Gram To Carat Conversion Chart

Gram (g) Carat (ct)
0.01 g0.05 ct
0.1 g0.5 ct
1 g5 ct
2 g10 ct
5 g25 ct
10 g50 ct
20 g100 ct
50 g250 ct
100 g500 ct
500 g2500 ct
1000 g5000 ct

Convert from gram to carat formula

Total carat = Total gram x 5

For example, if you want to convert 500 Gram to Carat then,

500 g = 500 x 5 = 2500 ct

Convert from carat to gram formula

Total gram =
Total carat
2500 ct
= 500 g


Gram (g), also spelled gramme, unit of mass or weight that is used especially in the centimetre-gram-second system of measurement. One gram is equal to 0.001 kg. The official International System of Units abbreviation is g, but gm has also been used.


The carat (ct) is a unit of mass equal to 200 mg, and is used for measuring gemstones and pearls, sometimes known as the metric carat. In terms of diamonds, a paragon is a flawless stone of at least 100 carats.