Weight & Mass
Carat to Gram Converter
Convert Carat to Gram with the exact formula, a worked example and a quick conversion table.
Smart input
β
Quick values:
Conversion formula
The exact formula applied:
β
Conversion formula
g = ct Γ· 5
ct = g Γ 5
Worked example
50 ct = 10 g
g = ct Γ· 5
Mass is measured in kilograms; a metric tonne is 1000 kg, and the US short ton differs from the UK long ton.
Quick conversion table
| Carat (ct) | Gram (g) |
|---|---|
| 1 | 0.2 |
| 2 | 0.4 |
| 5 | 1 |
| 10 | 2 |
| 25 | 5 |
| 50 | 10 |
| 100 | 20 |
| 250 | 50 |
| 500 | 100 |
| 1,000 | 200 |
Reverse conversion table
| Gram (g) | Carat (ct) |
|---|---|
| 1 | 5 |
| 2 | 10 |
| 5 | 25 |
| 10 | 50 |
| 25 | 125 |
| 50 | 250 |
| 100 | 500 |
| 250 | 1,250 |
| 500 | 2,500 |
| 1,000 | 5,000 |
About the two units
ctCarat
A carat of 0.2 grams, used for gemstones.
1 ct = 0.0002 kg
Non-SI Unit Weight & Mass
gGram
One thousandth of a kilogram.
1 g = 0.001 kg
SI Derived Unit Weight & Mass
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