Carat (ct)
Exactly 200 milligrams, used for gemstones.
Result
1 carat = 0.2 grams
Carat at a glance
| Unit name | Carat (plural: carats) |
|---|---|
| Symbol | ct |
| Quantity measured | Weight & Mass |
| Measurement system | Metric |
| Also known as | ct, carats, metric carat |
| Definition exact? | Yes — exact by definition |
1 carat in other weight & mass units
| Unit | 1 ct equals |
|---|---|
| Microgram | 200,000 µg |
| Milligram | 200 mg |
| Gram | 0.2 g |
| Kilogram | 0.0002 kg |
| Metric ton | 0.0000002 t |
| Ounce | 0.007054792 oz |
| Pound | 0.000440925 lb |
| Stone | 0.000031495 st |
| US short ton | 0.00000022 ton |
| Imperial long ton | 0.000000197 long ton |
| Grain | 3.08647167 gr |
| Dram | 0.112876678 dr |
| Troy ounce | 0.006430149 ozt |
| US hundredweight | 0.000004409 cwt |
| Imperial hundredweight | 0.000003937 long cwt |
Frequently asked questions
- What is a carat?
- Exactly 200 milligrams, used for gemstones.
- What is the symbol for the carat?
- The symbol for the carat is ct. It measures weight & mass.
- How many grams are in a carat?
- 1 carat = 0.2 grams.
- How many kilograms are in a carat?
- 1 carat = 0.0002 kilograms.
- How many metric tons are in a carat?
- 1 carat = 0.0000002 metric tons.