ct × 0.0002. Both units measure mass, so the conversion is a fixed factor that never changes.

Common questions

How many kilograms are in one carat?
One carat equals 0.0002 kilograms. kg = ct × 0.0002.
How do you convert carats to kilograms?
Use kg = ct × 0.0002. So 10 ct is 0.002 kg.
How many carats are in one kilogram?
One kilogram equals 5,000 carats, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked