Carats to Kilograms Converter
Enter a weight in carats and instantly get the equivalent in kilograms (1 ct = 0.0002 kg).
Weight in Carats
Quick presets
Converted Weight
Enter carats on the left to see results
Kilograms (kg)
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Grams (g)
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Milligrams (mg)
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Formula: kg = carats × 0.0002 • 1 ct = 200 mg exactly
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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
- Enter the weight in carats in the input field.
- The tool multiplies your value by 0.0002 to get kilograms.
- Results are displayed in kilograms, grams, and milligrams simultaneously.
- Use the Copy button to copy any result to your clipboard.
- 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