4 Carats to Grams
4 ct = 0.8 g
4 carats equals 0.8 grams.
How to convert 4 ct to g
Use the formula g = ct × 0.2:
g = 4 × 0.2g = 0.8
So 4 ct = 0.8 g.
Rounded values and quick estimate
- Rounded to a whole number: 1 g
- Rounded to one decimal place: 0.8 g
- Conversion factor: 1 carat = 0.2 grams
This conversion is exact, so there is no need to estimate: just multiply by 0.2.
4 Carats in other units
- Grams
- 0.8 g
- Kilograms
- 0.0008 kg
- Ounces
- 0.0282 oz
- Pounds
- 0.001764 lb
- Stone
- 0.000126 st
- Milligrams
- 800 mg
- Micrograms
- 800000 mcg
- Troy ounces
- 0.0257 ozt
- Tolas
- 0.0686 tola
- Grains
- 12.35 gr
4 ct and nearby values
About carats and grams
A metric carat is exactly 200 milligrams (0.2 g). It is the standard unit of weight for diamonds and gemstones.
A gram is one thousandth of a kilogram. It is the standard metric unit for food, ingredients and small weights.
Related conversions
Frequently asked questions
What is 4 Carats in Grams?
4 carats is 0.8 grams (4 ct = 0.8 g).
How do you convert 4 ct to g?
Apply g = ct × 0.2: g = 4 × 0.2, g = 0.8.
How many carats is 0.8 g?
0.8 g is about 4 carats.