Grams to Carats Converter

Convert grams to carats instantly. Free gram to carat converter with quick reference table and formula. 1 gram = 5 carats. Used for gemstones and diamonds.

5
Carat (ct)
Input Value
1 g (Gram)
1/1000 of a kilogram. Common for food, cooking, and small items.

How to Convert Gram to Carat

Simple formula with a worked example

To convert gram (g) to carat (ct), use this formula:

carats = g × 5

Example: Convert 1 g to ct

1 g = 5 ct

To convert back, use: g = carats × 0.2

Gram to Carat Conversion Table

Quick reference for common gram to carat conversions

Gram (g)Carat (ct)
1 g5 ct
2 g10 ct
5 g25 ct
10 g50 ct
25 g125 ct
50 g250 ct
100 g500 ct
250 g1,250 ct
500 g2,500 ct
1,000 g5,000 ct

About Gram and Carat

Understanding these weight units

Gram (g)

1/1000 of a kilogram. Common for food, cooking, and small items.

Carat (ct)

Carat = 0.2 g. International standard for diamonds and gems.

When You Need This Conversion

  • gemstone grading
  • jewelry appraisal
  • gem purchasing
  • diamond certification

Frequently Asked Questions

Common questions about converting gram to carat

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