ganak.appGrams 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 × 5Example: Convert 1 g to ct
1 g = 5 ctTo 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 g | 5 ct |
| 2 g | 10 ct |
| 5 g | 25 ct |
| 10 g | 50 ct |
| 25 g | 125 ct |
| 50 g | 250 ct |
| 100 g | 500 ct |
| 250 g | 1,250 ct |
| 500 g | 2,500 ct |
| 1,000 g | 5,000 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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Last updated Mar 21, 2026