Carats to Kilograms Converter

Enter a weight in carats and instantly get the equivalent in kilograms (1 ct = 0.0002 kg).

Weight in Carats

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Converted Weight

Enter carats on the left to see results

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Summary

Enter a weight in carats and instantly get the equivalent in kilograms (1 ct = 0.0002 kg).

How it works

  1. Enter the weight in carats in the input field.
  2. The tool multiplies your value by 0.0002 to get kilograms.
  3. Results are displayed in kilograms, grams, and milligrams simultaneously.
  4. Use the Copy button to copy any result to your clipboard.
  5. Clear the input to reset all fields.

Use cases

  • Converting diamond or gemstone weights for customs and import declarations.
  • Expressing gemstone carat weight in SI units for scientific or laboratory records.
  • Jewelry appraisers converting total stone weight to kilograms for shipping labels.
  • Students and educators verifying unit conversion in chemistry or physics.
  • Gemologists preparing certificates that require metric weight values.
  • Traders comparing gemstone lots quoted in carats with bulk weights in kilograms.

Frequently Asked Questions

Last updated: 2026-06-09 · Reviewed by Nham Vu