Convert 20 ct to kg

How to convert carats to kilograms

1. Formula: kilograms = carats × 0.0002
2. Put in the value: 20 carats.
3. Result: 0.004 kilograms.

Carats to kilograms table

Converting the other way: kilograms to carats

carats = kilograms × 5,000. So 0.004 kilograms is back to 20 carats; one kilogram is 5,000 carats. See the kilograms to carats table.

Quick estimate in your head

For a rough answer, multiply by about 0.0002: 20 × 0.0002 ≈ 0.004 kg, against the exact 0.004 kg (0.0% out). Good enough to check that a calculated result is sensible.

Common mistakes

The usual slip is using the factor the wrong way round. A carat is smaller than a kilogram, so the number of kilograms must come out smaller than the number of carats. If your answer goes the other way, divide instead of multiplying.

About the units

Carat (ct) and kilogram (kg) are both units of mass. One carat equals 0.0002 kilograms, and one kilogram equals 5,000 carats. Results on this page are rounded for display; the conversion itself uses the exact definitions.

Mass conversions come up in cooking and baking, shipping and luggage limits, body weight, medicine doses and buying food by weight.

20 carats in other units

The most readable unit for this amount is grams (4).

• 4,000 mg
• 4 g
• 0.004 kg
• 0.000004 t
• 0.14109585 oz
• 0.00881849 lb
• 0.00062989 st
• 0.00000441 ton

How this answer was calculated

The result is worked out from the numbers in this page's address when the page is opened, using exact arithmetic wherever possible and rounding only for display. Nothing is copied from a printed table. If you think an answer is wrong, please tell us through the contact page and we will check it.

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