Carats to Grains Converter
Convert carats (ct) to grains (gr)
Result
3.086471671 gr
Grains
1 ct = 3.086471671 gr
1 ct in other units
- 1Enter a valueType the number to convert
- 2Pick the unitsChoose what to convert from and to
- 3Read the resultSee it in every other unit too
How to convert carats to grains
One carat equals 3.086472 grains, so multiply the number of carats by 3.086472.
gr = ct × 3.086472
1 ct = 3.086472 gr · 1 gr = 0.3239945 ct
Worked example
To convert 5 carats to grains: 5 ct × 3.086472 = 15.43236 gr.
About carats (ct)
A carat is exactly 200 mg, used to weigh diamonds and gemstones. (Gold purity “karat” is a different thing.)
About grains (gr)
A grain is exactly 64.79891 mg, used for bullets, arrows and some medicines.
More conversions
Carats to other units
Frequently asked questions
How many grains are in one carat?
One carat equals 3.086472 grains.
How many carats are in one grain?
One grain equals 0.3239945 carats.
How do I convert carats to grains?
Use the formula gr = ct × 3.086472. For example, 5 ct × 3.086472 = 15.43236 gr.